{"id":113,"date":"2026-09-16T18:39:45","date_gmt":"2026-09-16T10:39:45","guid":{"rendered":"https:\/\/www.oldhamburger.cn\/?p=113"},"modified":"2026-09-16T18:39:45","modified_gmt":"2026-09-16T10:39:45","slug":"transformer-core-winding-flux-density-guide","status":"publish","type":"post","link":"https:\/\/www.oldhamburger.cn\/index.php\/2026\/09\/16\/transformer-core-winding-flux-density-guide\/","title":{"rendered":"\u53d8\u538b\u5668\u4ece\u96f6\u5230\u4e00\uff1a\u521d\u5b66\u8005\u4e5f\u80fd\u770b\u61c2\u7684\u78c1\u82af\u3001\u531d\u6570\u3001\u7ebf\u5f84\u3001\u78c1\u901a\u5bc6\u5ea6\u4e0e\u8ba1\u7b97\u8be6\u89e3"},"content":{"rendered":"<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-01-cover.png'><img class=\"lazyload lazyload-style-1\" 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T\u201d\u7a76\u7adf\u8868\u793a\u4ec0\u4e48\uff1f\u76f8\u540c\u5916\u5f62\u7684\u53d8\u538b\u5668\uff0c\u4e3a\u4ec0\u4e48\u4e00\u4e2a\u53ea\u80fd\u4f20\u51e0\u5341\u74e6\uff0c\u53e6\u4e00\u4e2a\u80fd\u4f20\u51e0\u767e\u74e6\uff1f<\/p>\n<p>\u8fd9\u4e9b\u95ee\u9898\u5e76\u4e0d\u9700\u8981\u4e00\u5f00\u59cb\u5c31\u7528\u5f88\u590d\u6742\u7684\u6570\u5b66\u89e3\u51b3\u3002\u5148\u5efa\u7acb\u4e00\u4e2a\u6e05\u695a\u7684\u8ba4\u8bc6\uff1a<strong>\u53d8\u538b\u5668\u501f\u52a9\u53d8\u5316\u7684\u78c1\u573a\uff0c\u5728\u4e0d\u540c\u7ed5\u7ec4\u4e4b\u95f4\u4f20\u9012\u7535\u80fd\u3002\u78c1\u82af\u8d1f\u8d23\u5e2e\u52a9\u78c1\u573a\u5f62\u6210\u5408\u9002\u7684\u8def\u5f84\uff0c\u531d\u6570\u51b3\u5b9a\u6bcf\u531d\u5206\u62c5\u591a\u5c11\u7535\u538b\uff0c\u5bfc\u7ebf\u8d1f\u8d23\u627f\u53d7\u7535\u6d41\uff0c\u800c\u6563\u70ed\u4e0e\u7edd\u7f18\u51b3\u5b9a\u5b83\u80fd\u5426\u957f\u671f\u53ef\u9760\u5de5\u4f5c\u3002<\/strong><\/p>\n<p>\u672c\u6587\u6309\u201c\u5148\u770b\u61c2\uff0c\u518d\u4f1a\u7b97\uff0c\u6700\u540e\u77e5\u9053\u600e\u6837\u9a8c\u8bc1\u201d\u7684\u987a\u5e8f\u5c55\u5f00\u3002\u7b2c\u4e00\u6b21\u9605\u8bfb\uff0c\u53ef\u4ee5\u5148\u770b\u7b2c\u4e00\u81f3\u516b\u7ae0\uff0c\u518d\u770b\u7b2c\u5341\u7ae0\u548c\u4e09\u4e2a\u7b97\u4f8b\uff1b\u9ad8\u9891\u635f\u8017\u3001\u6f0f\u611f\u548c\u6d4b\u8bd5\u90e8\u5206\u53ef\u4ee5\u5728\u7b2c\u4e8c\u904d\u9605\u8bfb\u65f6\u8865\u4e0a\u3002\u6587\u4e2d\u7684\u56fe\u4e3a\u539f\u521b\u6559\u5b66\u793a\u610f\uff0c\u66f2\u7ebf\u6ce8\u660e\u4e86\u7406\u60f3\u5316\u6761\u4ef6\uff0c\u4e0d\u4ee3\u8868\u67d0\u4e2a\u5177\u4f53\u4ea7\u54c1\u7684\u5b9e\u6d4b\u7ed3\u679c\u3002<\/p>\n<p>\u672c\u6587\u6d89\u53ca\u4e24\u7c7b\u7528\u9014\u4e0d\u540c\u7684\u5668\u4ef6\uff1a\u4e00\u7c7b\u662f\u5728\u5bfc\u901a\u671f\u95f4\u76f4\u63a5\u4f20\u80fd\u7684\u5e38\u89c4\u53d8\u538b\u5668\uff0c\u53e6\u4e00\u7c7b\u662f\u7ecf\u5e38\u88ab\u79f0\u4f5c\u201c\u53cd\u6fc0\u53d8\u538b\u5668\u201d\u7684\u50a8\u80fd\u578b\u8026\u5408\u7535\u611f\u3002\u4e24\u8005\u4f1a\u4f7f\u7528\u76f8\u4f3c\u7684\u78c1\u82af\u548c\u9aa8\u67b6\uff0c\u4f46\u4e0d\u80fd\u5171\u7528\u4e00\u5957\u672a\u7ecf\u533a\u5206\u7684\u8bbe\u8ba1\u516c\u5f0f\u3002<\/p>\n<blockquote>\n<p>\u5b9e\u9a8c\u8303\u56f4\uff1a\u5165\u95e8\u7ec3\u4e60\u5efa\u8bae\u4f7f\u7528\u6709\u9694\u79bb\u3001\u6709\u9650\u6d41\u7684\u4f4e\u538b\u7535\u6e90\u3002\u6587\u4e2d\u7ed9\u51fa\u7684\u662f\u8bbe\u8ba1\u65b9\u6cd5\u548c\u4f4e\u538b\u6559\u5b66\u521d\u7b97\uff0c\u4e0d\u662f\u7ecf\u8fc7\u5b89\u89c4\u8ba4\u8bc1\u7684\u5e02\u7535\u53d8\u538b\u5668\u751f\u4ea7\u56fe\u7eb8\uff1b\u5b9e\u9645\u4ea7\u54c1\u8fd8\u9700\u8981\u6750\u6599\u6570\u636e\u3001\u7edd\u7f18\u7ed3\u6784\u3001\u70ed\u6d4b\u8bd5\u4e0e\u6545\u969c\u6d4b\u8bd5\u3002<\/p>\n<\/blockquote>\n<div class=\"toc\">\n<ul>\n<li><a href=\"#_1\">\u4e00\u3001\u5148\u770b\u5b9e\u7269\uff1a\u4e00\u4e2a\u53d8\u538b\u5668\u7531\u4ec0\u4e48\u7ec4\u6210<\/a><\/li>\n<li><a href=\"#_2\">\u4e8c\u3001\u7535\u5b66\u57fa\u7840\u8865\u9f50\uff1a\u7535\u538b\u3001\u7535\u6d41\u3001\u529f\u7387\u4e0e\u6709\u6548\u503c<\/a><\/li>\n<li><a href=\"#_3\">\u4e09\u3001\u78c1\u5b66\u8bcd\u6c47\u7ffb\u8bd1\uff1a\u78c1\u901a\u3001\u78c1\u5bc6\u3001\u78c1\u573a\u5f3a\u5ea6\u3001\u78c1\u5bfc\u7387<\/a><\/li>\n<li><a href=\"#b-h\">\u56db\u3001\u78c1\u82af\u4e3a\u4ec0\u4e48\u4f1a\u9971\u548c\uff1a\u5148\u770b\u61c2 B-H \u66f2\u7ebf<\/a><\/li>\n<li><a href=\"#_4\">\u4e94\u3001\u6700\u91cd\u8981\u7684\u516c\u5f0f\uff1a\u7535\u538b\u3001\u531d\u6570\u3001\u9762\u79ef\u548c\u78c1\u5bc6\u600e\u6837\u5173\u8054<\/a><\/li>\n<li><a href=\"#_5\">\u516d\u3001\u4e09\u4e2a\u531d\u6570\u516c\u5f0f\uff0c\u770b\u6e05\u5b83\u4eec\u5404\u81ea\u9002\u7528\u4e8e\u4ec0\u4e48<\/a><\/li>\n<li><a href=\"#_6\">\u4e03\u3001\u78c1\u82af\u600e\u6837\u9009\uff1a\u6750\u8d28\u3001\u5f62\u72b6\u4e0e\u6709\u6548\u53c2\u6570<\/a><\/li>\n<li><a href=\"#_7\">\u516b\u3001\u52b1\u78c1\u7535\u611f\u3001\u6f0f\u611f\u4e0e\u6c14\u9699\uff1a\u4e09\u8005\u4e0d\u8981\u6df7\u4e3a\u4e00\u8c08<\/a><\/li>\n<li><a href=\"#_8\">\u4e5d\u3001\u531d\u6bd4\u3001\u7535\u6d41\u6bd4\u548c\u53cd\u5c04\u963b\u6297\uff1a\u5148\u7406\u60f3\uff0c\u540e\u4fee\u6b63<\/a><\/li>\n<li><a href=\"#_9\">\u5341\u3001\u7ed5\u7ebf\u7c97\u7ec6\u600e\u6837\u9009\uff1a\u4ece\u7535\u6d41\u5230\u94dc\u622a\u9762\u79ef<\/a><\/li>\n<li><a href=\"#_10\">\u5341\u4e00\u3001\u9ad8\u9891\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u53ea\u9760\u52a0\u7c97\u94dc\u7ebf<\/a><\/li>\n<li><a href=\"#_11\">\u5341\u4e8c\u3001\u7ed5\u5f97\u4e0b\u5417\uff1a\u7a97\u53e3\u3001\u586b\u5145\u7387\u4e0e\u5b9e\u9645\u6392\u7ebf<\/a><\/li>\n<li><a href=\"#_12\">\u5341\u4e09\u3001\u635f\u8017\u4e0e\u6e29\u5347\uff1a\u53d8\u538b\u5668\u4e3a\u4ec0\u4e48\u4f1a\u70ed<\/a><\/li>\n<li><a href=\"#50-hz\">\u5341\u56db\u3001\u5b8c\u6574\u7b97\u4f8b\u4e00\uff1a\u4f4e\u538b 50 Hz \u53d8\u538b\u5668\u7684\u531d\u6570\u4e0e\u7ebf\u5f84<\/a><\/li>\n<li><a href=\"#24-v100-khz\">\u5341\u4e94\u3001\u5b8c\u6574\u7b97\u4f8b\u4e8c\uff1a24 V\u3001100 kHz \u53cc\u6781\u6027\u5168\u6865\u53d8\u538b\u5668<\/a><\/li>\n<li><a href=\"#24-v-12-v12-w-dcm\">\u5341\u516d\u3001\u5b8c\u6574\u7b97\u4f8b\u4e09\uff1a24 V \u8f6c 12 V\u300112 W \u7684 DCM \u53cd\u6fc0\u78c1\u4ef6<\/a><\/li>\n<li><a href=\"#ccmdcm\">\u5341\u4e03\u3001CCM\u3001DCM \u4e0e\u4e34\u754c\u6a21\u5f0f\uff1a\u53cd\u6fc0\u516c\u5f0f\u522b\u8de8\u6a21\u5f0f\u4e71\u7528<\/a><\/li>\n<li><a href=\"#_13\">\u5341\u516b\u3001\u540c\u540d\u7aef\u548c\u7ed5\u5411\uff1a\u70b9\u6807\u8bb0\u5230\u5e95\u8868\u793a\u4ec0\u4e48<\/a><\/li>\n<li><a href=\"#_14\">\u5341\u4e5d\u3001\u7edd\u7f18\u4e0e\u7ed3\u6784\uff1a\u80fd\u9694\u5f00\u76f4\u6d41\uff0c\u4e0d\u7b49\u4e8e\u6ee1\u8db3\u5b89\u5168\u9694\u79bb<\/a><\/li>\n<li><a href=\"#_15\">\u4e8c\u5341\u3001\u62ff\u5230\u6837\u54c1\u600e\u6837\u6d4b\uff1a\u628a\u8ba1\u7b97\u53d8\u6210\u8bc1\u636e<\/a><\/li>\n<li><a href=\"#_16\">\u4e8c\u5341\u4e00\u3001\u5e38\u89c1\u6545\u969c\uff1a\u4ece\u73b0\u8c61\u8ffd\u67e5\u539f\u56e0<\/a><\/li>\n<li><a href=\"#_17\">\u4e8c\u5341\u4e8c\u3001\u8bbe\u8ba1\u987a\u5e8f\uff1a\u4ece\u9700\u6c42\u8868\u5230\u53ef\u5236\u9020\u7684\u78c1\u4ef6<\/a><\/li>\n<li><a href=\"#_18\">\u4e8c\u5341\u4e09\u3001\u521d\u5b66\u8005\u6700\u5e38\u95ee\u7684\u5341\u4e94\u4e2a\u95ee\u9898<\/a><\/li>\n<li><a href=\"#_19\">\u4e8c\u5341\u56db\u3001\u516c\u5f0f\u901f\u67e5\uff1a\u6bcf\u6761\u90fd\u9644\u4f7f\u7528\u6761\u4ef6<\/a><\/li>\n<li><a href=\"#_20\">\u4e8c\u5341\u4e94\u3001\u7ec3\u4e60\uff1a\u81ea\u5df1\u7b97\u4e00\u904d\uff0c\u68c0\u67e5\u662f\u5426\u771f\u6b63\u7406\u89e3<\/a><\/li>\n<li><a href=\"#_25\">\u4e8c\u5341\u516d\u3001\u8bbe\u8ba1\u8bb0\u5f55\u6a21\u677f\uff1a\u907f\u514d\u4e0b\u6b21\u4ece\u5934\u731c<\/a><\/li>\n<li><a href=\"#_26\">\u4e8c\u5341\u4e03\u3001\u8fdb\u4e00\u6b65\u9605\u8bfb\u4e0e\u8d44\u6599\u4f7f\u7528\u8bf4\u660e<\/a><\/li>\n<\/ul>\n<\/div>\n<h2 id=\"_1\">\u4e00\u3001\u5148\u770b\u5b9e\u7269\uff1a\u4e00\u4e2a\u53d8\u538b\u5668\u7531\u4ec0\u4e48\u7ec4\u6210<\/h2>\n<h3 id=\"11\">1.1 \u78c1\u82af\u3001\u9aa8\u67b6\u548c\u7ed5\u7ec4\u5404\u81ea\u505a\u4ec0\u4e48<\/h3>\n<p>\u4e00\u4e2a\u5e38\u89c1\u7684\u5c0f\u578b\u53d8\u538b\u5668\uff0c\u901a\u5e38\u5305\u542b\u4e0b\u9762\u51e0\u90e8\u5206\u3002<\/p>\n<div style=\"overflow-x:auto;margin:20px 0\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.94em\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u90e8\u4ef6<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u521d\u5b66\u8005\u53ef\u4ee5\u600e\u6837\u7406\u89e3<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u8bbe\u8ba1\u65f6\u8981\u5173\u6ce8\u4ec0\u4e48<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u78c1\u82af<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u8ba9\u5927\u90e8\u5206\u78c1\u901a\u6cbf\u9884\u5b9a\u8def\u5f84\u95ed\u5408\u7684\u6750\u6599<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6750\u8d28\u3001\u6709\u6548\u622a\u9762\u79ef\u3001\u635f\u8017\u3001\u9971\u548c\u3001\u6c14\u9699<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u521d\u7ea7\u7ed5\u7ec4<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u4e0e\u8f93\u5165\u7535\u6e90\u6216\u5f00\u5173\u7535\u8def\u76f8\u8fde\u7684\u4e00\u7ec4\u7ebf\u5708<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u531d\u6570\u3001\u627f\u53d7\u7535\u538b\u3001\u6709\u6548\u503c\u7535\u6d41\u3001\u7edd\u7f18<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6b21\u7ea7\u7ed5\u7ec4<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u4e0e\u8f93\u51fa\u6574\u6d41\u7535\u8def\u6216\u8d1f\u8f7d\u76f8\u8fde\u7684\u4e00\u7ec4\u7ebf\u5708<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u531d\u6bd4\u3001\u7535\u6d41\u3001\u538b\u964d\u3001\u6e29\u5347<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u9aa8\u67b6<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u56fa\u5b9a\u7ed5\u7ec4\u5e76\u5e2e\u52a9\u5206\u9694\u5bfc\u7ebf\u4e0e\u78c1\u82af\u7684\u652f\u67b6<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7ed5\u7ebf\u5bbd\u5ea6\u3001\u69fd\u6df1\u3001\u5f15\u811a\u3001\u7edd\u7f18\u6750\u6599<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5c42\u95f4\u53ca\u7ed5\u7ec4\u95f4\u7edd\u7f18<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u9632\u6b62\u4e0d\u8be5\u8fde\u901a\u7684\u4f4d\u7f6e\u51fb\u7a7f<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6750\u6599\u3001\u539a\u5ea6\u3001\u8986\u76d6\u3001\u722c\u7535\u8def\u5f84\u3001\u5de5\u827a<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u80f6\u5e26\u3001\u6d78\u6f06\u3001\u80f6\u548c\u56fa\u5b9a\u4ef6<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u56fa\u5b9a\u7ed3\u6784\u3001\u51cf\u5c11\u632f\u52a8\u3001\u6539\u5584\u5236\u9020\u4e00\u81f4\u6027<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u8010\u6e29\u3001\u56fa\u5316\u3001\u6563\u70ed\u5f71\u54cd\u3001\u662f\u5426\u5f62\u6210\u95ed\u5408\u91d1\u5c5e\u73af<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u201c\u521d\u7ea7\u201d\u548c\u201c\u6b21\u7ea7\u201d\u63cf\u8ff0\u7684\u662f\u5728\u5f53\u524d\u5e94\u7528\u4e2d\u7684\u89d2\u8272\uff0c\u4e0d\u7b49\u4e8e\u201c\u9ad8\u538b\u201d\u548c\u201c\u4f4e\u538b\u201d\u3002\u5347\u538b\u53d8\u538b\u5668\u7684\u521d\u7ea7\u53ef\u80fd\u662f\u4f4e\u538b\u4fa7\uff1b\u6709\u4e9b\u5668\u4ef6\u4e5f\u80fd\u5728\u5408\u9002\u6761\u4ef6\u4e0b\u53cd\u5411\u4f7f\u7528\uff0c\u4f46\u989d\u5b9a\u7535\u538b\u3001\u7edd\u7f18\u3001\u52b1\u78c1\u53ca\u6e29\u5347\u90fd\u5fc5\u987b\u91cd\u65b0\u68c0\u67e5\u3002<\/p>\n<p>\u4e00\u6839\u5bfc\u7ebf\u7ed5\u78c1\u8def\u4e00\u5708\uff0c\u79f0\u4e3a\u4e00\u531d\u3002\u73af\u5f62\u78c1\u82af\u4e0a\uff0c\u5bfc\u7ebf\u7a7f\u8fc7\u4e2d\u5fc3\u5b54\u4e00\u6b21\uff0c\u901a\u5e38\u5bf9\u5e94\u4e00\u531d\uff1b\u5bf9\u4e8e\u7ed5\u5728\u4e2d\u67f1\u9aa8\u67b6\u4e0a\u7684\u7ed5\u7ec4\uff0c\u7ed5\u4e2d\u67f1\u5b8c\u6574\u4e00\u5468\u662f\u4e00\u531d\u3002<strong>\u7ebf\u6750\u7531\u591a\u5c11\u6839\u7ec6\u4e1d\u7ec4\u6210\uff0c\u4e0e\u531d\u6570\u4e0d\u662f\u4e00\u56de\u4e8b\u3002<\/strong>\u5341\u6839\u7ec6\u4e1d\u5e76\u5728\u4e00\u8d77\u540c\u65f6\u7ed5\u4e94\u5708\uff0c\u662f\u4e94\u531d\u3001\u5341\u80a1\u5e76\u7ed5\uff0c\u4e0d\u80fd\u5f53\u6210\u4e94\u5341\u531d\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-02-anatomy.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"display:block;max-width:100%;height:auto;margin:26px auto\" loading=\"lazy\" alt=\"\u78c1\u82af\u6709\u6548\u622a\u9762\u79ef\u3001\u7a97\u53e3\u548c\u7ed5\u7ec4\u4f4d\u7f6e\u7684\u6559\u5b66\u5256\u9762\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-02-anatomy.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<h3 id=\"12\">1.2 \u7535\u80fd\u4e0d\u662f\u6cbf\u78c1\u82af\u201c\u5bfc\u7535\u201d\u8fc7\u53bb\u7684<\/h3>\n<p>\u5728\u9694\u79bb\u5f0f\u53d8\u538b\u5668\u4e2d\uff0c\u521d\u7ea7\u4e0e\u6b21\u7ea7\u6ca1\u6709\u6b63\u5e38\u7684\u76f4\u6d41\u5bfc\u901a\u8def\u5f84\u3002\u521d\u7ea7\u65bd\u52a0\u53d8\u5316\u7684\u7535\u538b\uff0c\u5f62\u6210\u53d8\u5316\u7684\u78c1\u901a\uff1b\u540c\u4e00\u78c1\u901a\u7a7f\u8fc7\u6b21\u7ea7\u7ed5\u7ec4\uff0c\u6b21\u7ea7\u5c31\u4ea7\u751f\u611f\u5e94\u7535\u538b\u3002\u63a5\u4e0a\u8d1f\u8f7d\u540e\uff0c\u8f93\u5165\u7aef\u63d0\u4f9b\u76f8\u5e94\u529f\u7387\u3002<\/p>\n<p>\u78c1\u82af\u53ef\u4ee5\u7c7b\u6bd4\u6210\u5e2e\u52a9\u78c1\u901a\u201c\u8d70\u8def\u201d\u7684\u8def\u5f84\uff0c\u4f46\u78c1\u901a\u5e76\u4e0d\u662f\u4e00\u79cd\u5728\u7ba1\u9053\u91cc\u6d41\u52a8\u7684\u7269\u8d28\u3002\u8fd9\u4e00\u7c7b\u6bd4\u53ef\u4ee5\u5e2e\u52a9\u8ba4\u8bc6\u78c1\u8def\uff0c\u4e0d\u80fd\u7528\u6765\u63a8\u65ad\u80fd\u91cf\u65e0\u635f\u3001\u78c1\u82af\u5b8c\u5168\u6ca1\u6709\u6f0f\u78c1\uff0c\u6216\u201c\u78c1\u901a\u88ab\u6b21\u7ea7\u6d88\u8017\u6389\u201d\u3002<\/p>\n<p>\u7a7a\u6c14\u4e5f\u80fd\u652f\u6301\u78c1\u573a\uff0c\u6240\u4ee5\u7a7a\u5fc3\u53d8\u538b\u5668\u5e76\u975e\u4e0d\u5b58\u5728\u3002\u53ea\u662f\u5bf9\u4e8e\u8bb8\u591a\u7535\u6e90\u5e94\u7528\uff0c\u4f7f\u7528\u5408\u9002\u78c1\u82af\u80fd\u4ee5\u8f83\u5c11\u531d\u6570\u83b7\u5f97\u8f83\u5927\u7684\u52b1\u78c1\u7535\u611f\uff0c\u5e76\u6539\u5584\u78c1\u8026\u5408\u3002<\/p>\n<h3 id=\"13\">1.3 \u4e3a\u4ec0\u4e48\u666e\u901a\u53d8\u538b\u5668\u4e0d\u80fd\u76f4\u63a5\u63a5\u6052\u5b9a\u76f4\u6d41<\/h3>\n<p>\u53d8\u538b\u5668\u9700\u8981\u7684\u662f\u53d8\u5316\u7684\u78c1\u901a\uff0c\u800c\u4e0d\u662f\u201c\u7ebf\u5708\u4e24\u7aef\u6c38\u8fdc\u4e0d\u80fd\u51fa\u73b0\u76f4\u6d41\u7535\u538b\u201d\u3002\u5f00\u5173\u7535\u6e90\u6b63\u662f\u628a\u76f4\u6d41\u5207\u6210\u6b63\u8d1f\u6216\u901a\u65ad\u8109\u51b2\uff0c\u518d\u914d\u5408\u590d\u4f4d\u8fc7\u7a0b\u9a71\u52a8\u78c1\u4ef6\u3002<\/p>\n<p>\u5982\u679c\u628a\u4e00\u8282\u7535\u6c60\u76f4\u63a5\u957f\u671f\u63a5\u5728\u7ebf\u5708\u4e24\u7aef\uff0c\u901a\u7535\u6700\u521d\u7535\u6d41\u4f1a\u9010\u6e10\u4e0a\u5347\uff0c\u78c1\u901a\u968f\u4e4b\u6539\u53d8\uff1b\u968f\u540e\u78c1\u82af\u53ef\u80fd\u8fdb\u5165\u9971\u548c\uff0c\u7ed5\u7ec4\u5bf9\u7535\u6d41\u53d8\u5316\u7684\u9650\u5236\u663e\u8457\u51cf\u5f31\uff0c\u7535\u6d41\u4e3b\u8981\u53d7\u94dc\u7ebf\u7535\u963b\u548c\u7535\u6e90\u5185\u963b\u9650\u5236\u3002\u7ed3\u679c\u53ef\u80fd\u662f\u7ebf\u5708\u53d1\u70ed\u3001\u7535\u6e90\u9650\u6d41\uff0c\u751a\u81f3\u5f00\u5173\u635f\u574f\u3002\u6b21\u7ea7\u4e0d\u4f1a\u56e0\u6b64\u6301\u7eed\u8f93\u51fa\u7a33\u5b9a\u7684\u76f4\u6d41\u7535\u538b\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u4e0d\u80fd\u7528\u201c\u62ff\u76f4\u6d41\u7535\u6e90\u63a5\u4e0a\u8bd5\u8bd5\u201d\u6765\u5224\u65ad\u666e\u901a\u53d8\u538b\u5668\u662f\u5426\u5de5\u4f5c\u6b63\u5e38\u3002\u7528\u4e8e\u5f00\u5173\u7535\u6e90\u7684\u78c1\u4ef6\u4e5f\u5fc5\u987b\u6709\u4e0e\u4e4b\u5339\u914d\u7684\u9a71\u52a8\u3001\u590d\u4f4d\u3001\u9650\u6d41\u548c\u6574\u6d41\u7535\u8def\u3002<\/p>\n<h2 id=\"_2\">\u4e8c\u3001\u7535\u5b66\u57fa\u7840\u8865\u9f50\uff1a\u7535\u538b\u3001\u7535\u6d41\u3001\u529f\u7387\u4e0e\u6709\u6548\u503c<\/h2>\n<h3 id=\"21\">2.1 \u7535\u538b\u51b3\u5b9a\u63a8\u52a8\uff0c\u7535\u6d41\u51b3\u5b9a\u5b9e\u9645\u901a\u8fc7\u591a\u5c11<\/h3>\n<p>\u7535\u538b\u7684\u5355\u4f4d\u662f\u4f0f\u7279 V\uff0c\u7535\u6d41\u7684\u5355\u4f4d\u662f\u5b89\u57f9 A\u3002\u76f4\u6d41\u60c5\u51b5\u4e0b\uff0c\u7535\u529f\u7387\u6700\u719f\u6089\u7684\u516c\u5f0f\u662f\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>P = V \u00d7 I<\/strong><\/p>\n<p>\u4f8b\u5982 12 V \u8f93\u51fa 2 A\uff0c\u8f93\u51fa\u529f\u7387\u662f 24 W\u3002\u82e5\u53d8\u538b\u5668\u548c\u5468\u56f4\u7535\u8def\u6709\u635f\u8017\uff0c\u8f93\u5165\u529f\u7387\u5c31\u5fc5\u987b\u5927\u4e8e 24 W\u3002<\/p>\n<p>\u4ea4\u6d41\u6216\u8109\u51b2\u60c5\u51b5\u4e0b\uff0c\u7535\u538b\u4e0e\u7535\u6d41\u968f\u65f6\u95f4\u53d8\u5316\uff0c\u771f\u6b63\u7684\u5e73\u5747\u529f\u7387\u5e94\u5199\u6210\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>P = (1\/T) \u222b\u2080\u1d40 v(t)i(t) dt<\/strong><\/p>\n<p>\u8fd9\u91cc T \u662f\u89c2\u5bdf\u5468\u671f\uff0cv(t) \u548c i(t) \u662f\u6bcf\u4e2a\u77ac\u95f4\u7684\u7535\u538b\u3001\u7535\u6d41\u3002\u521d\u5b66\u8005\u6682\u65f6\u4e0d\u5fc5\u719f\u7ec3\u8ba1\u7b97\u79ef\u5206\uff0c\u53ea\u8981\u8bb0\u4f4f\uff1a\u6bcf\u4e2a\u77ac\u95f4\u7684\u529f\u7387\u76f8\u4e58\u540e\uff0c\u518d\u5bf9\u6574\u4e2a\u5468\u671f\u6c42\u5e73\u5747\u3002<\/p>\n<h3 id=\"22\">2.2 \u4e3a\u4ec0\u4e48\u53d1\u70ed\u8981\u770b\u6709\u6548\u503c\uff0c\u800c\u4e0d\u662f\u5e73\u5747\u503c<\/h3>\n<p>\u94dc\u7ebf\u7684\u57fa\u672c\u7535\u963b\u635f\u8017\u4e0e\u7535\u6d41\u5e73\u65b9\u6709\u5173\u3002\u4e00\u4e2a\u8109\u51b2\u7535\u6d41\uff0c\u5373\u4f7f\u5e73\u5747\u503c\u5f88\u5c0f\uff0c\u5cf0\u503c\u8f83\u9ad8\u65f6\u4ecd\u7136\u53ef\u80fd\u8ba9\u7ebf\u5708\u660e\u663e\u53d1\u70ed\u3002<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>I<sub>rms<\/sub> = \u221a[(1\/T) \u222b\u2080\u1d40 i\u00b2(t) dt]<\/strong><\/p>\n<p>rms \u5c31\u662f\u201c\u5747\u65b9\u6839\u201d\uff0c\u4e2d\u6587\u901a\u5e38\u53eb\u6709\u6548\u503c\u3002\u5b83\u56de\u7b54\u7684\u95ee\u9898\u662f\uff1a\u8fd9\u4e2a\u6ce2\u5f62\u5728\u540c\u4e00\u4e2a\u6052\u5b9a\u7535\u963b\u4e0a\u4ea7\u751f\u7684\u5e73\u5747\u70ed\u91cf\uff0c\u7b49\u6548\u4e8e\u591a\u5927\u7684\u76f4\u6d41\u7535\u6d41\u3002<\/p>\n<div style=\"overflow-x:auto;margin:20px 0\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.94em\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u7535\u6d41\u6ce2\u5f62\uff0c\u6309\u5b8c\u6574\u5468\u671f\u8ba1\u7b97<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u6709\u6548\u503c<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u4f7f\u7528\u524d\u63d0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6052\u5b9a\u76f4\u6d41 I<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">I<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5168\u5468\u671f\u90fd\u5b58\u5728<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6b63\u5f26\u7535\u6d41\uff0c\u5cf0\u503c Ipk<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Ipk \/ \u221a2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u65e0\u76f4\u6d41\u504f\u7f6e\u7684\u6b63\u5f26\u6ce2<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5e45\u5ea6 Ipk\u3001\u5360\u7a7a\u6bd4 D \u7684\u77e9\u5f62\u8109\u51b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Ipk\u221aD<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5176\u4f59\u65f6\u95f4\u4e3a\u96f6<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u4ece\u96f6\u5347\u5230 Ipk\u3001\u6301\u7eed DT \u7684\u7ebf\u6027\u4e09\u89d2\u8109\u51b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Ipk\u221a(D\/3)<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5176\u4f59\u65f6\u95f4\u4e3a\u96f6<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u4ece Imin \u5347\u5230 Imax\u3001\u6301\u7eed DT \u7684\u7ebf\u6027\u68af\u5f62\u8109\u51b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u221a[D(Imin\u00b2+IminImax+Imax\u00b2)\/3]<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5176\u4f59\u65f6\u95f4\u4e3a\u96f6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u4e3e\u4e2a\u53cd\u76f4\u89c9\u7684\u4f8b\u5b50\uff1a4 A \u7684\u77e9\u5f62\u8109\u51b2\u53ea\u6301\u7eed\u56db\u5206\u4e4b\u4e00\u4e2a\u5468\u671f\uff0c\u5e73\u5747\u7535\u6d41\u662f 1 A\uff0c\u4f46\u6709\u6548\u503c\u662f 4\u00d7\u221a0.25=2 A\u3002\u82e5\u6309 1 A \u9009\u62e9\u94dc\u7ebf\uff0c\u57fa\u7840\u94dc\u635f\u5c31\u4f1a\u4f4e\u4f30\u5230\u5b9e\u9645\u7684\u56db\u5206\u4e4b\u4e00\u3002<\/p>\n<p>\u7535\u6d41\u662f\u5426\u4e3a\u6b63\u8d1f\u4ea4\u66ff\uff0c\u4e0d\u6539\u53d8\u5e73\u65b9\u5e26\u6765\u7684\u70ed\u6548\u5e94\u3002\u53cc\u6781\u6027\u77e9\u5f62\u7535\u6d41\u7684\u5e73\u5747\u503c\u53ef\u80fd\u4e3a\u96f6\uff0c\u7ebf\u5708\u5374\u7167\u6837\u53d1\u70ed\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-07-rms.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"display:block;max-width:100%;height:auto;margin:26px auto\" loading=\"lazy\" alt=\"\u5e73\u5747\u503c\u76f8\u540c\u6216\u76f8\u8fd1\u65f6\uff0c\u8109\u51b2\u7535\u6d41\u6709\u6548\u503c\u4e0e\u53d1\u70ed\u4ecd\u53ef\u80fd\u4e0d\u540c\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-07-rms.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<h3 id=\"23-w-va\">2.3 W \u548c VA \u4e3a\u4ec0\u4e48\u4e0d\u603b\u662f\u76f8\u540c<\/h3>\n<p>\u4ea4\u6d41\u53d8\u538b\u5668\u94ed\u724c\u5e38\u6807 VA\uff0c\u79f0\u4e3a\u89c6\u5728\u529f\u7387\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>S = V<sub>rms<\/sub>I<sub>rms<\/sub><\/strong><\/p>\n<p>\u771f\u5b9e\u5e73\u5747\u529f\u7387 P \u4e0e S \u7684\u6bd4\u503c\u79f0\u4e3a\u529f\u7387\u56e0\u6570\u3002\u5bf9\u4e8e\u975e\u6b63\u5f26\u8d1f\u8f7d\uff0c\u4e0d\u80fd\u4ec5\u7528\u4e00\u4e2a\u7535\u538b\u4e0e\u7535\u6d41\u7684\u76f8\u4f4d\u89d2\u89e3\u91ca\u5168\u90e8\u5dee\u5f02\u3002\u6574\u6d41\u6865\u540e\u63a5\u5927\u7535\u5bb9\u65f6\uff0c\u6b21\u7ea7\u53ef\u80fd\u53ea\u5728\u6ce2\u5cf0\u9644\u8fd1\u8865\u5145\u7535\u8377\uff0c\u7535\u6d41\u5cf0\u503c\u548c\u6709\u6548\u503c\u90fd\u4e0e\u5e73\u6ed1\u76f4\u6d41\u8d1f\u8f7d\u4e0d\u540c\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u201c12 V\u30012 A \u7684\u4ea4\u6d41\u7ed5\u7ec4\u201d\u4e0d\u5e94\u76f4\u63a5\u7406\u89e3\u4e3a\u201c\u6865\u5f0f\u6574\u6d41\u52a0\u5927\u7535\u5bb9\u540e\u4e00\u5b9a\u53ef\u4ee5\u957f\u671f\u8f93\u51fa 2 A \u76f4\u6d41\u201d\u3002\u9700\u8981\u91cd\u65b0\u7b97\u7ed5\u7ec4\u6709\u6548\u503c\u7535\u6d41\u3001\u6574\u6d41\u5668\u548c\u7535\u5bb9\u7eb9\u6ce2\u7535\u6d41\uff0c\u4ee5\u53ca\u6ee1\u8f7d\u6e29\u5347\u3002<\/p>\n<h2 id=\"_3\">\u4e09\u3001\u78c1\u5b66\u8bcd\u6c47\u7ffb\u8bd1\uff1a\u78c1\u901a\u3001\u78c1\u5bc6\u3001\u78c1\u573a\u5f3a\u5ea6\u3001\u78c1\u5bfc\u7387<\/h2>\n<h3 id=\"31\">3.1 \u78c1\u901a \u03a6\uff1a\u7a7f\u8fc7\u4e00\u4e2a\u622a\u9762\u7684\u78c1\u573a\u603b\u91cf<\/h3>\n<p>\u78c1\u901a\u7528\u5e0c\u814a\u5b57\u6bcd \u03a6 \u8868\u793a\uff0c\u5355\u4f4d\u662f\u97e6\u4f2f Wb\u3002\u5bf9\u5165\u95e8\u8ba1\u7b97\uff0c\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u4e3a\u7a7f\u8fc7\u78c1\u82af\u622a\u9762\u7684\u78c1\u573a\u603b\u91cf\u3002<\/p>\n<h3 id=\"32-b\">3.2 \u78c1\u901a\u5bc6\u5ea6 B\uff1a\u5355\u4f4d\u9762\u79ef\u4e0a\u6709\u591a\u5c11\u78c1\u901a<\/h3>\n<p>\u78c1\u901a\u5bc6\u5ea6\u901a\u5e38\u7b80\u79f0\u78c1\u5bc6\uff0c\u5355\u4f4d\u662f\u7279\u65af\u62c9 T\u3002\u5982\u679c\u622a\u9762\u4e0a\u7684\u78c1\u573a\u8fd1\u4f3c\u5747\u5300\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>B = \u03a6 \/ A<sub>e<\/sub>\uff1b\u56e0\u6b64 \u03a6 = B A<sub>e<\/sub><\/strong><\/p>\n<p>A<sub>e<\/sub> \u662f\u6709\u6548\u78c1\u82af\u622a\u9762\u79ef\u3002\u60f3\u8c61\u76f8\u540c\u6d41\u91cf\u901a\u8fc7\u5bbd\u8def\u4e0e\u7a84\u8def\uff0c\u7a84\u8def\u7684\u201c\u5bc6\u5ea6\u201d\u66f4\u9ad8\u3002\u76f8\u540c\u78c1\u901a\u901a\u8fc7\u66f4\u5c0f\u622a\u9762\uff0cB \u66f4\u5927\uff0c\u66f4\u5bb9\u6613\u63a5\u8fd1\u6750\u6599\u9650\u5236\u3002<\/p>\n<p>\u4f8b\uff1aA<sub>e<\/sub>=100 mm\u00b2=100\u00d710\u207b\u2076 m\u00b2\uff0cB=0.20 T\uff0c\u5219\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u03a6 = 0.20 \u00d7 100\u00d710\u207b\u2076 = 20\u00d710\u207b\u2076 Wb = 20 \u03bcWb<\/strong><\/p>\n<p>\u8fd9\u91cc\u6700\u5bb9\u6613\u72af\u9519\u7684\u662f\u9762\u79ef\u6362\u7b97\u30021 mm\u00b2=10\u207b\u2076 m\u00b2\uff0c\u4e0d\u662f 10\u207b\u00b3 m\u00b2\uff1b1 cm\u00b2=10\u207b\u2074 m\u00b2\u3002\u957f\u5ea6\u4e58\u4e00\u5343\uff0c\u9762\u79ef\u8981\u4e58\u4e00\u767e\u4e07\u3002<\/p>\n<h3 id=\"33-h\">3.3 \u78c1\u573a\u5f3a\u5ea6 H\uff1a\u7ed5\u7ec4\u63d0\u4f9b\u7684\u78c1\u5316\u4f5c\u7528<\/h3>\n<p>\u5bf9\u4e8e\u5747\u5300\u3001\u95ed\u5408\u4e14\u53ef\u4ee5\u8fd1\u4f3c\u5904\u7406\u7684\u78c1\u8def\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>H \u2248 NI \/ l<sub>e<\/sub><\/strong><\/p>\n<p>N \u662f\u531d\u6570\uff0cI \u662f\u5f62\u6210\u76f8\u5e94\u78c1\u5316\u4f5c\u7528\u7684\u7535\u6d41\uff0cl<sub>e<\/sub> \u662f\u6709\u6548\u78c1\u8def\u957f\u5ea6\uff0c\u5355\u4f4d m\u3002H \u7684\u5355\u4f4d\u662f A\/m\u3002NI \u53eb\u5b89\u531d\u6570\uff0c\u4f8b\u5982 20 \u531d\u6d41\u8fc7 0.5 A\uff0c\u5b89\u531d\u6570\u4e3a 10 A\u00b7\u531d\u3002<\/p>\n<p>\u8fd9\u6761\u7b80\u5316\u5f0f\u9002\u5408\u5e2e\u52a9\u7406\u89e3\u5355\u7ed5\u7ec4\u52b1\u78c1\uff1b\u5e26\u8d1f\u8f7d\u7684\u591a\u7ed5\u7ec4\u53d8\u538b\u5668\uff0c\u5e94\u8003\u8651\u5404\u7ed5\u7ec4\u5b89\u531d\u7684\u65b9\u5411\u548c\u76f8\u4e92\u62b5\u6d88\uff0c\u4e0d\u80fd\u628a\u521d\u7ea7\u603b\u7535\u6d41\u76f4\u63a5\u585e\u8fdb\u53bb\uff0c\u5ffd\u7565\u6b21\u7ea7\u7535\u6d41\u3002<\/p>\n<h3 id=\"34\">3.4 \u78c1\u5bfc\u7387 \u03bc\uff1a\u6750\u6599\u5bb9\u6613\u88ab\u78c1\u5316\u5230\u4ec0\u4e48\u7a0b\u5ea6<\/h3>\n<p>\u5728\u4e00\u5b9a\u8303\u56f4\u5185\u53ef\u4ee5\u8fd1\u4f3c\u5199\u6210\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>B \u2248 \u03bcH = \u03bc\u2080\u03bc<sub>r<\/sub>H<\/strong><\/p>\n<p>\u03bc\u2080\u22484\u03c0\u00d710\u207b\u2077 H\/m\uff0c\u662f\u771f\u7a7a\u78c1\u5bfc\u7387\uff1b\u03bc<sub>r<\/sub> \u662f\u76f8\u5bf9\u78c1\u5bfc\u7387\uff0c\u6ca1\u6709\u5355\u4f4d\u3002<\/p>\n<p>\u8fd9\u4e0d\u662f\u4e00\u6761\u53ef\u4ee5\u8d2f\u7a7f\u6240\u6709\u72b6\u6001\u7684\u76f4\u7ebf\u89c4\u5f8b\u3002\u771f\u5b9e\u6750\u6599\u7684\u78c1\u5bfc\u7387\u4f1a\u968f\u9891\u7387\u3001\u6e29\u5ea6\u3001\u78c1\u5316\u7a0b\u5ea6\u53ca\u504f\u7f6e\u53d8\u5316\u3002\u521d\u59cb\u78c1\u5bfc\u7387\u901a\u5e38\u6765\u81ea\u89c4\u5b9a\u6761\u4ef6\u4e0b\u7684\u5c0f\u4fe1\u53f7\u6d4b\u91cf\uff0c\u4e0d\u80fd\u636e\u6b64\u65e0\u9650\u5916\u63a8\u5927\u7535\u6d41\u5de5\u4f5c\u72b6\u6001\u3002<\/p>\n<p>\u7528\u4e00\u53e5\u8bdd\u533a\u5206\uff1aH \u504f\u5411\u63cf\u8ff0\u4f60\u65bd\u52a0\u4e86\u591a\u5f3a\u7684\u78c1\u5316\u4f5c\u7528\uff0cB \u504f\u5411\u63cf\u8ff0\u6750\u6599\u6700\u7ec8\u5f62\u6210\u4e86\u591a\u5927\u7684\u78c1\u901a\u5bc6\u5ea6\u3002<\/p>\n<h2 id=\"b-h\">\u56db\u3001\u78c1\u82af\u4e3a\u4ec0\u4e48\u4f1a\u9971\u548c\uff1a\u5148\u770b\u61c2 B-H \u66f2\u7ebf<\/h2>\n<h3 id=\"41\">4.1 \u9971\u548c\u4e0d\u662f\u7a81\u7136\u649e\u4e0a\u4e00\u5835\u5b8c\u7f8e\u7684\u5899<\/h3>\n<p>\u5c0f\u78c1\u5316\u4f5c\u7528\u4e0b\uff0c\u589e\u52a0 H \u5f80\u5f80\u80fd\u4f7f B \u660e\u663e\u589e\u52a0\u3002\u7ee7\u7eed\u63d0\u9ad8 H \u540e\uff0cB \u589e\u957f\u9010\u6e10\u53d8\u6162\uff1a\u9700\u8981\u4ed8\u51fa\u8d8a\u6765\u8d8a\u5927\u7684\u52b1\u78c1\u7535\u6d41\uff0c\u624d\u80fd\u6362\u6765\u8f83\u5c0f\u7684\u78c1\u901a\u589e\u91cf\u3002\u8fd9\u5c31\u662f\u63a5\u8fd1\u78c1\u9971\u548c\u65f6\u7684\u91cd\u8981\u8868\u73b0\u3002<\/p>\n<p>\u5bf9\u5f00\u5173\u7535\u8def\u6765\u8bf4\uff0c\u5371\u9669\u4e0d\u5728\u4e8e\u201cB \u4ece\u6b64\u5b8c\u5168\u4e0d\u52a8\u201d\uff0c\u800c\u5728\u4e8e\u6709\u6548\u589e\u91cf\u7535\u611f\u4e0b\u964d\uff0c\u7535\u6d41\u4e0a\u5347\u901f\u5ea6\u53ef\u80fd\u7a81\u7136\u53d8\u5feb\u3002\u793a\u6ce2\u5668\u4e0a\u53ef\u80fd\u770b\u5230\u539f\u672c\u8fd1\u4f3c\u7ebf\u6027\u7684\u7535\u6d41\u659c\u5761\u5728\u672b\u7aef\u5411\u4e0a\u5f2f\u6298\u3002<\/p>\n<p>\u4f46\u7535\u6d41\u5c16\u5cf0\u4e0d\u4e00\u5b9a\u90fd\u662f\u9971\u548c\uff0c\u5bc4\u751f\u7535\u5bb9\u5145\u653e\u7535\u3001\u4e8c\u6781\u7ba1\u6062\u590d\u548c\u6d4b\u91cf\u73af\u8def\u4e5f\u4f1a\u4ea7\u751f\u5c16\u5cf0\u3002\u5224\u65ad\u65f6\u5e94\u540c\u65f6\u89c2\u5bdf\u7535\u538b\u3001\u8109\u51b2\u5bbd\u5ea6\u3001\u8f93\u5165\u6761\u4ef6\u548c\u6e29\u5ea6\u3002<\/p>\n<h3 id=\"42\">4.2 \u78c1\u6ede\u3001\u5269\u78c1\u4e0e\u77eb\u987d\u529b<\/h3>\n<p>\u78c1\u82af\u5bf9\u8fc7\u53bb\u7684\u78c1\u5316\u8fc7\u7a0b\u6709\u201c\u8bb0\u5fc6\u201d\u3002\u5f53\u5916\u90e8\u78c1\u5316\u4f5c\u7528\u56de\u5230\u96f6\uff0c\u6750\u6599\u4e2d\u4ecd\u53ef\u80fd\u7559\u4e0b\u78c1\u901a\u5bc6\u5ea6\uff0c\u53eb\u5269\u78c1 B<sub>r<\/sub>\u3002\u8981\u4f7f\u78c1\u901a\u56de\u5230\u96f6\uff0c\u9700\u8981\u65bd\u52a0\u53cd\u65b9\u5411\u7684\u78c1\u5316\u4f5c\u7528\uff0c\u5bf9\u5e94\u7684\u91cf\u4e0e\u77eb\u987d\u529b\u6709\u5173\u3002<\/p>\n<p>\u968f\u78c1\u5316\u4f5c\u7528\u5f80\u8fd4\u53d8\u5316\uff0cB-H \u5173\u7cfb\u5f62\u6210\u56de\u7ebf\u3002\u56de\u7ebf\u9762\u79ef\u4e0e\u6bcf\u6b21\u78c1\u5316\u5faa\u73af\u6d88\u8017\u7684\u80fd\u91cf\u6709\u5173\u3002\u5b9e\u9645\u9ad8\u9891\u635f\u8017\u8fd8\u53d7\u5230\u6da1\u6d41\u548c\u5176\u4ed6\u52a8\u6001\u6548\u5e94\u5f71\u54cd\uff0c\u6240\u4ee5\u4e0d\u80fd\u53ea\u770b\u4e00\u5f20\u9759\u6001 B-H \u66f2\u7ebf\u5c31\u5b8c\u6210\u635f\u8017\u8bbe\u8ba1\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-03-bh.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"display:block;max-width:100%;height:auto;margin:26px auto\" loading=\"lazy\" alt=\"\u6559\u5b66B-H\u56de\u7ebf\u53ca\u6c14\u9699\u5bf9\u7b49\u6548\u78c1\u5316\u7279\u6027\u7684\u5f71\u54cd\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-03-bh.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<h3 id=\"43-bsatbpk-b\">4.3 Bsat\u3001Bpk \u548c \u0394B \u4e00\u5b9a\u5206\u5f00\u5199<\/h3>\n<div style=\"overflow-x:auto;margin:20px 0\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.94em\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u7b26\u53f7<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u542b\u4e49<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u5bb9\u6613\u72af\u7684\u9519<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Bsat \u6216 Bs<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6570\u636e\u624b\u518c\u89c4\u5b9a\u6761\u4ef6\u4e0b\u7684\u9971\u548c\u76f8\u5173\u78c1\u5bc6<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5f53\u6210\u4efb\u4f55\u6e29\u5ea6\u3001\u9891\u7387\u90fd\u53ef\u4ee5\u957f\u671f\u91c7\u7528\u7684\u5de5\u4f5c\u70b9<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Bpk<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u76f8\u5bf9\u4e8e\u96f6\u70b9\u7684\u78c1\u901a\u5bc6\u5ea6\u6700\u5927\u7edd\u5bf9\u503c\uff0c\u672c\u6587\u5982\u6b64\u5b9a\u4e49<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u4e0e\u5cf0\u5cf0\u503c\u6df7\u6dc6<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u0394B<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u4e00\u4e2a\u6307\u5b9a\u78c1\u5316\u9636\u6bb5\u7684\u78c1\u5bc6\u53d8\u5316\u91cf\uff1b\u5168\u6446\u5e45\u65f6\u662f Bmax\u2212Bmin<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u76f4\u63a5\u628a\u5b83\u5f53\u6210 Bpk<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Bbias<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6ce2\u5f62\u7684\u504f\u7f6e\u4e2d\u5fc3<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u53ea\u8ba1\u7b97\u4ea4\u6d41\u6446\u5e45\uff0c\u6f0f\u6389\u504f\u78c1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u4f8b\u5982\uff0cB \u5728 \u22120.15 T \u4e0e +0.15 T \u95f4\u5f80\u8fd4\uff0cBpk=0.15 T\uff0c\u5b8c\u6574\u6446\u5e45 \u0394B=0.30 T\u3002\u82e5 B \u5728 +0.05 T \u4e0e +0.20 T \u95f4\u53d8\u5316\uff0c\u0394B=0.15 T\uff0c\u4f46 Bpk=0.20 T\u3002\u4e24\u79cd\u60c5\u51b5\u4e0b\uff0c\u201c0.15 T\u201d\u4ee3\u8868\u7684\u4e1c\u897f\u4e0d\u540c\u3002<\/p>\n<h3 id=\"44\">4.4 \u4e3a\u4ec0\u4e48\u9ad8\u9891\u78c1\u82af\u8fdc\u6ca1\u9971\u548c\u4e5f\u53ef\u80fd\u5f88\u70eb<\/h3>\n<p>\u8bbe\u8ba1\u901a\u5e38\u8981\u540c\u65f6\u6ee1\u8db3\u4e24\u4e2a\u6761\u4ef6\uff1a\u5cf0\u503c\u78c1\u5bc6\u4e0d\u80fd\u8fdb\u5165\u4e0d\u53ef\u63a5\u53d7\u7684\u9971\u548c\u533a\u57df\uff1b\u6bcf\u79d2\u53cd\u590d\u78c1\u5316\u5e26\u6765\u7684\u635f\u8017\u4e0d\u80fd\u8ba9\u6e29\u5ea6\u8d85\u6807\u3002<\/p>\n<p>\u9891\u7387\u8d8a\u9ad8\uff0c\u540c\u6837\u78c1\u901a\u6446\u5e45\u53ef\u80fd\u4ea7\u751f\u66f4\u5927\u7684\u78c1\u82af\u635f\u8017\u3002\u4e8e\u662f\u9ad8\u9891\u53d8\u538b\u5668\u5f80\u5f80\u5148\u53d7\u635f\u8017\u7ea6\u675f\uff0c\u518d\u53d7\u9971\u548c\u7ea6\u675f\u3002\u201c\u6750\u6599\u53ef\u4ee5\u5230 0.4 T\uff0c\u56e0\u6b64 100 kHz \u5c31\u6309 0.4 T \u8bbe\u8ba1\u201d\u662f\u9519\u8bef\u7684\u63a8\u65ad\u3002<\/p>\n<p>\u4ee5 TDK N87 \u6570\u636e\u4e3a\u4f8b\uff0c\u8d44\u6599\u5728 H=1200 A\/m\u3001f=10 kHz \u7684\u89c4\u5b9a\u6761\u4ef6\u4e0b\u5217\u51fa 25 \u2103\u65f6 490 mT\u3001100 \u2103\u65f6 390 mT \u7684 Bs \u6570\u503c\u3002\u8fd9\u7ec4\u6570\u503c\u4e3b\u8981\u8bf4\u660e\uff1a<strong>\u6e29\u5ea6\u548c\u6d4b\u8bd5\u6761\u4ef6\u4e0d\u80fd\u4ece\u6750\u6599\u53c2\u6570\u4e2d\u5220\u6389\u3002<\/strong>\u5b83\u4e0d\u662f\u672c\u6587\u7b97\u4f8b\u5141\u8bb8\u91c7\u7528\u7684\u5de5\u4f5c\u78c1\u5bc6\u3002<a href=\"https:\/\/www.tdk-electronics.tdk.com\/download\/540216\/d6940b239127a8bab71b22168746021b\/pdf-n87.pdf\">TDK N87 \u6750\u6599\u8d44\u6599<\/a><\/p>\n<h2 id=\"_4\">\u4e94\u3001\u6700\u91cd\u8981\u7684\u516c\u5f0f\uff1a\u7535\u538b\u3001\u531d\u6570\u3001\u9762\u79ef\u548c\u78c1\u5bc6\u600e\u6837\u5173\u8054<\/h2>\n<h3 id=\"51\">5.1 \u4ece\u6cd5\u62c9\u7b2c\u5b9a\u5f8b\u51fa\u53d1\uff0c\u4e0d\u5148\u80cc\u7ecf\u9a8c\u7cfb\u6570<\/h3>\n<p>\u6309\u9009\u5b9a\u7ed5\u7ec4\u7535\u538b\u548c\u78c1\u901a\u7684\u53c2\u8003\u65b9\u5411\uff0c\u5ffd\u7565\u7ed5\u7ec4\u7535\u963b\u4e0e\u6f0f\u611f\u538b\u964d\uff0c\u53ef\u4ee5\u5199\u4e3a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>v(t) = N d\u03a6\/dt = N A<sub>e<\/sub> dB\/dt<\/strong><\/p>\n<p>\u5982\u679c\u8ba8\u8bba\u611f\u5e94\u7535\u52a8\u52bf\uff0c\u7b26\u53f7\u4e2d\u5e38\u5e26\u4f53\u73b0\u695e\u6b21\u5b9a\u5f8b\u7684\u8d1f\u53f7\uff1b\u672c\u6587\u4e3b\u8981\u8ba1\u7b97\u5e45\u5ea6\u5e76\u5728\u56fe\u4e2d\u89c4\u5b9a\u6b63\u8d1f\u65b9\u5411\uff0c\u907f\u514d\u56e0\u4e3a\u4e0d\u540c\u53c2\u8003\u65b9\u5411\u4ea7\u751f\u8bef\u89e3\u3002<\/p>\n<p>\u628a\u5f0f\u5b50\u6362\u6210\u5bb9\u6613\u7406\u89e3\u7684\u8bdd\uff1a<strong>\u540c\u6837\u4e00\u6bb5\u7535\u538b\u6301\u7eed\u5f97\u8d8a\u4e45\uff0c\u78c1\u901a\u5c31\u6539\u53d8\u5f97\u8d8a\u591a\uff1b\u531d\u6570\u8d8a\u591a\u3001\u78c1\u82af\u9762\u79ef\u8d8a\u5927\uff0c\u5355\u4f4d\u7535\u538b\u4ea7\u751f\u7684\u78c1\u5bc6\u53d8\u5316\u8d8a\u5c0f\u3002<\/strong><\/p>\n<p>\u5bf9\u4e00\u6bb5\u6052\u5b9a\u77e9\u5f62\u7535\u538b V\uff0c\u6301\u7eed\u65f6\u95f4 t\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u0394B = Vt \/ (NA<sub>e<\/sub>)<\/strong><\/p>\n<p>\u8981\u9650\u5236\u78c1\u5bc6\u53d8\u5316\uff0c\u6240\u9700\u531d\u6570\u81f3\u5c11\u4e3a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>N \u2265 Vt \/ (A<sub>e<\/sub>\u0394B<sub>allow<\/sub>)<\/strong><\/p>\n<p>V \u7528 V\uff0ct \u7528 s\uff0cA<sub>e<\/sub> \u7528 m\u00b2\uff0c\u7b97\u51fa\u7684 B \u5c31\u662f T\u3002\u4e3a\u4e86\u65b9\u4fbf\u624b\u7b97\uff0c\u4e5f\u53ef\u91c7\u7528\u6210\u5957\u5355\u4f4d\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u0394B[T] = V[V] \u00d7 t[\u03bcs] \/ {N \u00d7 A<sub>e<\/sub>[mm\u00b2]}<\/strong><\/p>\n<p>\u56e0\u4e3a \u03bcs \u548c mm\u00b2 \u5bf9\u5e94\u7684 10\u207b\u2076 \u6b63\u597d\u62b5\u6d88\u3002\u5207\u8bb0\u8fd9\u53ea\u5bf9\u8fd9\u91cc\u5199\u660e\u7684\u5355\u4f4d\u7ec4\u5408\u6210\u7acb\u3002<\/p>\n<h3 id=\"52\">5.2 \u4e00\u4e2a\u5341\u79d2\u949f\u80fd\u68c0\u67e5\u7684\u4f8b\u5b50<\/h3>\n<p>24 V \u52a0\u5728 20 \u531d\u3001A<sub>e<\/sub>=80 mm\u00b2 \u7684\u7ed5\u7ec4\u4e0a\uff0c\u6301\u7eed 4 \u03bcs\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u0394B = 24\u00d74\/(20\u00d780) = 0.060 T<\/strong><\/p>\n<p>\u82e5\u4fdd\u6301\u5176\u4ed6\u6761\u4ef6\uff0c\u628a\u5bfc\u901a\u65f6\u95f4\u52a0\u500d\u5230 8 \u03bcs\uff0c\u0394B \u5c31\u53d8\u6210 0.120 T\uff1b\u82e5\u531d\u6570\u52a0\u500d\uff0c\u0394B \u5c31\u51cf\u534a\u3002\u7535\u6d41\u6682\u65f6\u6ca1\u6709\u51fa\u73b0\u5728\u8fd9\u4e2a\u5f0f\u5b50\u91cc\uff0c\u56e0\u4e3a\u6b64\u5904\u662f\u5728\u5206\u6790\u7ed9\u5b9a\u7535\u538b\u9a71\u52a8\u5e26\u6765\u7684\u78c1\u901a\u53d8\u5316\u3002<\/p>\n<p>\u8fd9\u80fd\u89e3\u91ca\u4e3a\u4ec0\u4e48\u6709\u4e9b\u53d8\u538b\u5668\u7a7a\u8f7d\u4e5f\u4f1a\u9971\u548c\uff1a\u5373\u4f7f\u6ca1\u6709\u8f93\u51fa\u8d1f\u8f7d\uff0c\u5982\u679c\u7535\u538b\u8fc7\u9ad8\u3001\u9891\u7387\u8fc7\u4f4e\u6216\u590d\u4f4d\u4e0d\u5b8c\u6574\uff0c\u78c1\u5bc6\u4ecd\u7136\u53ef\u80fd\u8d8a\u754c\u3002<\/p>\n<h3 id=\"53\">5.3 \u4f0f\u79d2\u5e73\u8861\uff1a\u6bcf\u4e00\u5468\u671f\u8981\u56de\u5230\u53ef\u4ee5\u91cd\u590d\u7684\u72b6\u6001<\/h3>\n<p>\u7a33\u5b9a\u5468\u671f\u5de5\u4f5c\u8981\u6c42\u4e00\u5468\u671f\u7ed3\u675f\u65f6\u78c1\u901a\u56de\u5230\u8d77\u70b9\uff0c\u56e0\u6b64\u4f5c\u7528\u4e8e\u52b1\u78c1\u652f\u8def\u7684\u7535\u538b\u6ee1\u8db3\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u222b\u2080\u1d40 v<sub>m<\/sub>(t) dt = 0<\/strong><\/p>\n<p>\u7b80\u5355\u8bf4\uff0c\u6b63\u5411\u7535\u538b\u4e58\u65f6\u95f4\u5f62\u6210\u7684\u9762\u79ef\uff0c\u5fc5\u987b\u7531\u53cd\u5411\u9762\u79ef\u62b5\u6d88\u3002\u7ebf\u5708\u7535\u963b\u7b49\u4f1a\u8ba9\u7aef\u53e3\u7535\u538b\u4e0e\u52b1\u78c1\u7535\u538b\u7565\u6709\u5dee\u5f02\uff0c\u7cbe\u5bc6\u5206\u6790\u65f6\u5e94\u6263\u9664\u8fd9\u4e9b\u538b\u964d\u3002<\/p>\n<p>\u5982\u679c\u4e00\u4e2a\u5468\u671f\u6b63\u5411\u9762\u79ef\u6bd4\u53cd\u5411\u9762\u79ef\u591a\u4e00\u70b9\u70b9\uff0c\u78c1\u5bc6\u5c31\u53ef\u80fd\u9010\u6b65\u504f\u79fb\uff0c\u8fd9\u53eb\u78c1\u901a\u8d70\u504f\u6216\u504f\u78c1\u3002\u63a8\u633d\u9a71\u52a8\u4e0d\u5bf9\u79f0\u3001\u6865\u5f0f\u6b63\u8d1f\u8109\u51b2\u4e0d\u5e73\u8861\u3001\u542f\u52a8\u72b6\u6001\u4e0d\u5408\u9002\uff0c\u90fd\u53ef\u80fd\u51fa\u73b0\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-04-voltseconds.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"display:block;max-width:100%;height:auto;margin:26px auto\" loading=\"lazy\" alt=\"\u7535\u538b\u79ef\u5206\u5f62\u6210\u78c1\u901a\u5bc6\u5ea6\uff0c\u5c55\u793a\u6b63\u5f26\u3001\u53cc\u6781\u6027\u65b9\u6ce2\u548c\u53cd\u6fc0\u590d\u4f4d\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-04-voltseconds.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<h3 id=\"54-b0\">5.4 \u590d\u4f4d\u4e0d\u7b49\u4e8e\u6240\u6709\u60c5\u51b5\u4e0b\u90fd\u56de\u5230 B=0<\/h3>\n<p>\u201c\u590d\u4f4d\u201d\u7684\u5b9e\u9645\u542b\u4e49\u662f\u4e3a\u4e0b\u4e00\u5468\u671f\u6062\u590d\u8db3\u591f\u7684\u78c1\u901a\u4f59\u91cf\uff0c\u5e76\u4f7f\u7a33\u6001\u4f0f\u79d2\u5e73\u8861\u3002\u53cc\u6781\u6027\u53d8\u538b\u5668\u53ef\u80fd\u5728\u6b63\u8d1f\u78c1\u5bc6\u4e4b\u95f4\u5f80\u8fd4\uff1b\u6b63\u6fc0\u78c1\u82af\u53ef\u80fd\u56de\u5230\u4e00\u5b9a\u5269\u78c1\u9644\u8fd1\uff1b\u53cd\u6fc0\u9000\u78c1\u7ed3\u675f\u8868\u793a\u50a8\u80fd\u7535\u6d41\u964d\u4e3a\u96f6\uff0c\u4f46\u771f\u5b9e\u78c1\u82af\u4ecd\u6709\u78c1\u6ede\u548c\u5269\u78c1\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u4e0d\u80fd\u628a\u201c\u9000\u78c1\u7535\u6d41\u5df2\u7ecf\u5f52\u96f6\u201d\u673a\u68b0\u7b49\u540c\u4e8e\u201c\u6750\u6599\u5185\u90e8\u6240\u6709\u5730\u65b9\u7684 B \u90fd\u7cbe\u786e\u7b49\u4e8e\u96f6\u201d\u3002\u6559\u5b66\u7ebf\u6027\u6a21\u578b\u53ef\u4ee5\u8fd9\u6837\u8fd1\u4f3c\uff0c\u5de5\u7a0b\u8bbe\u8ba1\u8981\u989d\u5916\u7559\u51fa\u504f\u7f6e\u3001\u5269\u78c1\u548c\u6750\u6599\u516c\u5dee\u4f59\u91cf\u3002<\/p>\n<h2 id=\"_5\">\u516d\u3001\u4e09\u4e2a\u531d\u6570\u516c\u5f0f\uff0c\u770b\u6e05\u5b83\u4eec\u5404\u81ea\u9002\u7528\u4e8e\u4ec0\u4e48<\/h2>\n<h3 id=\"61-444\">6.1 \u6b63\u5f26\u6ce2\uff1a\u4e3a\u4ec0\u4e48\u51fa\u73b0 4.44<\/h3>\n<p>\u5047\u5b9a\u78c1\u901a\u8fd1\u4f3c\u6b63\u5f26\uff0cB(t)=Bpk sin(2\u03c0ft)\uff0c\u5bf9\u5b83\u6c42\u53d8\u5316\u7387\uff0c\u7535\u538b\u5e45\u503c\u4e3a 2\u03c0fNA<sub>e<\/sub>Bpk\uff0c\u518d\u9664\u4ee5 \u221a2 \u53d8\u6210\u6b63\u5f26\u6709\u6548\u503c\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>V<sub>rms<\/sub> \u2248 4.44 f N A<sub>e<\/sub>B<sub>pk<\/sub><\/strong><\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>N \u2265 V<sub>rms<\/sub> \/ (4.44 f A<sub>e<\/sub>B<sub>pk,allow<\/sub>)<\/strong><\/p>\n<p>4.44 \u6765\u81ea 2\u03c0\/\u221a2 \u7684\u8fd1\u4f3c\u503c\uff0c\u4e0d\u662f\u201c\u6240\u6709\u53d8\u538b\u5668\u90fd\u901a\u7528\u201d\u7684\u795e\u79d8\u5e38\u6570\u3002\u8fd9\u91cc\u7535\u538b\u662f\u6b63\u5f26\u6709\u6548\u503c\uff0c\u78c1\u5bc6\u662f\u5cf0\u503c\uff0c\u9891\u7387\u662f\u6b63\u5f26\u5468\u671f\u9891\u7387\u3002<\/p>\n<h3 id=\"62-4\">6.2 \u5bf9\u79f0\u53cc\u6781\u6027\u65b9\u6ce2\uff1a\u7cfb\u6570\u662f 4<\/h3>\n<p>\u5982\u679c\u7ed5\u7ec4\u7535\u538b\u4e00\u534a\u5468\u671f\u4e3a +V\u3001\u4e00\u534a\u5468\u671f\u4e3a \u2212V\uff0c\u6ca1\u6709\u96f6\u7535\u538b\u95f4\u9694\uff0c\u78c1\u5bc6\u4ece \u2212Bpk \u8d70\u5230 +Bpk \u6240\u9700\u7684\u53d8\u5316\u91cf\u662f 2Bpk\u3002\u4e8e\u662f\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>V = 4 f N A<sub>e<\/sub>B<sub>pk<\/sub><\/strong><\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>N \u2265 V \/ (4 f A<sub>e<\/sub>B<sub>pk,allow<\/sub>)<\/strong><\/p>\n<p>\u8fd9\u91cc V \u662f\u7ed5\u7ec4\u65b9\u6ce2\u5e73\u53f0\u5e45\u503c\uff1b\u8fd9\u79cd\u7406\u60f3\u65b9\u6ce2\u7684\u6709\u6548\u503c\u6070\u597d\u4e5f\u7b49\u4e8e V\u3002f \u662f\u5b8c\u6210\u201c\u6b63\u5411\u52a0\u53cd\u5411\u201d\u4e00\u6574\u5468\u671f\u7684\u9891\u7387\uff0c\u4e0d\u80fd\u968f\u610f\u6362\u6210\u67d0\u4e2a\u63a7\u5236\u82af\u7247\u7684\u632f\u8361\u9891\u7387\u3002<\/p>\n<p>\u6709 PWM \u96f6\u7535\u538b\u6bb5\u3001\u6b7b\u533a\u3001\u79fb\u76f8\u8c03\u5236\u6216\u4e0d\u7b49\u957f\u6b63\u8d1f\u8109\u51b2\u65f6\uff0c\u76f4\u63a5\u56de\u5230 Vt\/(NA<sub>e<\/sub>) \u66f4\u4e0d\u5bb9\u6613\u51fa\u9519\u3002<\/p>\n<h3 id=\"63\">6.3 \u5355\u4e2a\u8109\u51b2\uff1a\u6700\u7a33\u59a5\u7684\u901a\u7528\u8ba1\u7b97\u5165\u53e3<\/h3>\n<p>\u5bf9\u4e8e\u6b63\u6fc0\u3001\u53cd\u6fc0\u3001\u63a8\u633d\u67d0\u4e00\u534a\u7ed5\u7ec4\u3001\u5168\u6865\u67d0\u4e2a\u6709\u6548\u8109\u51b2\uff0c\u90fd\u53ef\u4ee5\u5148\u6c42\u5b9e\u9645\u7ed5\u7ec4\u7aef\u7535\u538b\u4e0e\u6301\u7eed\u65f6\u95f4\uff0c\u518d\u7528\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>N \u2265 V<sub>winding<\/sub>t<sub>pulse,max<\/sub> \/ (A<sub>e,min<\/sub>\u0394B<sub>allow<\/sub>)<\/strong><\/p>\n<p>\u8fd9\u91cc\u7279\u610f\u5199 A<sub>e,min<\/sub>\uff0c\u63d0\u9192\u4f60\u68c0\u67e5\u78c1\u82af\u5c3a\u5bf8\u516c\u5dee\uff1b\u4e5f\u7279\u610f\u5199\u201c\u7ed5\u7ec4\u7aef\u7535\u538b\u201d\uff0c\u56e0\u4e3a\u534a\u6865\u7ed5\u7ec4\u6240\u627f\u53d7\u7684\u5e73\u53f0\u7535\u538b\u901a\u5e38\u7ea6\u4e3a\u6bcd\u7ebf\u7684\u4e00\u534a\uff0c\u4e0d\u80fd\u628a\u5168\u6865\u516c\u5f0f\u4e2d\u7684\u6bcd\u7ebf\u7535\u538b\u76f4\u63a5\u590d\u5236\u8fc7\u6765\u3002<\/p>\n<div style=\"overflow-x:auto;margin:20px 0\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.94em\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u5de5\u4f5c\u65b9\u5f0f<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u531d\u6570\u8ba1\u7b97\u5148\u627e\u4ec0\u4e48<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u989d\u5916\u8981\u68c0\u67e5\u4ec0\u4e48<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5de5\u9891\u6b63\u5f26\u53d8\u538b\u5668<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6700\u5927\u7535\u538b\u3001\u6700\u4f4e\u9891\u7387\u3001\u5141\u8bb8 Bpk<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u542f\u52a8\u6d8c\u6d41\u3001\u5269\u78c1\u3001\u7a7a\u8f7d\u635f\u8017<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5168\u6865<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5b9e\u9645 \u00b1\u6bcd\u7ebf\u7535\u538b\u8109\u51b2\u53ca\u5bbd\u5ea6<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6b63\u8d1f\u4f0f\u79d2\u3001\u6b7b\u533a\u3001\u542f\u52a8\u3001\u504f\u78c1<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u534a\u6865<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5b9e\u9645\u7ed5\u7ec4\u8109\u51b2\uff0c\u5e38\u7ea6 \u00b1\u6bcd\u7ebf\/2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5206\u538b\u7535\u5bb9\u5e73\u8861\u3001\u4f0f\u79d2\u4e0e\u7535\u6d41<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u63a8\u633d<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6bcf\u6b21\u5bfc\u901a\u7684\u534a\u521d\u7ea7\u531d\u6570\u4e0e\u8109\u51b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u4e24\u534a\u7ed5\u7ec4\u5bf9\u79f0\u3001\u9a71\u52a8\u4e0d\u5e73\u8861<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6b63\u6fc0<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5bfc\u901a\u4f0f\u79d2\u4e0e\u53cd\u5411\u590d\u4f4d\u80fd\u529b<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u590d\u4f4d\u7ed5\u7ec4\u6216\u94b3\u4f4d\u7535\u8def\u3001\u6700\u5927\u5360\u7a7a\u6bd4<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u53cd\u6fc0<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5bfc\u901a\u4f0f\u79d2\u3001\u52b1\u78c1\u7535\u611f\u3001\u5cf0\u503c\u7535\u6d41<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u50a8\u80fd\u3001\u6c14\u9699\u3001\u9000\u78c1\u65f6\u95f4\u3001\u53cd\u5c04\u7535\u538b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u201c\u6b63\u6fc0\u4e0e\u53cd\u6fc0\u7684\u78c1\u4ef6\u8bbe\u8ba1\u5e94\u5206\u522b\u5904\u7406\u201d\u4e5f\u4f53\u73b0\u5728 TI \u7684\u78c1\u4ef6\u6559\u6750\u7ec4\u7ec7\u4e2d\uff1a\u529f\u7387\u53d8\u538b\u5668\u4e0e\u7535\u611f\/\u53cd\u6fc0\u8bbe\u8ba1\u662f\u4e24\u4e2a\u72ec\u7acb\u7ae0\u8282\u3002<a href=\"https:\/\/www.ti.com\/lit\/ml\/slup126\/slup126.pdf\">TI\uff1aPower Transformer Design<\/a>\u3001<a href=\"https:\/\/www.ti.com\/lit\/ml\/slup127\/slup127.pdf\">TI\uff1aInductor and Flyback Transformer Design<\/a><\/p>\n<h2 id=\"_6\">\u4e03\u3001\u78c1\u82af\u600e\u6837\u9009\uff1a\u6750\u8d28\u3001\u5f62\u72b6\u4e0e\u6709\u6548\u53c2\u6570<\/h2>\n<h3 id=\"71\">7.1 \u5148\u9009\u9002\u5408\u9891\u7387\u7684\u6750\u6599\uff0c\u518d\u8003\u8651\u5916\u5f62<\/h3>\n<div style=\"overflow-x:auto;margin:20px 0\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.94em\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u6750\u6599\u7c7b\u522b<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u5e38\u89c1\u7528\u9014<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u9002\u5408\u521d\u5b66\u8005\u8bb0\u4f4f\u7684\u7279\u70b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7845\u94a2\u53e0\u7247<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5de5\u9891\u53d8\u538b\u5668\u3001\u7535\u673a\u7b49<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u901a\u8fc7\u8584\u7247\u53e0\u52a0\u6291\u5236\u6da1\u6d41\uff1b\u4e0d\u80fd\u628a\u666e\u901a\u5de5\u9891\u53e0\u7247\u968f\u610f\u7528\u4e8e\u5f88\u9ad8\u9891\u7387<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u529f\u7387\u94c1\u6c27\u4f53<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u9ad8\u9891\u5f00\u5173\u53d8\u538b\u5668\u548c\u90e8\u5206\u7535\u611f<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7535\u963b\u7387\u8f83\u9ad8\u3001\u9002\u5408\u9ad8\u9891\uff1b\u9971\u548c\u78c1\u5bc6\u548c\u635f\u8017\u5f3a\u70c8\u4f9d\u8d56\u724c\u53f7\u4e0e\u6e29\u5ea6<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u94c1\u7c89\u82af\u53ca\u5408\u91d1\u78c1\u7c89\u82af<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u50a8\u80fd\u7535\u611f\u3001\u6ee4\u6ce2\u5668\u7b49<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5e38\u6709\u5206\u5e03\u6c14\u9699\uff1b\u4e0d\u540c\u6750\u6599\u504f\u7f6e\u4e0e\u635f\u8017\u5dee\u5f02\u5f88\u5927<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u975e\u6676\u3001\u7eb3\u7c73\u6676<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u67d0\u4e9b\u53d8\u538b\u5668\u3001\u7535\u6d41\u4e92\u611f\u5668\u548c\u5171\u6a21\u5668\u4ef6<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u53ef\u63d0\u4f9b\u4e0d\u540c\u7684\u78c1\u5bfc\u7387\u3001\u635f\u8017\u53ca\u9971\u548c\u7ec4\u5408\uff0c\u4f46\u7edd\u4e0d\u80fd\u53ea\u6309\u5916\u89c2\u5224\u65ad\u7528\u9014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u540c\u6837\u662f\u9ed1\u8272\u78c1\u82af\uff0c\u53ef\u80fd\u662f\u529f\u7387\u4f4e\u635f\u8017\u6750\u6599\uff0c\u4e5f\u53ef\u80fd\u662f\u9488\u5bf9\u9ad8\u9891\u963b\u6297\u7684\u6291\u5236\u6750\u6599\u3002\u540e\u8005\u5728\u76ee\u6807\u9891\u6bb5\u201c\u635f\u8017\u5927\u201d\u6070\u6070\u53ef\u80fd\u662f\u5b83\u7528\u4e8e\u6291\u5236\u5e72\u6270\u7684\u539f\u56e0\uff0c\u5e76\u4e0d\u9002\u5408\u62ff\u6765\u505a\u9ad8\u6548\u7387\u529f\u7387\u53d8\u538b\u5668\u3002<\/p>\n<p>\u201c\u94c1\u6c27\u4f53\u201d\u201c\u94c1\u7c89\u201d\u201c\u7eb3\u7c73\u6676\u201d\u662f\u6750\u6599\u5927\u7c7b\uff0c\u4e0d\u80fd\u66ff\u4ee3\u5177\u4f53\u724c\u53f7\u3002\u91c7\u8d2d\u65f6\u6700\u597d\u4fdd\u7559\u6750\u6599\u724c\u53f7\u3001\u78c1\u82af\u8ba2\u8d27\u53f7\u3001\u9aa8\u67b6\u578b\u53f7\u3001\u6c14\u9699\u6216 A<sub>L<\/sub> \u89c4\u683c\uff0c\u907f\u514d\u4ee5\u540e\u5916\u5f62\u76f8\u540c\u5374\u6027\u80fd\u4e0d\u540c\u3002<\/p>\n<p>TDK \u7684\u6750\u6599\u76ee\u5f55\u6309\u5e94\u7528\u4e0e\u9891\u6bb5\u7ec4\u7ec7\u4e0d\u540c\u529f\u7387\u6750\u6599\uff0c\u8fd9\u4e5f\u8bf4\u660e\u9009\u6750\u4e0d\u5e94\u53ea\u51ed\u4e00\u4e2a\u201c\u6700\u9ad8\u78c1\u5bfc\u7387\u201d\u6392\u5e8f\u3002<a href=\"https:\/\/www.tdk-electronics.tdk.com\/en\/529404\/products\/product-catalog\/ferrites-and-accessories\/ferrite-materials\">TDK \u94c1\u6c27\u4f53\u6750\u6599\u76ee\u5f55<\/a><\/p>\n<h3 id=\"72-eeetdpqrm\">7.2 EE\u3001ETD\u3001PQ\u3001RM\u3001\u73af\u5f62\uff0c\u540d\u5b57\u4e0d\u662f\u529f\u7387\u7b49\u7ea7<\/h3>\n<p>EE \u7c7b\u7ed3\u6784\u5bb9\u6613\u914d\u9aa8\u67b6\u548c\u5b89\u6392\u5f15\u811a\uff1bETD \u7b49\u5706\u4e2d\u67f1\u7ed3\u6784\u6709\u5229\u4e8e\u67d0\u4e9b\u7ed5\u7ebf\u4e0e\u5e73\u5747\u531d\u957f\u5b89\u6392\uff1bPQ \u7c7b\u5e38\u7528\u4e8e\u5728\u4f53\u79ef\u3001\u7a97\u53e3\u548c\u78c1\u622a\u9762\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\uff1bRM \u548c\u7f50\u5f62\u7ed3\u6784\u53ef\u80fd\u66f4\u4fbf\u4e8e\u63a7\u5236\u90e8\u5206\u5916\u90e8\u78c1\u573a\uff1b\u73af\u5f62\u901a\u5e38\u5177\u6709\u8f83\u8fde\u7eed\u7684\u78c1\u8def\uff0c\u4f46\u591a\u7ed5\u7ec4\u7edd\u7f18\u548c\u4eba\u5de5\u7ed5\u7ebf\u53ef\u80fd\u66f4\u9ebb\u70e6\u3002<\/p>\n<p>\u8fd9\u4e9b\u53ea\u662f\u7ed3\u6784\u503e\u5411\uff0c\u4e0d\u80fd\u636e\u6b64\u5f97\u51fa\u201c\u67d0\u4e00\u79cd\u5916\u5f62\u6c38\u8fdc\u6700\u597d\u201d\u3002\u4e00\u53ea\u7ec6\u957f\u3001\u5927\u7a97\u53e3\u78c1\u82af\u53ef\u80fd\u65b9\u4fbf\u9ad8\u531d\u6570\u7ed5\u7ec4\uff1b\u53e6\u4e00\u53ea\u5927\u622a\u9762\u3001\u8f83\u7d27\u51d1\u7a97\u53e3\u78c1\u82af\u53ef\u80fd\u66f4\u9002\u5408\u5c11\u531d\u5927\u7535\u6d41\u3002\u8fd8\u8981\u770b\u7ed5\u7ebf\u8bbe\u5907\u3001\u5f15\u811a\u8f7d\u6d41\u80fd\u529b\u3001\u6f0f\u611f\u3001\u7535\u5bb9\u3001\u6563\u70ed\u3001\u751f\u4ea7\u6210\u672c\u4e0e\u7edd\u7f18\u9700\u6c42\u3002<\/p>\n<h3 id=\"73\">7.3 \u770b\u78c1\u82af\u624b\u518c\uff0c\u5148\u627e\u8fd9\u51e0\u4e2a\u53c2\u6570<\/h3>\n<div style=\"overflow-x:auto;margin:20px 0\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.94em\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u53c2\u6570<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u610f\u4e49<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u4e3b\u8981\u7528\u4e8e\u54ea\u91cc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">A<sub>e<\/sub><\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6709\u6548\u78c1\u622a\u9762\u79ef\uff0c\u5e38\u7528 mm\u00b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u531d\u6570\u548c\u78c1\u5bc6\u8ba1\u7b97<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">A<sub>min<\/sub><\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u67d0\u4e9b\u8d44\u6599\u63d0\u4f9b\u7684\u6700\u5c0f\u622a\u9762\u79ef<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5c40\u90e8\u6700\u5927\u78c1\u5bc6\u68c0\u67e5<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">l<sub>e<\/sub><\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6709\u6548\u78c1\u8def\u957f\u5ea6\uff0c\u5e38\u7528 mm<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u78c1\u963b\u3001\u52b1\u78c1\u4e0e\u6750\u6599\u8ba1\u7b97<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">V<sub>e<\/sub><\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6709\u6548\u78c1\u82af\u4f53\u79ef\uff0c\u5e38\u7528 mm\u00b3<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7531\u5355\u4f4d\u4f53\u79ef\u635f\u8017\u7b97\u603b\u78c1\u82af\u635f\u8017<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">A<sub>w<\/sub><\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7a97\u53e3\u9762\u79ef\u6216\u9aa8\u67b6\u53ef\u7ed5\u9762\u79ef\uff0c\u5b9a\u4e49\u4f9d\u624b\u518c<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7ed5\u7ec4\u80fd\u5426\u653e\u4e0b<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">MLT<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5e73\u5747\u6bcf\u531d\u957f\u5ea6<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u94dc\u7ebf\u603b\u957f\u548c\u76f4\u6d41\u7535\u963b<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">A<sub>L<\/sub><\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7535\u611f\u56e0\u5b50\uff0c\u5e38\u7528 nH\/\u531d\u00b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6839\u636e\u531d\u6570\u4f30\u7b97\u7535\u611f<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6c14\u9699\u53ca\u5176\u516c\u5dee<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u78c1\u8def\u95f4\u9699\u7684\u89c4\u5b9a\u65b9\u5f0f<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u50a8\u80fd\u3001\u504f\u7f6e\u80fd\u529b\u3001A<sub>L<\/sub> \u4e00\u81f4\u6027<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u56fe\u7eb8\u4e0a\u7684\u5916\u90e8\u957f\u00d7\u5bbd\u00d7\u9ad8\uff0c\u4e0d\u7b49\u4e8e A<sub>e<\/sub>\u3001A<sub>w<\/sub> \u6216 V<sub>e<\/sub>\u3002\u5bf9\u4e8e\u4e2d\u5fc3\u67f1\u6709\u5012\u89d2\u3001\u5b54\u6d1e\u6216\u975e\u5747\u5300\u622a\u9762\u7684\u78c1\u82af\uff0c\u5382\u5546\u7ed9\u51fa\u7684\u6709\u6548\u53c2\u6570\u6bd4\u62ff\u5361\u5c3a\u968f\u4fbf\u4e58\u4e24\u4e2a\u6570\u66f4\u53ef\u9760\u3002<\/p>\n<p>\u7a97\u53e3\u9762\u79ef\u7684\u5b9a\u4e49\u5c24\u5176\u5bb9\u6613\u6df7\u7528\uff1a\u6709\u7684\u6307\u78c1\u82af\u51e0\u4f55\u5b54\u9762\u79ef\uff0c\u6709\u7684\u6307\u914d\u5957\u9aa8\u67b6\u51c0\u7ed5\u7ebf\u9762\u79ef\uff1bE \u578b\u7684\u4e24\u4fa7\u7a97\u53e3\u4e5f\u4e0d\u5e94\u4e0d\u52a0\u7406\u89e3\u5730\u76f8\u52a0\u3002\u672c\u6587\u540e\u7eed\u7a97\u53e3\u7b97\u4f8b\u7edf\u4e00\u7528\u201c\u5728\u6240\u68c0\u67e5\u7ed5\u7ec4\u6a2a\u622a\u9762\u4e2d\u7684\u9aa8\u67b6\u51c0\u53ef\u7ed5\u9762\u79ef\u201d\uff0c\u5e76\u636e\u6b64\u8ba1\u7b97\u6240\u6709\u531d\u6240\u5360\u7684\u622a\u9762\u79ef\u3002<\/p>\n<h3 id=\"74-ee25\">7.4 \u4e3a\u4ec0\u4e48\u4e0d\u80fd\u56de\u7b54\u201cEE25 \u4e00\u5b9a\u80fd\u505a\u591a\u5c11\u74e6\u201d<\/h3>\n<p>\u529f\u7387\u80fd\u529b\u4e0e\u9891\u7387\u3001\u6ce2\u5f62\u3001\u6750\u6599\u3001\u5141\u8bb8\u78c1\u5bc6\u3001\u7a97\u53e3\u94dc\u9762\u79ef\u3001\u6e29\u5347\u3001\u6563\u70ed\u4ee5\u53ca\u7edd\u7f18\u8981\u6c42\u5171\u540c\u6709\u5173\u3002\u4ec5\u51ed\u5916\u5f62\u578b\u53f7\u6216\u78c1\u82af\u91cd\u91cf\uff0c\u6700\u591a\u505a\u7c97\u7565\u6bd4\u8f83\u3002<\/p>\n<p>\u66f4\u51c6\u786e\u7684\u95ee\u9898\u5e94\u8be5\u662f\uff1a\u201c\u5728\u6307\u5b9a\u8f93\u5165\u8303\u56f4\u3001\u62d3\u6251\u3001\u9891\u7387\u3001\u8f93\u51fa\u548c\u73af\u5883\u6e29\u5ea6\u4e0b\uff0c\u7528\u67d0\u4e2a\u6750\u6599\u4e0e\u9aa8\u67b6\u7684 EE25\uff0c\u662f\u5426\u80fd\u628a\u78c1\u82af\u635f\u8017\u3001\u7ed5\u7ec4\u635f\u8017\u3001\u78c1\u5bc6\u548c\u7edd\u7f18\u90fd\u63a7\u5236\u5728\u76ee\u6807\u8303\u56f4\u5185\uff1f\u201d\u8fd9\u624d\u662f\u53ef\u4ee5\u901a\u8fc7\u8ba1\u7b97\u548c\u6d4b\u8bd5\u56de\u7b54\u7684\u95ee\u9898\u3002<\/p>\n<h2 id=\"_7\">\u516b\u3001\u52b1\u78c1\u7535\u611f\u3001\u6f0f\u611f\u4e0e\u6c14\u9699\uff1a\u4e09\u8005\u4e0d\u8981\u6df7\u4e3a\u4e00\u8c08<\/h2>\n<h3 id=\"81-lm\">8.1 \u52b1\u78c1\u7535\u611f Lm \u51b3\u5b9a\u5efa\u7acb\u78c1\u573a\u9700\u8981\u591a\u5c11\u7535\u6d41<\/h3>\n<p>\u771f\u5b9e\u78c1\u82af\u7684\u78c1\u5bfc\u7387\u6709\u9650\uff0c\u521d\u7ea7\u5373\u4f7f\u7a7a\u8f7d\u4e5f\u9700\u8981\u52b1\u78c1\u7535\u6d41\u3002\u5728\u7b80\u5316\u7b49\u6548\u7535\u8def\u4e2d\uff0c\u52b1\u78c1\u7535\u611f Lm \u4e0e\u7406\u60f3\u53d8\u538b\u5668\u7684\u521d\u7ea7\u5e76\u8054\u3002<\/p>\n<p>\u77e9\u5f62\u7535\u538b\u4e0b\uff0c\u7ebf\u6027\u533a\u57df\u4e2d\u7684\u52b1\u78c1\u7535\u6d41\u53d8\u5316\u91cf\u4e3a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u0394I<sub>m<\/sub> = Vt \/ L<sub>m<\/sub><\/strong><\/p>\n<p>\u4f8b\u5982 24 V \u6301\u7eed 4 \u03bcs\uff0cLm=200 \u03bcH\uff0c\u5219 \u0394Im=24\u00d74\/200=0.48 A\u3002\u82e5 Lm \u964d\u5230 100 \u03bcH\uff0c\u7535\u6d41\u53d8\u5316\u91cf\u5c31\u7ffb\u500d\u5230 0.96 A\u3002<\/p>\n<h3 id=\"82-al\">8.2 A<sub>L<\/sub> \u662f\u5f88\u65b9\u4fbf\u7684\u7535\u611f\u6362\u7b97\u7cfb\u6570<\/h3>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>L = A<sub>L<\/sub>N\u00b2<\/strong><\/p>\n<p>\u4f8b\u5982 A<sub>L<\/sub>=250 nH\/\u531d\u00b2\uff0c\u7ed5 20 \u531d\uff1aL=250\u00d720\u00b2 nH=100000 nH=100 \u03bcH\u3002<\/p>\n<p>\u5982\u679c\u76ee\u6807 L=150 \u03bcH\u3001N=20\uff0c\u6240\u9700 A<sub>L<\/sub>=150000\/400=375 nH\/\u531d\u00b2\u3002\u91c7\u8d2d\u6c14\u9699\u78c1\u82af\u65f6\uff0c\u6307\u5b9a\u76ee\u6807 A<sub>L<\/sub> \u53ca\u516c\u5dee\u6709\u65f6\u6bd4\u53ea\u7ed9\u51fa\u4e00\u4e2a\u673a\u68b0\u6c14\u9699\u66f4\u4fbf\u4e8e\u68c0\u9a8c\u3002<\/p>\n<p>\u4f46 A<sub>L<\/sub> \u662f\u89c4\u5b9a\u88c5\u914d\u548c\u6d4b\u8bd5\u6761\u4ef6\u4e0b\u7684\u503c\uff0c\u4e0d\u4fdd\u8bc1\u5927\u7535\u6d41\u65f6\u4ecd\u7136\u5b8c\u5168\u4e0d\u53d8\u3002\u6d4b\u91cf\u9891\u7387\u3001\u6e29\u5ea6\u3001\u6c14\u9699\u538b\u7d27\u65b9\u5f0f\u548c\u504f\u7f6e\u90fd\u53ef\u80fd\u5f71\u54cd\u5b9e\u9645\u7535\u611f\u3002<\/p>\n<h3 id=\"83-llk\">8.3 \u6f0f\u611f Llk \u8868\u793a\u6ca1\u6709\u540c\u65f6\u4ea4\u94fe\u5404\u7ed5\u7ec4\u7684\u90a3\u90e8\u5206\u78c1\u573a<\/h3>\n<p>\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u521d\u7ea7\u78c1\u901a\u90fd\u94fe\u63a5\u6b21\u7ea7\u3002\u771f\u5b9e\u7ed5\u7ec4\u5b58\u5728\u95f4\u8ddd\u3001\u7edd\u7f18\u548c\u6709\u9650\u957f\u5ea6\uff0c\u4e00\u90e8\u5206\u78c1\u573a\u4e0d\u80fd\u540c\u65f6\u6709\u6548\u4ea4\u94fe\uff0c\u8868\u73b0\u4e3a\u6f0f\u611f\u3002\u5b83\u901a\u5e38\u7b49\u6548\u4e3a\u7ed5\u7ec4\u4e32\u8054\u7535\u611f\u3002<\/p>\n<p>\u5f00\u5173\u5207\u6362\u65f6\uff0c\u6f0f\u611f\u4e2d\u7684\u7535\u6d41\u4e0d\u80fd\u7a81\u7136\u6d88\u5931\uff0c\u53ef\u80fd\u9020\u6210\u7535\u538b\u5c16\u5cf0\u3002\u5176\u50a8\u80fd\u53ef\u521d\u6b65\u4f30\u8ba1\u4e3a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>E<sub>lk<\/sub> = \u00bdL<sub>lk<\/sub>I\u00b2<\/strong><\/p>\n<p>\u82e5 Llk=1 \u03bcH\uff0c\u5207\u6362\u7535\u6d41\u4e3a 4 A\uff0c\u5219\u50a8\u80fd\u662f 8 \u03bcJ\u3002\u82e5\u6bcf\u79d2\u53d1\u751f 100000 \u6b21\u540c\u7c7b\u4e8b\u4ef6\uff0c\u4e14\u8fd9\u90e8\u5206\u80fd\u91cf\u6bcf\u6b21\u90fd\u88ab\u8017\u6563\uff0c\u76f8\u5173\u635f\u8017\u7ea6 0.8 W\u3002\u80fd\u5426\u56de\u6536\u3001\u6bcf\u5468\u671f\u6709\u51e0\u6b21\u4e8b\u4ef6\u3001\u4f7f\u7528\u54ea\u4e2a\u53c2\u8003\u4fa7\uff0c\u90fd\u5fc5\u987b\u6309\u5177\u4f53\u62d3\u6251\u5904\u7406\u3002<\/p>\n<p>\u4e0d\u8981\u56e0\u4e3a\u6f0f\u611f\u5bfc\u81f4\u5c16\u5cf0\uff0c\u5c31\u628a\u6d4b\u5f97\u7684\u6240\u6709\u632f\u94c3\u90fd\u5f52\u548e\u4e8e\u201c\u78c1\u82af\u4e0d\u591f\u5927\u201d\u3002\u632f\u94c3\u8fd8\u4e0e\u5668\u4ef6\u7535\u5bb9\u3001\u5e03\u7ebf\u548c\u94b3\u4f4d\u6709\u5173\u3002<\/p>\n<h3 id=\"84\">8.4 \u6c14\u9699\u5728\u505a\u4ec0\u4e48<\/h3>\n<p>\u78c1\u8def\u4e2d\u63d2\u5165\u7a7a\u6c14\u95f4\u9699\uff0c\u4f1a\u663e\u8457\u589e\u52a0\u78c1\u963b\uff0c\u964d\u4f4e\u6709\u6548\u78c1\u5bfc\u7387\u3002\u7528\u7b80\u5316\u78c1\u8def\u6a21\u578b\u8868\u793a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u211c \u2248 l<sub>e<\/sub>\/(\u03bc\u2080\u03bc<sub>r<\/sub>A<sub>e<\/sub>) + g\/(\u03bc\u2080A<sub>e<\/sub>)\uff1bL \u2248 N\u00b2\/\u211c<\/strong><\/p>\n<p>g \u662f\u8fd9\u4e2a\u6a21\u578b\u4e2d\u7684\u7b49\u6548\u603b\u6c14\u9699\u3002\u82e5\u6c14\u9699\u78c1\u963b\u8fdc\u5927\u4e8e\u78c1\u82af\u672c\u4f53\u78c1\u963b\uff0c\u5e76\u5ffd\u7565\u8fb9\u7f18\u78c1\u901a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>L \u2248 \u03bc\u2080N\u00b2A<sub>e<\/sub>\/g<\/strong><\/p>\n<p>\u8fd9\u8bf4\u660e\u52a0\u5927\u6c14\u9699\u901a\u5e38\u4f1a\u51cf\u5c0f\u7535\u611f\uff1b\u5bf9\u4e8e\u76f8\u540c\u531d\u6570\u548c\u7ed9\u5b9a\u7535\u6d41\uff0c\u4e5f\u80fd\u964d\u4f4e\u76f8\u5e94\u7684\u78c1\u901a\u5bc6\u5ea6\u3001\u63d0\u9ad8\u53ef\u627f\u53d7\u7684\u50a8\u80fd\u7535\u6d41\u8303\u56f4\u3002<\/p>\n<p><strong>\u4f46\u5728\u76f8\u540c\u7535\u538b\u3001\u8109\u51b2\u65f6\u95f4\u3001\u531d\u6570\u548c\u622a\u9762\u79ef\u4e0b\uff0c\u0394B=Vt\/(NA<sub>e<\/sub>) \u5e76\u4e0d\u4f1a\u56e0\u4e3a\u52a0\u6c14\u9699\u800c\u81ea\u52a8\u53d8\u5c0f\u3002<\/strong>\u6c14\u9699\u4f1a\u6539\u53d8\u8fbe\u5230\u8fd9\u6bb5\u78c1\u901a\u53d8\u5316\u6240\u9700\u7684\u7535\u6d41\u3002\u8fd9\u4e00\u70b9\u975e\u5e38\u91cd\u8981\uff0c\u80fd\u907f\u514d\u628a\u201c\u5f00\u6c14\u9699\u201d\u8bef\u5f53\u6210\u4efb\u4f55\u8fc7\u4f0f\u79d2\u9971\u548c\u95ee\u9898\u7684\u4e07\u80fd\u4fee\u590d\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-05-gap.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"display:block;max-width:100%;height:auto;margin:26px auto\" loading=\"lazy\" alt=\"\u6c14\u9699\u50a8\u80fd\u3001\u5c40\u90e8\u8fb9\u7f18\u78c1\u901a\u53ca\u7ed5\u7ec4\u907f\u8ba9\u5173\u7cfb\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-05-gap.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<h3 id=\"85\">8.5 \u4e3a\u4ec0\u4e48\u53cd\u6fc0\u9700\u8981\u50a8\u80fd\uff0c\u800c\u666e\u901a\u53d8\u538b\u5668\u901a\u5e38\u4e0d\u5e0c\u671b\u5927\u50a8\u80fd<\/h3>\n<p>\u5e38\u89c4\u53d8\u538b\u5668\u4e3b\u8981\u5728\u521d\u3001\u6b21\u7ea7\u540c\u65f6\u53c2\u4e0e\u7684\u9636\u6bb5\u4f20\u80fd\uff1b\u5176\u52b1\u78c1\u50a8\u80fd\u901a\u5e38\u4e0d\u662f\u8f93\u51fa\u80fd\u91cf\u7684\u4e3b\u8981\u6765\u6e90\u3002\u53cd\u6fc0\u5219\u5728\u5f00\u5173\u5bfc\u901a\u65f6\u8ba9\u52b1\u78c1\u7535\u6d41\u4e0a\u5347\uff0c\u5173\u65ad\u540e\u518d\u901a\u8fc7\u6b21\u7ea7\u91ca\u653e\u80fd\u91cf\u3002<\/p>\n<p>\u5728\u7ebf\u6027\u6a21\u578b\u4e2d\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>E = \u00bdLI\u00b2<\/strong><\/p>\n<p>\u7a7a\u6c14\u4e2d\u7684\u5355\u4f4d\u4f53\u79ef\u78c1\u573a\u80fd\u91cf\u7ea6\u4e3a B\u00b2\/(2\u03bc\u2080)\uff0c\u6c14\u9699\u78c1\u963b\u5360\u4e3b\u5bfc\u65f6\uff0c\u50a8\u80fd\u4e3b\u8981\u96c6\u4e2d\u5728\u6c14\u9699\u78c1\u573a\u4e2d\uff0c\u800c\u4e0d\u662f\u201c\u9ed1\u8272\u94c1\u6c27\u4f53\u672c\u4f53\u91cc\u585e\u6ee1\u4e86\u80fd\u91cf\u201d\u3002\u8fd9\u4e5f\u662f\u53cd\u6fc0\u78c1\u4ef6\u7ecf\u5e38\u88ab\u66f4\u51c6\u786e\u5730\u79f0\u4e3a\u8026\u5408\u7535\u611f\u7684\u539f\u56e0\u3002<a href=\"https:\/\/www.ti.com\/document-viewer\/lit\/html\/SLVAFK6\">TI\uff1aFlyback converter fundamentals<\/a><\/p>\n<p>\u6c14\u9699\u5468\u56f4\u7684\u78c1\u573a\u4f1a\u5411\u5916\u9f13\u51fa\uff0c\u79f0\u4e3a\u8fb9\u7f18\u78c1\u901a\u3002\u82e5\u94dc\u7ebf\u6216\u94dc\u7b94\u7d27\u8d34\u5f3a\u8fb9\u7f18\u573a\u533a\u57df\uff0c\u53ef\u80fd\u4ea7\u751f\u9644\u52a0\u4ea4\u6d41\u635f\u8017\u548c\u5c40\u90e8\u70ed\u70b9\u3002\u78c1\u82af\u624b\u518c\u4e2d\u7684\u6c14\u9699\u5b9a\u4e49\u4e5f\u53ef\u80fd\u662f\u4e2d\u5fc3\u67f1\u6c14\u9699\u6216\u6574\u4f53\u57ab\u7247\u5f62\u6210\u7684\u591a\u4e2a\u95f4\u9699\uff0c\u4e0d\u80fd\u628a\u8ba1\u7b97\u5f97\u5230\u7684 g \u76f4\u63a5\u5f53\u6210\u6bcf\u4e2a\u63a5\u5408\u9762\u90fd\u8981\u57ab\u8fd9\u4e48\u539a\u3002<\/p>\n<h2 id=\"_8\">\u4e5d\u3001\u531d\u6bd4\u3001\u7535\u6d41\u6bd4\u548c\u53cd\u5c04\u963b\u6297\uff1a\u5148\u7406\u60f3\uff0c\u540e\u4fee\u6b63<\/h2>\n<h3 id=\"91\">9.1 \u7535\u538b\u6bd4\u6765\u81ea\u531d\u6570\u6bd4<\/h3>\n<p>\u5bf9\u7406\u60f3\u53d8\u538b\u5668\uff0c\u5728\u4e24\u7ec4\u7ed5\u7ec4\u94fe\u63a5\u76f8\u540c\u78c1\u901a\u65f6\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>V<sub>s<\/sub>\/V<sub>p<\/sub> = N<sub>s<\/sub>\/N<sub>p<\/sub><\/strong><\/p>\n<p>\u5982\u679c\u521d\u7ea7 100 \u531d\uff0c\u6b21\u7ea7 20 \u531d\uff0c\u531d\u6bd4 Ns\/Np=0.2\u3002\u521d\u7ea7\u67d0\u4e00\u9636\u6bb5\u65bd\u52a0 50 V\uff0c\u6b21\u7ea7\u76f8\u5e94\u7684\u611f\u5e94\u7535\u538b\u5e45\u503c\u7ea6\u4e3a 10 V\u3002<\/p>\n<p>\u8fd9\u91cc\u6307\u7ed5\u7ec4\u7aef\u611f\u5e94\u7535\u538b\u5173\u7cfb\uff0c\u4e0d\u81ea\u52a8\u7b49\u4e8e\u6574\u4e2a\u5f00\u5173\u7535\u6e90\u7684\u8f93\u5165\u76f4\u6d41\u7535\u538b\u4e0e\u8f93\u51fa\u76f4\u6d41\u7535\u538b\u5173\u7cfb\u3002\u6574\u6d41\u3001\u6ee4\u6ce2\u3001\u5360\u7a7a\u6bd4\u53ca\u4f20\u80fd\u65b9\u5f0f\u90fd\u4f1a\u6539\u53d8\u6700\u7ec8\u8f93\u51fa\u3002<\/p>\n<h3 id=\"92\">9.2 \u7535\u538b\u964d\u4e0b\u6765\uff0c\u7535\u6d41\u80fd\u529b\u4e0d\u4f1a\u51ed\u7a7a\u4fdd\u6301\u4e0d\u53d8<\/h3>\n<p>\u7406\u60f3\u4f20\u80fd\u5173\u7cfb\u8fd1\u4f3c\u6ee1\u8db3\u8f93\u5165\u8f93\u51fa\u529f\u7387\u76f8\u7b49\uff0c\u6240\u4ee5\u7535\u6d41\u5e45\u503c\u5173\u7cfb\u4e3a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>I<sub>p,load<\/sub> = (N<sub>s<\/sub>\/N<sub>p<\/sub>) I<sub>s<\/sub><\/strong><\/p>\n<p>\u8fd9\u662f\u8d1f\u8f7d\u6298\u7b97\u5230\u521d\u7ea7\u7684\u7535\u6d41\uff0c\u5b9e\u9645\u521d\u7ea7\u603b\u7535\u6d41\u8fd8\u5305\u542b\u52b1\u78c1\u5206\u91cf\u53ca\u5176\u4ed6\u5bc4\u751f\u7535\u6d41\u3002\u6bd4\u5982 5:1 \u964d\u538b\u65f6\uff0c\u6b21\u7ea7 5 A \u5bf9\u5e94\u7684\u521d\u7ea7\u8d1f\u8f7d\u5206\u91cf\u7ea6\u4e3a 1 A\uff0c\u800c\u4e0d\u662f\u521d\u6b21\u7ea7\u90fd\u6d41 5 A\u3002<\/p>\n<h3 id=\"93\">9.3 \u4e3a\u4ec0\u4e48\u8f93\u51fa\u8d1f\u8f7d\u52a0\u91cd\uff0c\u521d\u7ea7\u4f1a\u81ea\u52a8\u591a\u53d6\u7535<\/h3>\n<p>\u6b21\u7ea7\u8d1f\u8f7d\u7535\u6d41\u4ea7\u751f\u7684\u78c1\u5316\u4f5c\u7528\u4f1a\u53cd\u5bf9\u539f\u6709\u53d8\u5316\uff0c\u521d\u7ea7\u4ece\u7535\u6e90\u5438\u6536\u76f8\u5e94\u8d1f\u8f7d\u7535\u6d41\uff0c\u4f7f\u4e24\u4fa7\u8d1f\u8f7d\u5b89\u531d\u5927\u4f53\u4e92\u76f8\u62b5\u6d88\u3002\u6838\u5fc3\u5de5\u4f5c\u78c1\u901a\u4e3b\u8981\u7531\u7ed5\u7ec4\u7535\u538b\u7684\u79ef\u5206\u51b3\u5b9a\uff0c\u800c\u4e0d\u662f\u56e0\u4e3a\u8d1f\u8f7d\u7535\u6d41\u589e\u5927\u5c31\u6309\u76f8\u540c\u6bd4\u4f8b\u589e\u5927\u3002<\/p>\n<p>\u8fd9\u4e2a\u8fc7\u7a0b\u89e3\u91ca\u4e86\u4e00\u4e2a\u5e38\u89c1\u8bef\u533a\uff1a\u6b63\u5e38\u7535\u538b\u9a71\u52a8\u7684\u53d8\u538b\u5668\uff0c\u4e0d\u5e94\u7b80\u5355\u7528\u201c\u521d\u7ea7\u603b\u7535\u6d41\u00d7\u531d\u6570\u201d\u8ba1\u7b97\u78c1\u82af\u78c1\u5bc6\u3002\u53cd\u6fc0\u5bfc\u901a\u671f\u95f4\u6b21\u7ea7\u4e0d\u5bfc\u901a\uff0c\u6b64\u65f6\u521d\u7ea7\u7535\u6d41\u786e\u5b9e\u627f\u62c5\u4e3b\u8981\u50a8\u80fd\u78c1\u5316\u4f5c\u7528\uff0c\u60c5\u51b5\u53c8\u4e0d\u540c\u3002<\/p>\n<h3 id=\"94\">9.4 \u963b\u6297\u4f1a\u6309\u531d\u6bd4\u5e73\u65b9\u6298\u7b97<\/h3>\n<p>\u5b9a\u4e49 n=Np\/Ns\uff0c\u5219\u6b21\u7ea7\u963b\u6297 Zs \u6298\u7b97\u5230\u521d\u7ea7\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Z<sub>p<\/sub> = n\u00b2Z<sub>s<\/sub><\/strong><\/p>\n<p>\u4f8b\u5982 10:1 \u7684\u53d8\u538b\u5668\uff0c\u6b21\u7ea7\u63a5 1 \u03a9 \u7684\u7406\u60f3\u7535\u963b\uff0c\u521d\u7ea7\u770b\u5230\u7684\u8d1f\u8f7d\u963b\u6297\u7ea6\u4e3a 100 \u03a9\u3002\u8fd9\u4e2a\u6982\u5ff5\u5728\u53cd\u5c04\u8d1f\u8f7d\u3001\u8c10\u632f\u7535\u8def\u548c\u5c0f\u4fe1\u53f7\u5206\u6790\u4e2d\u5f88\u6709\u7528\uff0c\u4f46\u5b83\u4e0d\u5305\u62ec\u52b1\u78c1\u652f\u8def\u3001\u6f0f\u611f\u548c\u7ed5\u7ec4\u635f\u8017\u3002<\/p>\n<h2 id=\"_9\">\u5341\u3001\u7ed5\u7ebf\u7c97\u7ec6\u600e\u6837\u9009\uff1a\u4ece\u7535\u6d41\u5230\u94dc\u622a\u9762\u79ef<\/h2>\n<h3 id=\"101\">10.1 \u5148\u9009\u7535\u6d41\u5bc6\u5ea6\uff0c\u518d\u7b97\u5bfc\u4f53\u9762\u79ef<\/h3>\n<p>\u7535\u6d41\u5bc6\u5ea6 J \u662f\u6bcf\u5e73\u65b9\u6beb\u7c73\u94dc\u627f\u8f7d\u7684\u6709\u6548\u503c\u7535\u6d41\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>J = I<sub>rms<\/sub>\/A<sub>cu<\/sub>\uff1bA<sub>cu<\/sub> \u2265 I<sub>rms<\/sub>\/J<sub>target<\/sub><\/strong><\/p>\n<p>Acu \u53ea\u7b97\u5b9e\u9645\u94dc\u622a\u9762\u79ef\uff0c\u4e0d\u5305\u62ec\u6f06\u76ae\u3001\u7edd\u7f18\u5e26\u548c\u7a7a\u9699\u3002\u82e5 Irms=2 A\uff0c\u6682\u53d6 J=3 A\/mm\u00b2\uff0c\u5219\u9700\u8981\u81f3\u5c11 0.667 mm\u00b2 \u7684\u94dc\u622a\u9762\u79ef\u3002<\/p>\n<p>\u672c\u6587\u7b97\u4f8b\u91c7\u7528\u7ea6 2.5\uff5e3 A\/mm\u00b2 \u7684\u521d\u7b97\u76ee\u6807\uff0c<strong>\u53ea\u662f\u4e3a\u4e86\u6f14\u793a\u8ba1\u7b97\uff0c\u5e76\u975e\u901a\u7528\u989d\u5b9a\u8f7d\u6d41\u8868\u6216\u6e29\u5347\u4fdd\u8bc1<\/strong>\u3002\u5c01\u95ed\u3001\u9ad8\u6e29\u3001\u539a\u7edd\u7f18\u548c\u591a\u5c42\u7ed5\u7ec4\u53ef\u80fd\u9700\u8981\u66f4\u4f4e\u76ee\u6807\uff1b\u7279\u5b9a\u6563\u70ed\u7ed3\u6784\u53ef\u4ee5\u91c7\u7528\u4e0d\u540c\u76ee\u6807\uff0c\u4f46\u5fc5\u987b\u4ee5\u4ea4\u6d41\u635f\u8017\u548c\u6e29\u5347\u9a8c\u8bc1\u4e3a\u51c6\u3002<\/p>\n<p>\u540c\u4e00\u6839\u7ebf\uff0c\u5728\u7a7a\u6c14\u4e2d\u62c9\u76f4\u4f7f\u7528\u548c\u57cb\u5728\u591a\u5c42\u7ed5\u7ec4\u6700\u91cc\u9762\uff0c\u6563\u70ed\u6761\u4ef6\u5f88\u4e0d\u4e00\u6837\u3002\u7f51\u4e0a\u67d0\u4e2a\u201c\u7ebf\u5f84\u5bf9\u5e94\u6700\u5927\u7535\u6d41\u8868\u201d\u4e0d\u80fd\u4e0d\u52a0\u6761\u4ef6\u5730\u5957\u5230\u6240\u6709\u53d8\u538b\u5668\u4e2d\u3002<\/p>\n<h3 id=\"102\">10.2 \u5706\u7ebf\u76f4\u5f84\u8981\u5f00\u5e73\u65b9\uff0c\u4e0d\u80fd\u7ebf\u6027\u6362\u7b97<\/h3>\n<p>\u5706\u94dc\u7ebf\u622a\u9762\u79ef\u4e3a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>A<sub>cu<\/sub> = \u03c0d\u00b2\/4\uff1bd = \u221a(4A<sub>cu<\/sub>\/\u03c0)<\/strong><\/p>\n<p>\u524d\u9762 0.667 mm\u00b2 \u5bf9\u5e94\u7684\u88f8\u94dc\u76f4\u5f84\u4e3a \u221a(4\u00d70.667\/\u03c0)\u22480.922 mm\u3002\u5b9e\u9645\u9009\u62e9\u6807\u51c6\u7ebf\u5f84\u540e\uff0c\u518d\u91cd\u65b0\u7b97\u94dc\u9762\u79ef\u3001\u7535\u963b\u548c\u7a97\u53e3\u662f\u5426\u653e\u5f97\u4e0b\u3002<\/p>\n<div style=\"overflow-x:auto;margin:20px 0\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.94em\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u88f8\u94dc\u76f4\u5f84 d<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u94dc\u622a\u9762\u79ef \u03c0d\u00b2\/4<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u82e5\u4ec5\u6309 J=3 A\/mm\u00b2 \u521d\u7b97\uff0c\u5bf9\u5e94 Irms<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.10 mm<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.00785 mm\u00b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.024 A<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.20 mm<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.0314 mm\u00b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.094 A<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.30 mm<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.0707 mm\u00b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.212 A<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.50 mm<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.196 mm\u00b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.589 A<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.80 mm<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.503 mm\u00b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">1.51 A<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">1.00 mm<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.785 mm\u00b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">2.36 A<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">1.20 mm<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">1.131 mm\u00b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">3.39 A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u8fd9\u5f20\u8868\u53ea\u5c55\u793a\u51e0\u4f55\u5173\u7cfb\u4e0e\u5047\u8bbe J \u4e0b\u7684\u8ba1\u7b97\u7ed3\u679c\uff0c\u4e0d\u5305\u542b\u9ad8\u9891\u6548\u5e94\u3001\u6e29\u5ea6\u3001\u7edd\u7f18\u3001\u5f15\u811a\u6216\u7aef\u63a5\u9650\u5236\uff0c\u4e0d\u80fd\u5f53\u6210\u5bfc\u7ebf\u5b89\u5168\u8f7d\u6d41\u91cf\u6807\u51c6\u3002<\/p>\n<h3 id=\"103-05-mm-10-mm\">10.3 \u4e24\u6839 0.5 mm \u5e76\u8054\uff0c\u5e76\u4e0d\u7b49\u4e8e\u4e00\u6839 1.0 mm<\/h3>\n<p>\u4e24\u6839 0.5 mm \u88f8\u94dc\u7ebf\u603b\u9762\u79ef\u4e3a 2\u00d7\u03c0\u00d70.5\u00b2\/4=0.393 mm\u00b2\uff1b\u4e00\u6839 1.0 mm \u88f8\u94dc\u7ebf\u4e3a 0.785 mm\u00b2\uff0c\u540e\u8005\u6b63\u597d\u662f\u524d\u8005\u4e24\u500d\u3002<\/p>\n<p>n \u6839\u76f8\u540c\u7ec6\u7ebf\u5e76\u8054\u65f6\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>A<sub>total<\/sub> = n\u03c0d<sub>strand<\/sub>\u00b2\/4\uff1bd<sub>equiv<\/sub> = d<sub>strand<\/sub>\u221an<\/strong><\/p>\n<p>\u56db\u6839 0.5 mm \u7684\u94dc\u9762\u79ef\u624d\u7b49\u4e8e\u4e00\u6839 1.0 mm\u3002\u8fd9\u91cc\u7684\u7b49\u6548\u76f4\u5f84\u53ea\u5bf9\u5e94\u94dc\u9762\u79ef\uff0c\u4e0d\u4ee3\u8868\u4e24\u8005\u4ea4\u6d41\u635f\u8017\u3001\u5916\u5305\u76f4\u5f84\u3001\u5f2f\u6298\u6216\u6563\u70ed\u5b8c\u5168\u76f8\u540c\u3002<\/p>\n<h3 id=\"104\">10.4 \u5fc5\u987b\u533a\u5206\u88f8\u94dc\u7ebf\u5f84\u548c\u6f06\u5305\u7ebf\u5916\u5f84<\/h3>\n<p>\u4e70\u7ebf\u65f6\u5e38\u8bf4\u201c0.3 mm \u6f06\u5305\u7ebf\u201d\uff0c\u53ef\u80fd\u6307\u88f8\u5bfc\u4f53\u516c\u79f0\u76f4\u5f84\u3002\u5b9e\u9645\u542b\u6f06\u819c\u5916\u5f84\u66f4\u5927\uff0c\u800c\u4e14\u4e0e\u6f06\u819c\u7b49\u7ea7\u548c\u516c\u5dee\u6709\u5173\u3002<\/p>\n<p>\u7b97\u7535\u963b\u4e0e\u7535\u6d41\u5bc6\u5ea6\u7528\u88f8\u94dc\u76f4\u5f84\uff1b\u7b97\u4e00\u5c42\u80fd\u6392\u591a\u5c11\u531d\u3001\u9700\u8981\u591a\u5c11\u5c42\u3001\u7ed5\u7ec4\u603b\u539a\u5ea6\uff0c\u7528\u6700\u5927\u5916\u5f84\u53ca\u5de5\u827a\u4f59\u91cf\u3002\u5bf9\u7ec6\u7ebf\u800c\u8a00\uff0c\u7edd\u7f18\u6240\u5360\u6bd4\u4f8b\u53ef\u80fd\u5f88\u660e\u663e\uff1b\u5bf9\u5229\u5179\u7ebf\uff0c\u8fd8\u9700\u8981\u8003\u8651\u7ede\u5408\u540e\u7684\u7a7a\u9699\u3001\u5916\u5305\u548c\u538b\u5b9e\u7a0b\u5ea6\u3002<\/p>\n<h3 id=\"105-awg\">10.5 AWG \u53ea\u662f\u53e6\u4e00\u5957\u7ebf\u89c4\u540d\u79f0<\/h3>\n<p>AWG \u6570\u5b57\u8d8a\u5927\uff0c\u5bfc\u4f53\u4e00\u822c\u8d8a\u7ec6\u3002\u4f7f\u7528 AWG \u8868\u65f6\uff0c\u8981\u786e\u8ba4\u8868\u4e2d\u662f\u88f8\u5bfc\u4f53\u76f4\u5f84\u8fd8\u662f\u7edd\u7f18\u5916\u5f84\uff0c\u4e5f\u8981\u786e\u8ba4\u7ebf\u6750\u786e\u5b9e\u662f\u94dc\u800c\u975e\u94dc\u5305\u94dd\u6216\u5176\u4ed6\u6750\u6599\u3002\u4e0d\u8981\u53ea\u8bb0\u201c\u67d0\u4e2a AWG \u80fd\u8fc7\u51e0\u5b89\u201d\uff0c\u5e94\u8f6c\u6362\u4e3a\u5b9e\u9645\u94dc\u9762\u79ef\u548c\u7535\u963b\uff0c\u5e76\u56de\u5230\u4f60\u7684\u6709\u6548\u503c\u7535\u6d41\u4e0e\u70ed\u6761\u4ef6\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-06-wire.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"display:block;max-width:100%;height:auto;margin:26px auto\" loading=\"lazy\" alt=\"\u5706\u7ebf\u76f4\u5f84\u4e0e\u9762\u79ef\u3001\u591a\u80a1\u5e76\u8054\u548c\u9ad8\u9891\u7535\u6d41\u5206\u5e03\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-06-wire.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<h2 id=\"_10\">\u5341\u4e00\u3001\u9ad8\u9891\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u53ea\u9760\u52a0\u7c97\u94dc\u7ebf<\/h2>\n<h3 id=\"111\">11.1 \u8d8b\u80a4\u6548\u5e94\uff1a\u4ea4\u6d41\u7535\u6d41\u8d8a\u6765\u8d8a\u504f\u5411\u8868\u9762<\/h3>\n<p>\u4ea4\u6d41\u78c1\u573a\u4f1a\u4f7f\u5bfc\u4f53\u5185\u90e8\u7535\u6d41\u5206\u5e03\u4e0d\u5747\u5300\u3002\u9891\u7387\u8f83\u9ad8\u65f6\uff0c\u7535\u6d41\u66f4\u96c6\u4e2d\u5728\u9760\u8fd1\u8868\u9762\u7684\u533a\u57df\uff0c\u8fd9\u5c31\u662f\u8d8b\u80a4\u6548\u5e94\u3002\u5bf9\u4e8e\u5747\u5300\u826f\u5bfc\u4f53\uff0c\u5e38\u7528\u8d8b\u80a4\u6df1\u5ea6\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u03b4 = \u221a[\u03c1\/(\u03c0f\u03bc)]<\/strong><\/p>\n<p>\u94dc\u7684\u76f8\u5bf9\u78c1\u5bfc\u7387\u63a5\u8fd1 1\uff0c\u5728\u7ea6 20 \u2103\u7684\u5e38\u7528\u53c2\u6570\u4e0b\u53ef\u5199\u4e3a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u03b4[mm] \u2248 66\/\u221af[Hz]<\/strong><\/p>\n<div style=\"overflow-x:auto;margin:20px 0\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.94em\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u9891\u7387<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u94dc\u7684\u8d8b\u80a4\u6df1\u5ea6\u8fd1\u4f3c\u503c\uff0c20 \u2103<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">50 Hz<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">9.3 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">10 kHz<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.66 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">50 kHz<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.295 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">100 kHz<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.209 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">500 kHz<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.093 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">1 MHz<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.066 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u8d8b\u80a4\u6df1\u5ea6\u63cf\u8ff0\u7535\u6d41\u5bc6\u5ea6\u5411\u5bfc\u4f53\u5185\u90e8\u8870\u51cf\u7684\u5c3a\u5ea6\uff0c\u4e0d\u662f\u201c\u8d85\u8fc7\u8fd9\u4e2a\u539a\u5ea6\u7684\u94dc\u7edd\u5bf9\u6ca1\u6709\u7535\u6d41\u201d\u3002\u5b83\u4e5f\u4e0d\u662f\u76f4\u63a5\u51b3\u5b9a\u5355\u80a1\u76f4\u5f84\u7684\u552f\u4e00\u89c4\u5219\u3002<\/p>\n<h3 id=\"112\">11.2 \u90bb\u8fd1\u6548\u5e94\uff1a\u65c1\u8fb9\u7ed5\u7ec4\u7684\u78c1\u573a\u4e5f\u4f1a\u628a\u7535\u6d41\u6324\u5f00<\/h3>\n<p>\u5728\u53d8\u538b\u5668\u91cc\uff0c\u4e00\u6839\u7ebf\u4e0d\u662f\u5b64\u96f6\u96f6\u5730\u5b58\u5728\u3002\u76f8\u90bb\u7ebf\u3001\u76f8\u90bb\u5c42\u4ee5\u53ca\u53e6\u4e00\u7ed5\u7ec4\u7684\u78c1\u573a\uff0c\u4f1a\u8fdb\u4e00\u6b65\u6539\u53d8\u7535\u6d41\u5728\u5bfc\u4f53\u4e2d\u7684\u5206\u5e03\uff0c\u5f62\u6210\u90bb\u8fd1\u6548\u5e94\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5373\u4f7f\u5355\u6839\u7ebf\u76f4\u5f84\u770b\u8d77\u6765\u4e0d\u5927\uff0c\u591a\u5c42\u7ed5\u7ec4\u4ecd\u53ef\u80fd\u6709\u660e\u663e\u4ea4\u6d41\u635f\u8017\u3002\u53ea\u6309\u8d8b\u80a4\u6df1\u5ea6\u9009\u7ebf\uff0c\u5ffd\u7565\u5c42\u6570\u4e0e\u78c1\u573a\u5206\u5e03\uff0c\u53ef\u80fd\u5f97\u51fa\u8fc7\u4e8e\u4e50\u89c2\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u201c\u7528\u4e00\u6839\u7279\u522b\u7c97\u7684\u94dc\u7ebf\uff0c\u76f4\u6d41\u7535\u963b\u5f88\u4f4e\u201d\u5e76\u4e0d\u4e00\u5b9a\u610f\u5473\u7740\u9ad8\u9891\u7ed5\u7ec4\u53d1\u70ed\u66f4\u4f4e\u3002\u94dc\u7ebf\u53d8\u7c97\u540e\uff0c\u5982\u679c\u7535\u6d41\u53ea\u7528\u5230\u90e8\u5206\u622a\u9762\uff0c\u589e\u52a0\u7684\u94dc\u672a\u5fc5\u6709\u6548\uff0c\u8fd8\u53ef\u80fd\u8ba9\u7ed5\u7ec4\u66f4\u539a\u3001\u5e73\u5747\u531d\u957f\u66f4\u957f\u3002<\/p>\n<h3 id=\"113\">11.3 \u5229\u5179\u7ebf\u662f\u4ec0\u4e48\uff0c\u666e\u901a\u8f6f\u7ebf\u4e3a\u4ec0\u4e48\u4e0d\u7b49\u540c\u4e8e\u5229\u5179\u7ebf<\/h3>\n<p>\u5229\u5179\u7ebf\u901a\u5e38\u7531\u591a\u6839\u5f7c\u6b64\u7edd\u7f18\u7684\u7ec6\u5bfc\u7ebf\uff0c\u6309\u7167\u8bbe\u8ba1\u7ed3\u6784\u7ede\u5408\u6216\u6362\u4f4d\u7ec4\u6210\uff0c\u76ee\u6807\u662f\u6539\u5584\u9ad8\u9891\u7535\u6d41\u5206\u914d\u3002<\/p>\n<p>\u666e\u901a\u591a\u80a1\u8f6f\u7ebf\u7684\u7ec6\u94dc\u4e1d\u5f80\u5f80\u5f7c\u6b64\u63a5\u89e6\uff0c\u4ece\u7535\u78c1\u89d2\u5ea6\u770b\uff0c\u4e0d\u80fd\u7b80\u5355\u5f53\u6210\u6bcf\u80a1\u72ec\u7acb\u7edd\u7f18\u7684\u5229\u5179\u7ebf\u3002\u51e0\u6839\u6f06\u5305\u7ebf\u5e76\u7ed5\u53ef\u4ee5\u6539\u5584\u67d0\u4e9b\u60c5\u51b5\uff0c\u4f46\u5982\u679c\u6ca1\u6709\u9002\u5f53\u6362\u4f4d\uff0c\u4e5f\u4e0d\u4fdd\u8bc1\u6bcf\u6839\u7ebf\u5728\u7ed5\u7ec4\u78c1\u573a\u4e2d\u53d7\u5230\u76f8\u540c\u4f5c\u7528\u3002<\/p>\n<p>\u4f8b\u5982\u5e0c\u671b\u94dc\u9762\u79ef\u7ea6 0.4 mm\u00b2\uff0c\u7528 0.10 mm \u88f8\u7ebf\u9700\u8981\u7ea6 0.4\/0.00785\u224851 \u80a1\uff0c\u53ef\u4ee5\u4ece\u63a5\u8fd1\u7684\u6807\u51c6\u89c4\u683c\u8bc4\u4f30\u3002\u4f46\u6700\u7ec8\u8fd8\u8981\u68c0\u67e5\u80a1\u6570\u3001\u7ede\u5408\u7ed3\u6784\u3001\u5916\u5f84\u3001\u53ef\u710a\u6027\u3001\u635f\u8017\u548c\u6210\u672c\u3002\u4e0d\u662f\u7b97\u51fa\u201c51\u201d\u5c31\u5fc5\u987b\u81ea\u884c\u7f20\u6210 51 \u80a1\u3002<\/p>\n<h3 id=\"114\">11.4 \u94dc\u7b94\u4e0e\u6241\u7ebf\u9002\u5408\u4ec0\u4e48\u60c5\u51b5<\/h3>\n<p>\u5c11\u531d\u3001\u5927\u7535\u6d41\u7ed5\u7ec4\u53ef\u4ee5\u8003\u8651\u94dc\u7b94\u6216\u6241\u7ebf\u3002\u5b83\u4eec\u4fbf\u4e8e\u5728\u8f83\u5c0f\u5c42\u539a\u4e0b\u83b7\u5f97\u8f83\u5927\u94dc\u9762\u79ef\uff0c\u4f46\u94dc\u7b94\u5bbd\u5ea6\u3001\u539a\u5ea6\u3001\u5c42\u6570\u548c\u76f8\u5bf9\u78c1\u573a\u65b9\u5411\u90fd\u4f1a\u5f71\u54cd\u635f\u8017\u3002<\/p>\n<p>\u94dc\u7b94\u7aef\u90e8\u8981\u5904\u7406\u6bdb\u523a\u4e0e\u7edd\u7f18\uff0c\u710a\u63a5\u5f15\u51fa\u4e5f\u4e0d\u80fd\u6210\u4e3a\u74f6\u9888\uff1b\u94dc\u7b94\u8de8\u8d8a\u6c14\u9699\u9644\u8fd1\u5f3a\u8fb9\u7f18\u573a\u65f6\uff0c\u53ef\u80fd\u51fa\u73b0\u5c40\u90e8\u8fc7\u70ed\u3002\u4e0d\u8981\u56e0\u4e3a\u201c\u8584\u201d\u5c31\u81ea\u52a8\u8ba4\u4e3a\u4ea4\u6d41\u635f\u8017\u4e00\u5b9a\u5c0f\u3002<\/p>\n<h3 id=\"115\">11.5 \u65b9\u6ce2\u4e2d\u6709\u8c10\u6ce2\uff0c\u4e0d\u80fd\u53ea\u67e5\u4e00\u4e2a\u9891\u7387<\/h3>\n<p>\u5f00\u5173\u7535\u6d41\u4e0d\u662f\u7eaf\u6b63\u5f26\u3002\u66f4\u7ec6\u81f4\u7684\u94dc\u635f\u8ba1\u7b97\u53ef\u4ee5\u5c06\u7535\u6d41\u5206\u89e3\u4e3a\u76f4\u6d41\u4e0e\u5404\u6b21\u8c10\u6ce2\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>P<sub>cu<\/sub> \u2248 I<sub>dc<\/sub>\u00b2R<sub>dc<\/sub> + \u03a3 I<sub>h,rms<\/sub>\u00b2R<sub>ac<\/sub>(hf\u2080)<\/strong><\/p>\n<p>\u5176\u4e2d h \u8868\u793a\u7b2c h \u6b21\u8c10\u6ce2\uff0cRac \u968f\u9891\u7387\u548c\u7ed5\u7ec4\u7ed3\u6784\u6539\u53d8\u3002\u5165\u95e8\u65f6\u53ef\u4ee5\u5148\u7b97 Irms\u00b2Rdc \u4f5c\u4e3a\u57fa\u7840\uff0c\u518d\u660e\u786e\u5217\u51fa\u201c\u4ea4\u6d41\u589e\u91cf\u5c1a\u672a\u8ba1\u7b97\u201d\uff0c\u6700\u540e\u901a\u8fc7\u5408\u9002\u7684\u6a21\u578b\u548c\u5b9e\u9645\u6e29\u5347\u8865\u9f50\u3002<\/p>\n<p>\u7528\u4e00\u4e2a\u968f\u624b\u731c\u7684\u201c\u9ad8\u9891\u635f\u8017\u4e58\u4e8c\u201d\u66ff\u4ee3\u6240\u6709\u5206\u6790\uff0c\u65e2\u53ef\u80fd\u8fc7\u5ea6\u4fdd\u5b88\uff0c\u4e5f\u53ef\u80fd\u4e25\u91cd\u4f4e\u4f30\u70ed\u70b9\u3002\u8ba1\u7b97\u8868\u4e2d\u5e94\u6807\u660e\u8fd9\u4e2a\u7cfb\u6570\u6765\u81ea\u6d4b\u91cf\u3001\u5382\u5bb6\u6a21\u578b\u8fd8\u662f\u4ec5\u7528\u4e8e\u654f\u611f\u6027\u5206\u6790\u3002<\/p>\n<h2 id=\"_11\">\u5341\u4e8c\u3001\u7ed5\u5f97\u4e0b\u5417\uff1a\u7a97\u53e3\u3001\u586b\u5145\u7387\u4e0e\u5b9e\u9645\u6392\u7ebf<\/h2>\n<h3 id=\"121\">12.1 \u9762\u79ef\u591f\u5927\uff0c\u4e0d\u7b49\u4e8e\u4e00\u5b9a\u80fd\u7ed5\u597d<\/h3>\n<p>\u9009\u78c1\u82af\u81f3\u5c11\u540c\u65f6\u770b\u78c1\u622a\u9762\u4e0e\u7ed5\u7ebf\u7a97\u53e3\u3002\u78c1\u622a\u9762\u4e0d\u8db3\u4f1a\u4f7f\u78c1\u5bc6\u504f\u9ad8\uff1b\u7a97\u53e3\u4e0d\u8db3\u5219\u5bfc\u81f4\u94dc\u7ebf\u3001\u7edd\u7f18\u548c\u7ed5\u7ec4\u653e\u4e0d\u8fdb\u53bb\u3002<\/p>\n<p>\u5148\u505a\u94dc\u9762\u79ef\u5360\u7a97\u68c0\u67e5\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u03a3(N<sub>i<\/sub>A<sub>cu,i<\/sub>) \u2264 K<sub>u<\/sub>A<sub>w<\/sub><\/strong><\/p>\n<p>Ni \u662f\u5404\u7ed5\u7ec4\u531d\u6570\uff0cAcu,i \u662f\u8be5\u7ed5\u7ec4\u6bcf\u531d\u6240\u6709\u5e76\u8054\u5bfc\u4f53\u7684\u603b\u94dc\u9762\u79ef\uff0cKu \u662f\u6309\u672c\u6587\u7a97\u53e3\u5b9a\u4e49\u8ba1\u7b97\u7684\u94dc\u586b\u5145\u7387\u3002\u5b83\u628a\u6f06\u76ae\u3001\u7ed5\u7ec4\u95f4\u7edd\u7f18\u3001\u7a7a\u9699\u53ca\u5fc5\u8981\u4f59\u91cf\u7eb3\u5165\u8003\u8651\u3002<\/p>\n<p>\u6bd4\u5982 Aw=60 mm\u00b2\uff0c\u521d\u6b65\u76ee\u6807 Ku=0.25\uff0c\u53ef\u5206\u914d\u7684\u88f8\u94dc\u5360\u7a97\u603b\u91cf\u4e3a 15 mm\u00b2\u3002\u82e5\u521d\u7ea7 20 \u531d\uff0c\u6bcf\u531d\u94dc\u9762\u79ef 0.3 mm\u00b2\uff0c\u5360 6 mm\u00b2\uff1b\u6b21\u7ea7 10 \u531d\uff0c\u6bcf\u531d 0.6 mm\u00b2\uff0c\u5360 6 mm\u00b2\uff0c\u603b\u5171 12 mm\u00b2\uff0c\u94dc\u9762\u79ef\u68c0\u67e5\u901a\u8fc7\u3002<\/p>\n<p>\u8fd9\u91cc 0.25 \u662f\u6559\u5b66\u5047\u8bbe\uff0c\u4e0d\u662f\u6240\u6709\u78c1\u4ef6\u7684\u89c4\u5b9a\u503c\u3002\u5c24\u5176\u8981\u907f\u514d\u91cd\u590d\u6263\u9664\uff1a\u5982\u679c Aw \u5df2\u662f\u6263\u9664\u8fb9\u7f18\u7edd\u7f18\u540e\u7684\u51c0\u7a97\u53e3\uff0cKu \u4e2d\u5c31\u4e0d\u8981\u518d\u6b21\u6309\u540c\u6837\u65b9\u5f0f\u91cd\u590d\u6263\u9664\uff0c\u53cd\u8fc7\u6765\u4e5f\u4e0d\u80fd\u6f0f\u6389\u3002<\/p>\n<h3 id=\"122\">12.2 \u518d\u505a\u9010\u5c42\u51e0\u4f55\u68c0\u67e5<\/h3>\n<p>\u5047\u8bbe\u4e00\u4e2a\u7ed5\u7ebf\u69fd\u51c0\u5bbd 12 mm\uff0c\u6263\u6389\u4e24\u4fa7\u5de5\u827a\u4f59\u91cf\u540e\u53ef\u6392\u5bbd\u5ea6\u4e3a 10 mm\uff0c\u542b\u6f06\u7ebf\u6700\u5927\u5916\u5f84 0.55 mm\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u6bcf\u5c42\u531d\u6570 \u2248 floor(10\/0.55) = 18 \u531d<\/strong><\/p>\n<p>\u82e5\u7ed5\u7ec4\u9700\u8981 40 \u531d\uff0c\u81f3\u5c11\u4e09\u5c42\u3002\u4e09\u5c42\u5bfc\u7ebf\u7684\u7406\u60f3\u539a\u5ea6\u7ea6\u4e3a 3\u00d70.55=1.65 mm\uff0c\u8fd8\u8981\u52a0\u5c42\u95f4\u7edd\u7f18\u3001\u4ea4\u53c9\u7ebf\u3001\u5f15\u51fa\u7ebf\u3001\u8d77\u7ed5\u4e0e\u6536\u5c3e\u5360\u7528\u548c\u5b9e\u9645\u4e0d\u5e73\u6574\u3002<\/p>\n<p>\u5916\u5c42\u6bcf\u531d\u957f\u5ea6\u6bd4\u5185\u5c42\u66f4\u957f\uff0c\u6240\u4ee5\u7535\u963b\u7cbe\u7b97\u5e94\u6309\u5404\u5c42\u957f\u5ea6\u7d2f\u52a0\uff0c\u800c\u4e0d\u662f\u5168\u90e8\u4f7f\u7528\u6700\u5185\u5c42\u5468\u957f\u3002\u521d\u7b97\u53ef\u4ee5\u7528\u5e73\u5747\u531d\u957f\uff0c\u7cbe\u7b97\u65f6\u518d\u7ec6\u5206\u3002<\/p>\n<h3 id=\"123\">12.3 \u7ed5\u7ebf\u56fe\u81f3\u5c11\u8981\u5199\u6e05\u54ea\u4e9b\u4fe1\u606f<\/h3>\n<p>\u4e00\u5f20\u53ef\u4ee5\u4ea4\u7ed9\u522b\u4eba\u590d\u73b0\u7684\u7ed5\u7ebf\u8bf4\u660e\uff0c\u5e94\u660e\u786e\uff1a\u9aa8\u67b6\u53ca\u5f15\u811a\u5b9a\u4e49\u3001\u78c1\u82af\u6750\u6599\u3001\u6c14\u9699\u6216 AL\u3001\u6bcf\u7ec4\u531d\u6570\u3001\u5bfc\u7ebf\u89c4\u683c\u3001\u80a1\u6570\u3001\u8d77\u6b62\u5f15\u811a\u3001\u7ed5\u5411\u3001\u540c\u540d\u7aef\u3001\u5c42\u6570\u3001\u7edd\u7f18\u6750\u6599\u3001\u8fb9\u7f18\u7559\u91cf\u3001\u5c4f\u853d\u8fde\u63a5\u548c\u68c0\u9a8c\u6761\u4ef6\u3002<\/p>\n<p>\u201c\u521d\u7ea7 20 \u531d\uff0c\u6b21\u7ea7 10 \u531d\u201d\u53ea\u662f\u4e00\u5c0f\u90e8\u5206\u4fe1\u606f\u3002\u6f0f\u6389\u8d77\u6b62\u65b9\u5411\uff0c\u53ef\u80fd\u8ba9\u6574\u6d41\u65f6\u5e8f\u5b8c\u5168\u9519\u8bef\uff1b\u6f0f\u6389\u6f06\u819c\u5916\u5f84\uff0c\u53ef\u80fd\u6279\u91cf\u751f\u4ea7\u65f6\u7ed5\u4e0d\u4e0b\uff1b\u6f0f\u6389\u6d4b\u8bd5\u9891\u7387\uff0c\u53ef\u80fd\u4e0d\u540c\u5de5\u5382\u6d4b\u51fa\u7684\u7535\u611f\u4e0d\u4e00\u81f4\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-08-winding.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"display:block;max-width:100%;height:auto;margin:26px auto\" loading=\"lazy\" alt=\"\u666e\u901a\u53e0\u7ed5\u4e0e\u5206\u6bb5\u4ea4\u9519\u7ed5\u6cd5\uff1a\u6f0f\u611f\u3001\u7535\u5bb9\u548c\u7edd\u7f18\u7684\u6743\u8861\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-08-winding.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<h3 id=\"124\">12.4 \u4e09\u660e\u6cbb\u7ed5\u6cd5\u4e3a\u4ec0\u4e48\u6709\u5229\u4e5f\u6709\u4ee3\u4ef7<\/h3>\n<p>\u628a\u521d\u7ea7\u5206\u6210\u4e24\u6bb5\uff0c\u91c7\u7528 P1\u2014S\u2014P2 \u7684\u4ea4\u9519\u7ed3\u6784\uff0c\u5e38\u53ef\u4ee5\u7f29\u77ed\u521d\u6b21\u7ea7\u4e4b\u95f4\u7684\u78c1\u573a\u8def\u5f84\u3001\u964d\u4f4e\u6f0f\u611f\u3002\u4f46\u540c\u65f6\u4f1a\u589e\u52a0\u76f8\u90bb\u7ed5\u7ec4\u754c\u9762\uff0c\u53ef\u80fd\u63d0\u9ad8\u521d\u6b21\u7ea7\u5bc4\u751f\u7535\u5bb9\uff0c\u6539\u53d8\u5171\u6a21\u5e72\u6270\uff0c\u5e76\u4f7f\u7edd\u7f18\u7ed3\u6784\u66f4\u52a0\u590d\u6742\u3002<\/p>\n<p>\u5982\u679c\u91c7\u7528\u4e24\u6bb5\u521d\u7ea7\u4e32\u8054\uff0c\u531d\u6570\u662f\u4e24\u6bb5\u4e4b\u548c\uff0c\u5fc5\u987b\u6b63\u786e\u8fde\u63a5\u4f7f\u78c1\u5316\u65b9\u5411\u4e00\u81f4\u3002\u4e24\u6bb5\u5404 10 \u531d\u5e76\u4e0d\u610f\u5473\u7740\u5b83\u4eec\u53ef\u4ee5\u968f\u4fbf\u5e76\u8054\u6210\u201c20 \u531d\u201d\u3002<\/p>\n<p>\u5c4f\u853d\u5c42\u4e5f\u4e0d\u662f\u56f4\u4e00\u5708\u94dc\u76ae\u518d\u710a\u6210\u95ed\u73af\u3002\u82e5\u5c4f\u853d\u5bfc\u4f53\u5f62\u6210\u94fe\u63a5\u4e3b\u78c1\u901a\u7684\u95ed\u5408\u56de\u8def\uff0c\u5c31\u76f8\u5f53\u4e8e\u77ed\u8def\u7684\u4e00\u531d\uff0c\u4f1a\u4ea7\u751f\u5f88\u5927\u7535\u6d41\u3002\u5c4f\u853d\u7684\u5f00\u53e3\u3001\u63a5\u5730\u70b9\u53ca\u7edd\u7f18\u5e94\u6309\u8bbe\u8ba1\u8981\u6c42\u5904\u7406\u3002<\/p>\n<h2 id=\"_12\">\u5341\u4e09\u3001\u635f\u8017\u4e0e\u6e29\u5347\uff1a\u53d8\u538b\u5668\u4e3a\u4ec0\u4e48\u4f1a\u70ed<\/h2>\n<h3 id=\"131\">13.1 \u76f4\u6d41\u94dc\u635f\u5148\u7b97\u6e05\u695a<\/h3>\n<p>\u7ea6 20 \u2103\u94dc\u7684\u7535\u963b\u7387\u53ef\u8fd1\u4f3c\u91c7\u7528 0.01724 \u03a9\u00b7mm\u00b2\/m\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>R<sub>dc,20<\/sub> \u2248 0.01724 \u00d7 l[m] \/ A<sub>cu<\/sub>[mm\u00b2]<\/strong><\/p>\n<p>\u94dc\u7ebf\u957f 2 m\u3001\u94dc\u9762\u79ef 0.5 mm\u00b2\uff0c\u7535\u963b\u7ea6 0.06896 \u03a9\u3002\u82e5\u6709\u6548\u503c\u7535\u6d41\u4e3a 2 A\uff0c\u5219\u57fa\u7840\u94dc\u635f\u4e3a 2\u00b2\u00d70.06896\u22480.276 W\u3002<\/p>\n<p>\u957f\u5ea6\u7ffb\u500d\uff0c\u7535\u963b\u7ffb\u500d\uff1b\u94dc\u9762\u79ef\u7ffb\u500d\uff0c\u7535\u963b\u51cf\u534a\uff1b\u7535\u6d41\u7ffb\u500d\uff0c\u94dc\u635f\u53d8\u6210\u56db\u500d\u3002\u7535\u6d41\u4f30\u8ba1\u9519\u4e00\u70b9\u70b9\uff0c\u6709\u65f6\u6bd4\u7ebf\u957f\u4f30\u8ba1\u9519\u4e00\u70b9\u70b9\u66f4\u4e25\u91cd\u3002<\/p>\n<h3 id=\"132\">13.2 \u94dc\u8d8a\u70ed\uff0c\u7535\u963b\u8d8a\u5927<\/h3>\n<p>\u5728\u5e38\u89c1\u5de5\u7a0b\u6e29\u533a\u5185\uff0c\u53ef\u7528\u7ebf\u6027\u8fd1\u4f3c\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>R(T) \u2248 R(20 \u2103)[1+0.00393(T\u221220 \u2103)]<\/strong><\/p>\n<p>100 \u2103\u76f8\u5bf9\u4e8e 20 \u2103\uff0c\u94dc\u963b\u7ea6\u589e\u52a0 31.4%\u3002\u56e0\u6b64\u7528\u5ba4\u6e29\u7535\u963b\u8ba1\u7b97\u6ee1\u8f7d\u9ad8\u6e29\u94dc\u635f\uff0c\u4f1a\u4f4e\u4f30\u5b9e\u9645\u5de5\u4f5c\u635f\u8017\u3002<\/p>\n<p>\u66f4\u7a33\u59a5\u7684\u505a\u6cd5\u662f\u5148\u4f30\u4e00\u4e2a\u5de5\u4f5c\u6e29\u5ea6\uff0c\u7b97\u70ed\u6001\u7535\u963b\u548c\u635f\u8017\uff0c\u518d\u4f30\u6e29\u5347\uff0c\u770b\u5047\u8bbe\u662f\u5426\u4e00\u81f4\uff1b\u6837\u673a\u9636\u6bb5\u7528\u6d4b\u91cf\u66ff\u4ee3\u4e0d\u786e\u5b9a\u4f30\u8ba1\u3002<\/p>\n<h3 id=\"133\">13.3 \u78c1\u82af\u635f\u8017\u8981\u67e5\u6750\u6599\u66f2\u7ebf<\/h3>\n<p>\u82e5\u5382\u5bb6\u7ed9\u51fa\u5355\u4f4d\u4f53\u79ef\u635f\u8017 Pv\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>P<sub>core<\/sub> = P<sub>v<\/sub>V<sub>e<\/sub><\/strong><\/p>\n<p>\u5047\u8bbe\u67d0\u76ee\u6807\u5de5\u51b5\u4e0b\u7ecf\u9002\u7528\u6a21\u578b\u5f97\u5230 Pv=150 mW\/cm\u00b3\uff0cVe=4 cm\u00b3\uff0c\u5219 Pcore=0.60 W\u3002\u8fd9\u91cc\u7684 150 \u53ea\u662f\u7b97\u672f\u6f14\u793a\u503c\uff0c\u4e0d\u5bf9\u5e94\u672c\u6587\u67d0\u4e2a\u6750\u6599\u7684\u771f\u5b9e\u66f2\u7ebf\u3002<\/p>\n<p>\u67e5\u66f2\u7ebf\u5fc5\u987b\u540c\u65f6\u5339\u914d\u6750\u6599\u3001\u9891\u7387\u3001\u6e29\u5ea6\u3001\u78c1\u901a\u6ce2\u5f62\u548c\u78c1\u5bc6\u5b9a\u4e49\u3002\u6709\u7684\u66f2\u7ebf\u7528\u6b63\u5f26 B \u7684\u5cf0\u503c\uff0c\u6709\u7684\u5de5\u5177\u8981\u6c42\u5cf0\u5cf0\u503c\uff1b\u8f93\u5165\u5dee\u4e00\u500d\uff0c\u9884\u6d4b\u635f\u8017\u53ef\u80fd\u5dee\u5f88\u591a\u500d\u3002<\/p>\n<p>\u5e38\u89c1\u7ecf\u9a8c\u6a21\u578b\u5199\u6210 Pv=kf^\u03b1B^\u03b2\uff0c\u4f46 k\u3001\u03b1\u3001\u03b2 \u53d7\u6750\u6599\u3001\u6e29\u5ea6\u3001\u62df\u5408\u8303\u56f4\u4e0e\u5355\u4f4d\u5236\u5f71\u54cd\u3002\u4e0d\u8981\u4ece\u7f51\u4e0a\u6284\u4e09\u4e2a\u7cfb\u6570\uff0c\u518d\u628a Hz \u6362\u6210 kHz\u3001\u628a T \u6362\u6210 mT \u800c\u4e0d\u6539\u7cfb\u6570\u3002<\/p>\n<h3 id=\"134\">13.4 \u6e29\u5347\u4e0d\u662f\u4e00\u4e2a\u56fa\u5b9a\u201c\u6bcf\u74e6\u5347\u51e0\u5ea6\u201d\u7684\u5e38\u6570<\/h3>\n<p>\u521d\u6b65\u53ef\u4ee5\u5199\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u0394T \u2248 P<sub>loss<\/sub>R<sub>\u03b8<\/sub>\uff1bT<sub>hot<\/sub> \u2248 T<sub>ambient<\/sub>+\u0394T<\/strong><\/p>\n<p>R\u03b8 \u7684\u5355\u4f4d\u662f \u2103\/W\uff0c\u4ee3\u8868\u6307\u5b9a\u7ed3\u6784\u4e0b\u7684\u7b49\u6548\u70ed\u963b\u3002\u5b9e\u9645\u78c1\u82af\u548c\u7ed5\u7ec4\u662f\u591a\u4e2a\u5206\u5e03\u70ed\u6e90\uff0c\u70ed\u963b\u53d7\u9aa8\u67b6\u3001\u7edd\u7f18\u3001\u704c\u5c01\u3001\u98ce\u9053\u3001\u5b89\u88c5\u65b9\u5411\u548c\u5916\u58f3\u5f71\u54cd\u3002<\/p>\n<p>\u5982\u679c\u67d0\u4e2a\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u7ed3\u6784\u7b49\u6548\u70ed\u963b\u662f 18 \u2103\/W\uff0c\u603b\u635f\u8017 2 W\uff0c\u5219\u4f30\u8ba1\u6e29\u5347\u7ea6 36 \u2103\u3002\u73af\u5883\u4e3a 50 \u2103\u65f6\uff0c\u5bf9\u5e94\u70ed\u70b9\u4f30\u8ba1 86 \u2103\u3002\u5982\u679c\u628a\u5b83\u585e\u8fdb\u5bc6\u95ed\u76d2\u5b50\uff0c\u539f\u5148\u7684 18 \u2103\/W \u53ef\u80fd\u5c31\u4e0d\u6210\u7acb\u3002<\/p>\n<p>\u6750\u6599\u7edd\u7f18\u8010\u70ed\u7b49\u7ea7\u4e0d\u662f\u5141\u8bb8\u628a\u6240\u6709\u90e8\u4ef6\u957f\u671f\u8fd0\u884c\u5230\u90a3\u4e2a\u6e29\u5ea6\u7684\u7b80\u5355\u901a\u884c\u8bc1\u3002\u9aa8\u67b6\u3001\u80f6\u3001\u80f6\u5e26\u3001\u7ebf\u6750\u3001\u710a\u70b9\u3001\u9644\u8fd1\u7535\u5bb9\u53ca\u5b9e\u9645\u5bff\u547d\u76ee\u6807\u90fd\u8981\u4e00\u8d77\u8003\u8651\u3002<\/p>\n<h3 id=\"135\">13.5 \u531d\u6570\u4e3a\u4ec0\u4e48\u65e2\u4e0d\u80fd\u592a\u5c11\uff0c\u4e5f\u4e0d\u662f\u8d8a\u591a\u8d8a\u597d<\/h3>\n<p>\u51cf\u5c11\u531d\u6570\u53ef\u4ee5\u7f29\u77ed\u7ebf\u957f\u3001\u964d\u4f4e\u90e8\u5206\u94dc\u963b\uff0c\u4f46\u4f1a\u589e\u52a0\u78c1\u5bc6\u6446\u5e45\u548c\u52b1\u78c1\u7535\u6d41\uff0c\u53ef\u80fd\u63a8\u9ad8\u78c1\u82af\u635f\u8017\u3002\u589e\u52a0\u531d\u6570\u53ef\u4ee5\u964d\u4f4e\u78c1\u5bc6\uff0c\u5374\u5360\u636e\u66f4\u591a\u7a97\u53e3\uff1b\u82e5\u88ab\u8feb\u6539\u7528\u66f4\u7ec6\u7ebf\uff0c\u53c8\u4f1a\u589e\u5927\u94dc\u635f\u3002<\/p>\n<p>\u4f18\u5316\u7684\u76ee\u6807\u662f\u8ba9\u78c1\u5bc6\u3001\u635f\u8017\u3001\u7a97\u53e3\u3001\u6e29\u5347\u4e0e\u6210\u672c\u540c\u65f6\u6ee1\u8db3\u8981\u6c42\uff0c\u4e0d\u662f\u5355\u72ec\u628a\u67d0\u4e00\u4e2a\u6307\u6807\u538b\u5230\u6700\u4f4e\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-09-tradeoff.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"display:block;max-width:100%;height:auto;margin:26px auto\" loading=\"lazy\" alt=\"\u531d\u6570\u6539\u53d8\u65f6\u78c1\u5bc6\u3001\u78c1\u82af\u635f\u8017\u548c\u94dc\u635f\u7684\u6559\u5b66\u6743\u8861\u66f2\u7ebf\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-09-tradeoff.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<h2 id=\"50-hz\">\u5341\u56db\u3001\u5b8c\u6574\u7b97\u4f8b\u4e00\uff1a\u4f4e\u538b 50 Hz \u53d8\u538b\u5668\u7684\u531d\u6570\u4e0e\u7ebf\u5f84<\/h2>\n<p>\u8fd9\u4e2a\u7b97\u4f8b\u9009\u62e9 12 V \u4ea4\u6d41\u8f93\u5165\u30016 V \u4ea4\u6d41\u8f93\u51fa\uff0c\u76ee\u7684\u662f\u5b66\u4e60\u6b63\u5f26\u516c\u5f0f\u3002\u8f93\u5165\u6765\u81ea\u5408\u683c\u9694\u79bb\u7535\u6e90\uff0c\u4e0d\u6d89\u53ca\u81ea\u884c\u7ed5\u5236\u5e02\u7535\u521d\u7ea7\u3002\u6240\u6709\u78c1\u82af\u53c2\u6570\u662f\u5047\u8bbe\u7684\u6559\u5b66\u8bbe\u8ba1\u8f93\u5165\uff0c\u9700\u8981\u7528\u6240\u9009\u5b9e\u9645\u5668\u4ef6\u8d44\u6599\u66ff\u6362\u3002<\/p>\n<h3 id=\"141\">14.1 \u5148\u628a\u9700\u6c42\u5199\u5b8c\u6574<\/h3>\n<div style=\"overflow-x:auto;margin:20px 0\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.94em\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u9879\u76ee<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u6559\u5b66\u5047\u8bbe<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u8f93\u5165<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">12 V rms \u6b63\u5f26\uff0c\u6700\u9ad8 13.2 V<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6700\u4f4e\u9891\u7387<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">47 Hz<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u8f93\u51fa\u76ee\u6807<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7ea6 6 V rms\u30011 A\uff0c\u7535\u963b\u6027\u8d1f\u8f7d<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u78c1\u82af<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u9002\u7528\u4e8e\u5de5\u9891\u7684\u53e0\u7247\u6750\u6599<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6709\u6548\u78c1\u622a\u9762\u79ef Ae<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">400 mm\u00b2=4.0\u00d710\u207b\u2074 m\u00b2\uff0c\u5df2\u5305\u542b\u6709\u6548\u622a\u9762\u6982\u5ff5<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5141\u8bb8\u8bbe\u8ba1 Bpk<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">1.0 T\uff0c\u6559\u5b66\u5047\u8bbe\uff0c\u987b\u7531\u5b9e\u9645\u6750\u6599\u4e0e\u635f\u8017\u590d\u6838<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7ebf\u5f84\u521d\u7b97 J<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">2.5 A\/mm\u00b2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 id=\"142\">14.2 \u521d\u7ea7\u531d\u6570\u6309\u6700\u9ad8\u7535\u538b\u3001\u6700\u4f4e\u9891\u7387\u8ba1\u7b97<\/h3>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Np \u2265 13.2\/(4.44\u00d747\u00d74.0\u00d710\u207b\u2074\u00d71.0) \u2248 158.14 \u531d<\/strong><\/p>\n<p>\u53d6 160 \u531d\u3002\u56de\u4ee3\u6700\u574f\u6761\u4ef6\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Bpk \u2248 13.2\/(4.44\u00d747\u00d7160\u00d74.0\u00d710\u207b\u2074) \u2248 0.988 T<\/strong><\/p>\n<p>\u5728\u6807\u79f0 12 V\u300150 Hz \u4e0b\uff1aBpk\u22480.845 T\u3002\u4e24\u4e2a\u7ed3\u679c\u4e0d\u540c\uff0c\u662f\u56e0\u4e3a\u6700\u5927\u8f93\u5165\u7535\u538b\u548c\u6700\u4f4e\u9891\u7387\u7ec4\u5408\u4f1a\u4ea7\u751f\u66f4\u9ad8\u7684\u78c1\u5bc6\u3002<\/p>\n<h3 id=\"143\">14.3 \u6b21\u7ea7\u5148\u6309\u7406\u60f3\u531d\u6bd4\u4f30\u8ba1<\/h3>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Ns \u2248 Np\u00d7Vs\/Vp = 160\u00d76\/12 = 80 \u531d<\/strong><\/p>\n<p>80 \u531d\u5bf9\u5e94\u7684\u662f\u5ffd\u7565\u538b\u964d\u7684\u6807\u79f0\u6bd4\u4f8b\u3002\u5b9e\u9645\u6ee1\u8f7d\u65f6\u6709\u94dc\u963b\u548c\u6f0f\u6297\u538b\u964d\uff0c\u53ef\u80fd\u9700\u8981\u8c03\u6574\u6b21\u7ea7\u531d\u6570\uff0c\u4f46\u4e0d\u5e94\u4e00\u5f00\u59cb\u56fa\u5b9a\u5957\u7528\u201c\u591a\u7ed5\u767e\u5206\u4e4b\u5341\u201d\u3002\u5148\u4f30\u538b\u964d\uff0c\u518d\u6839\u636e\u7a7a\u8f7d\u3001\u6ee1\u8f7d\u7535\u538b\u548c\u6e29\u5347\u5b9e\u6d4b\u4fee\u6b63\u3002<\/p>\n<p>\u82e5\u5148\u505a 84 \u531d\u6837\u4ef6\uff0c\u7406\u60f3\u7a7a\u8f7d\u6807\u79f0\u8f93\u51fa\u7ea6\u4e3a 6.3 V\uff1b\u8f93\u5165\u4e0a\u5347\u65f6\u8f93\u51fa\u4e5f\u4f1a\u4e0a\u5347\u3002\u8fd9\u4e0d\u662f\u7a33\u538b\u7535\u6e90\uff0c\u4e0d\u80fd\u53ea\u770b\u6ee1\u8f7d\u65f6\u6070\u597d\u662f 6 V \u5c31\u5ffd\u7565\u9ad8\u8f93\u5165\u7a7a\u8f7d\u7535\u538b\u3002<\/p>\n<h3 id=\"144\">14.4 \u9009\u62e9\u5bfc\u7ebf<\/h3>\n<p>\u8f93\u51fa 6 VA\u3002\u5047\u8bbe\u7528\u4e8e\u521d\u7b97\u7684\u603b\u6548\u7387\u4e3a 85%\uff0c\u6807\u79f0\u8f93\u5165\u4e0b\u5bf9\u5e94\u6709\u529f\u7535\u6d41\u5206\u91cf\u7ea6 6\/(12\u00d70.85)=0.588 A\u3002\u4f46\u52b1\u78c1\u4e0e\u76f8\u4f4d\u4f1a\u5f71\u54cd\u5b9e\u9645\u521d\u7ea7\u6709\u6548\u503c\uff0c\u4e0d\u80fd\u8bf4\u8fd9\u4e2a\u503c\u5c31\u662f\u7cbe\u786e\u7684 Irms\u3002<\/p>\n<p>\u5148\u6309\u521d\u7ea7 Irms=0.65 A \u505a\u7ed5\u7ebf\u521d\u7b97\uff0c\u6700\u540e\u5fc5\u987b\u6d4b\u91cf\u590d\u6838\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Acu,p \u2265 0.65\/2.5 = 0.260 mm\u00b2\uff1bd \u2265 0.575 mm<\/strong><\/p>\n<p>\u53ef\u5148\u8bc4\u4f30 0.60 mm \u88f8\u94dc\u7ebf\uff0c\u94dc\u9762\u79ef\u7ea6 0.283 mm\u00b2\u3002\u6b21\u7ea7\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Acu,s \u2265 1\/2.5 = 0.400 mm\u00b2\uff1bd \u2265 0.714 mm<\/strong><\/p>\n<p>\u53ef\u5148\u8bc4\u4f30 0.75 mm \u88f8\u94dc\u7ebf\uff0c\u94dc\u9762\u79ef\u7ea6 0.442 mm\u00b2\u3002<\/p>\n<h3 id=\"145\">14.5 \u770b\u770b\u7a97\u53e3\u5360\u7528<\/h3>\n<p>\u6309 160 \u531d\u521d\u7ea7\u548c 84 \u531d\u6b21\u7ea7\uff0c\u88f8\u94dc\u5360\u7a97\u603b\u91cf\u7ea6\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>160\u00d70.283 + 84\u00d70.442 \u2248 82.4 mm\u00b2<\/strong><\/p>\n<p>\u82e5\u6309 Ku=0.30 \u7684\u6559\u5b66\u76ee\u6807\uff0c\u51c0\u53ef\u7ed5\u7a97\u53e3\u81f3\u5c11\u7ea6 82.4\/0.30=275 mm\u00b2\u3002\u8fd9\u91cc\u6ca1\u6709\u6307\u5b9a\u771f\u5b9e\u9aa8\u67b6\uff0c\u6240\u4ee5\u4e0d\u80fd\u5230\u6b64\u5ba3\u5e03\u201c\u4e00\u5b9a\u7ed5\u5f97\u4e0b\u201d\u3002\u9700\u8981\u627e\u6ee1\u8db3\u8981\u6c42\u7684\u9aa8\u67b6\uff0c\u6309\u6700\u5927\u7ebf\u5916\u5f84\u9010\u5c42\u6392\u7ebf\uff0c\u5e76\u68c0\u9a8c\u7edd\u7f18\u548c\u5f15\u7ebf\u3002<\/p>\n<h3 id=\"146\">14.6 \u8fd9\u4e2a\u7b97\u4f8b\u6559\u4f1a\u4e86\u4ec0\u4e48\uff0c\u53c8\u8fd8\u7f3a\u4ec0\u4e48<\/h3>\n<p>\u6211\u4eec\u5df2\u7ecf\u5b8c\u6210\uff1a\u6700\u574f\u4f0f\u79d2\u6761\u4ef6\u4e0b\u7684\u521d\u7ea7\u531d\u6570\u3001\u7406\u60f3\u531d\u6bd4\u3001\u521d\u6b65\u94dc\u9762\u79ef\u53ca\u7a97\u53e3\u9700\u6c42\u3002\u8fd8\u6ca1\u6709\u5b8c\u6210\uff1a\u5177\u4f53\u78c1\u82af\u6750\u6599\u7684\u635f\u8017\u3001\u771f\u5b9e\u5e73\u5747\u531d\u957f\u3001\u6e29\u5347\u3001\u6f0f\u6297\u3001\u7a7a\u8f7d\u7535\u6d41\u548c\u5b9e\u9645\u8f93\u51fa\u538b\u964d\u3002<\/p>\n<p>\u628a\u201c\u4f1a\u7b97\u531d\u6570\u201d\u4e0e\u201c\u5b8c\u6210\u53d8\u538b\u5668\u8bbe\u8ba1\u201d\u5206\u5f00\uff0c\u662f\u4ece\u521d\u5b66\u8d70\u5411\u5de5\u7a0b\u8bbe\u8ba1\u7684\u91cd\u8981\u4e00\u6b65\u3002<\/p>\n<h2 id=\"24-v100-khz\">\u5341\u4e94\u3001\u5b8c\u6574\u7b97\u4f8b\u4e8c\uff1a24 V\u3001100 kHz \u53cc\u6781\u6027\u5168\u6865\u53d8\u538b\u5668<\/h2>\n<p>\u6b64\u4f8b\u4e3b\u8981\u5c55\u793a\u9ad8\u9891\u53cc\u6781\u6027\u78c1\u901a\u4e0e\u531d\u6570\u3002\u91c7\u7528\u7406\u60f3\u5168\u6865\u5728\u521d\u7ea7\u65bd\u52a0\u5bf9\u79f0\u65b9\u6ce2\uff0c\u6b21\u7ea7\u7ecf\u5168\u6865\u6574\u6d41\u83b7\u5f97\u7ea6 12 V\uff1b\u4e0d\u662f\u4e00\u4efd\u5b8c\u6574\u7684\u7a33\u538b\u5f00\u5173\u7535\u6e90\u7535\u8def\u3002<\/p>\n<h3 id=\"151\">15.1 \u53c2\u6570\u4e0e\u9891\u7387\u5b9a\u4e49<\/h3>\n<div style=\"overflow-x:auto;margin:20px 0\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.94em\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u9879\u76ee<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u6559\u5b66\u5047\u8bbe<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u8f93\u5165\u6bcd\u7ebf<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6807\u79f0 24 V\uff0c\u6700\u9ad8 28 V<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u78c1\u5316\u5b8c\u6574\u5468\u671f\u9891\u7387<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">100 kHz\uff0c\u6700\u4f4e 90 kHz<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7ed5\u7ec4\u7535\u538b<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7406\u60f3 \u00b1Vin\uff0c\u5404\u6301\u7eed\u534a\u5468\u671f\uff1b\u5b9e\u9645\u6b7b\u533a\u548c\u63a7\u5236\u9700\u53e6\u67e5<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u8f93\u51fa\u76ee\u6807<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6807\u79f0\u6761\u4ef6\u4e0b\u7ea6 12 V\u30013 A<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Ae<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">80 mm\u00b2<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u8bbe\u8ba1\u5141\u8bb8 Bpk<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.15 T\uff0c\u5f85\u5b9e\u9645\u6750\u6599\u635f\u8017\u9a8c\u8bc1<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u521d\u7ea7\u7535\u611f<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5047\u8bbe\u6d4b\u5f97 Lm=500 \u03bcH\uff0c\u4ec5\u4f9b\u52b1\u78c1\u8ba1\u7b97<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u8fd9\u91cc 100 kHz \u6307\u4e00\u6574\u7ec4\u6b63\u8d1f\u8109\u51b2\u91cd\u590d\u4e00\u6b21\u7684\u9891\u7387\uff0c\u5468\u671f 10 \u03bcs\u3002\u5b83\u4e0d\u662f\u201c\u6bcf\u4e2a\u6865\u81c2\u6240\u6709\u8fb9\u6cbf\u52a0\u8d77\u6765\u6bcf\u79d2\u591a\u5c11\u6b21\u201d\u3002<\/p>\n<h3 id=\"152\">15.2 \u521d\u7ea7\u531d\u6570<\/h3>\n<p>\u6309 28 V\u300190 kHz\u30010.15 T\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Np \u2265 28\/(4\u00d790000\u00d780\u00d710\u207b\u2076\u00d70.15) \u2248 6.48 \u531d<\/strong><\/p>\n<p>\u6700\u5c0f\u6574\u6570\u662f 7 \u531d\u3002\u4e3a\u4e86\u4f7f\u7ea6 2:1 \u7684\u531d\u6bd4\u66f4\u65b9\u4fbf\uff0c\u9009 8 \u531d\u521d\u7ea7\u30014 \u531d\u6b21\u7ea7\uff0c\u5e76\u56de\u4ee3\u78c1\u5bc6\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Bpk,worst = 28\/(4\u00d790000\u00d78\u00d780\u00d710\u207b\u2076) \u2248 0.1215 T<\/strong><\/p>\n<p>\u6807\u79f0 24 V\u3001100 kHz \u65f6\uff0cBpk\u22480.09375 T\u3002\u8fd9\u4e2a\u201c8\/4\u201d\u6765\u81ea\u531d\u6570\u4e0b\u9650\u4e0e\u6574\u6570\u531d\u6bd4\u7684\u5171\u540c\u9009\u62e9\uff0c\u5e76\u4e0d\u662f\u4efb\u4f55 24 V \u9ad8\u9891\u53d8\u538b\u5668\u90fd\u5e94\u8be5\u7167\u6284\u7684\u914d\u7f6e\u3002<\/p>\n<h3 id=\"153-12-v\">15.3 \u8f93\u51fa\u4e3a\u4f55\u4e0d\u4e00\u5b9a\u6b63\u597d 12 V<\/h3>\n<p>\u7406\u60f3\u6b21\u7ea7\u65b9\u6ce2\u5e45\u503c\u4e3a 24\u00d74\/8=12 V\u3002\u5982\u679c\u4f7f\u7528\u4e8c\u6781\u7ba1\u6865\uff0c\u6bcf\u6b21\u901a\u5e38\u6709\u4e24\u53ea\u6574\u6d41\u4e8c\u6781\u7ba1\u5bfc\u901a\uff0c\u8fd8\u8981\u51cf\u53bb\u94dc\u635f\u548c\u5f00\u5173\u538b\u964d\uff0c\u6240\u4ee5\u5b9e\u9645\u8f93\u51fa\u4f4e\u4e8e\u7406\u60f3\u503c\u3002<\/p>\n<p>\u8f93\u5165\u5347\u5230 28 V \u65f6\uff0c\u7406\u60f3\u6b21\u7ea7\u5e45\u503c\u4e5f\u5347\u5230 14 V\u3002\u9700\u8981\u7a33\u538b\u65f6\uff0c\u8981\u8bbe\u8ba1 PWM\u3001\u8f93\u51fa\u6ee4\u6ce2\u548c\u63a7\u5236\u8303\u56f4\uff0c\u518d\u91cd\u65b0\u6838\u7b97\u6240\u6709\u8109\u51b2\u6761\u4ef6\uff1b\u4e0d\u80fd\u628a\u8fd9\u4e2a\u56fa\u5b9a\u5360\u7a7a\u6bd4\u6559\u5b66\u7b97\u4f8b\u5f53\u6210\u5df2\u7a33\u538b\u7684 12 V \u7535\u6e90\u3002<\/p>\n<h3 id=\"154\">15.4 \u521d\u6b21\u7ea7\u7535\u6d41\u521d\u7b97<\/h3>\n<p>\u5728\u7406\u60f3\u8fde\u7eed\u6574\u6d41\u3001\u5ffd\u7565\u6362\u6d41\u7ec6\u8282\u7684\u8fd1\u4f3c\u4e0b\uff0c\u6b21\u7ea7\u7535\u6d41\u5e45\u503c\u7ea6 3 A\uff0c\u521d\u7ea7\u8d1f\u8f7d\u5206\u91cf\u5e45\u503c\u7ea6\u4e3a (4\/8)\u00d73=1.5 A\u3002<\/p>\n<p>\u6807\u79f0\u6bcf\u534a\u5468\u671f\u7684\u52b1\u78c1\u7535\u6d41\u53d8\u5316\u91cf\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u0394Im = 24\u00d75 \u03bcs\/500 \u03bcH = 0.24 A<\/strong><\/p>\n<p>\u5bf9\u79f0\u65e0\u504f\u7f6e\u65f6\uff0c\u52b1\u78c1\u4e09\u89d2\u6ce2\u5cf0\u503c\u7ea6 0.12 A\uff0c\u6709\u6548\u503c\u7ea6 0.12\/\u221a3=0.069 A\u3002\u7406\u60f3\u5bf9\u79f0\u60c5\u51b5\u4e0b\uff0c\u53ef\u5408\u6210\u521d\u7ea7\u6709\u6548\u503c\u7ea6 \u221a(1.5\u00b2+0.069\u00b2)=1.502 A\u3002\u771f\u5b9e PWM \u6ce2\u5f62\u4e0b\u5e94\u5bf9\u5b9e\u9645\u7535\u6d41\u76f4\u63a5\u79ef\u5206\uff0c\u4e0d\u80fd\u4e0d\u68c0\u67e5\u5c31\u7528\u5747\u65b9\u6839\u76f8\u52a0\u3002<\/p>\n<h3 id=\"155\">15.5 \u7ebf\u6750\u521d\u9009\u4e0e\u9ad8\u9891\u68c0\u67e5<\/h3>\n<p>\u53d6 J=3 A\/mm\u00b2\uff0c\u5219\u521d\u7ea7\u94dc\u9762\u79ef\u9700\u6c42\u7ea6 0.501 mm\u00b2\uff0c\u6b21\u7ea7\u7ea6 1.00 mm\u00b2\u3002100 kHz \u65f6\u8d8b\u80a4\u6df1\u5ea6\u7ea6 0.209 mm\uff0c\u82e5\u76f4\u63a5\u91c7\u7528\u7b49\u9762\u79ef\u7684\u5927\u5355\u7ebf\uff0c\u9700\u8981\u8ba4\u771f\u8bc4\u4f30\u4ea4\u6d41\u7535\u963b\u3002<\/p>\n<p>\u4f5c\u4e3a\u5019\u9009\uff0c\u53ef\u4ee5\u8003\u8651\u6bcf\u80a1\u88f8\u5f84 0.20 mm \u7684\u9002\u5f53\u9ad8\u9891\u7ebf\u6750\uff1a\u6bcf\u80a1\u9762\u79ef 0.0314 mm\u00b2\uff0c\u521d\u7ea7 18 \u80a1\u7ea6 0.565 mm\u00b2\uff0c\u6b21\u7ea7 36 \u80a1\u7ea6 1.131 mm\u00b2\u3002\u662f\u5426\u91c7\u7528\u73b0\u6210\u5229\u5179\u7ebf\u3001\u5e76\u7ed5\u6216\u94dc\u7b94\uff0c\u5e94\u770b\u7ed3\u6784\u3001\u635f\u8017\u4e0e\u53ef\u5236\u9020\u6027\uff1b\u8fd9\u4e2a\u80a1\u6570\u8ba1\u7b97\u4e0d\u6784\u6210\u9ad8\u9891\u635f\u8017\u5df2\u7ecf\u5408\u683c\u7684\u8bc1\u660e\u3002<\/p>\n<p>\u88f8\u94dc\u5360\u7a97\u603b\u91cf\u7ea6 8\u00d70.565+4\u00d71.131=9.05 mm\u00b2\u3002\u82e5\u5b9e\u9645\u9aa8\u67b6\u51c0\u7a97\u53e3\u4e3a 50 mm\u00b2\uff0c\u5219\u7eaf\u94dc\u586b\u5145\u7387\u7ea6 18.1%\uff1b\u8fd8\u9700\u8981\u6838\u5bf9\u7ebf\u675f\u5916\u5f84\u3001\u7edd\u7f18\u3001\u7aef\u63a5\u548c\u5206\u5c42\u3002<\/p>\n<h3 id=\"156\">15.6 \u6700\u540e\u5fc5\u987b\u8865\u4e0a\u7684\u8bbe\u8ba1\u8fb9\u754c<\/h3>\n<p>\u9700\u8981\u68c0\u67e5\u6b63\u8d1f\u8109\u51b2\u4e0d\u5bf9\u79f0\u3001\u542f\u52a8\u78c1\u901a\u504f\u7f6e\u3001\u6b7b\u533a\u6362\u6d41\u3001\u6574\u6d41\u53cd\u5411\u6062\u590d\u3001\u6f0f\u611f\u5c16\u5cf0\u3001\u7a7a\u8f7d\u52b1\u78c1\u4e0e\u70ed\u6001\u635f\u8017\u3002\u6865\u5f0f\u7535\u8def\u4e2d\uff0c\u9a71\u52a8\u76f4\u901a\u5c5e\u4e8e\u53e6\u4e00\u4e2a\u72ec\u7acb\u98ce\u9669\uff0c\u78c1\u82af\u4e0d\u9971\u548c\u5e76\u4e0d\u610f\u5473\u7740\u6865\u81c2\u53ef\u4ee5\u5ffd\u7565\u6b7b\u533a\u3002<\/p>\n<p>\u8fd9\u4e2a\u7b97\u4f8b\u7684\u6838\u5fc3\u6536\u83b7\u662f\uff1a<strong>\u5148\u786e\u5b9a\u5b9e\u9645\u7ed5\u7ec4\u7535\u538b\u4e0e\u5b8c\u6574\u78c1\u5316\u5468\u671f\uff0c\u518d\u7b97\u531d\u6570\uff1b\u5148\u753b\u771f\u5b9e\u7535\u6d41\u6ce2\u5f62\uff0c\u518d\u9009\u7ebf\u5f84\u3002<\/strong><\/p>\n<h2 id=\"24-v-12-v12-w-dcm\">\u5341\u516d\u3001\u5b8c\u6574\u7b97\u4f8b\u4e09\uff1a24 V \u8f6c 12 V\u300112 W \u7684 DCM \u53cd\u6fc0\u78c1\u4ef6<\/h2>\n<p>\u53cd\u6fc0\u662f\u6700\u5bb9\u6613\u628a\u51e0\u4e2a\u6982\u5ff5\u6df7\u5728\u4e00\u8d77\u7684\u5730\u65b9\u3002\u672c\u4f8b\u7528\u660e\u786e\u7684\u65ad\u7eed\u7535\u6d41\u6a21\u5f0f DCM\uff0c\u9010\u6b65\u628a\u529f\u7387\u3001\u50a8\u80fd\u3001\u52b1\u78c1\u7535\u611f\u3001\u531d\u6570\u3001\u6c14\u9699\u548c\u7ebf\u5f84\u8fde\u63a5\u8d77\u6765\u3002<\/p>\n<p>\u8fd9\u91cc\u4ec5\u5b8c\u6210\u4f4e\u538b\u53cd\u6fc0\u78c1\u4ef6\u53ca\u4e3b\u8981\u7406\u60f3\u5e94\u529b\u7684\u6559\u5b66\u521d\u7b97\u3002\u63a7\u5236\u5668\u3001\u8865\u507f\u3001MOSFET \u9a71\u52a8\u3001\u7b9d\u4f4d\u3001\u8f93\u51fa\u7535\u5bb9\u53ca\u6545\u969c\u4fdd\u62a4\u4e0d\u5728\u672c\u7b97\u4f8b\u4e2d\u5b8c\u6574\u5c55\u5f00\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-10-flyback.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"display:block;max-width:100%;height:auto;margin:26px auto\" loading=\"lazy\" alt=\"\u53cd\u6fc0\u50a8\u80fd\u4e0e\u653e\u80fd\u9636\u6bb5\u7684\u7535\u8def\u5173\u7cfb\u53ca\u7ed5\u7ec4\u7535\u6d41\u6ce2\u5f62\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-10-flyback.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<h3 id=\"161\">16.1 \u7ed9\u51fa\u8bbe\u8ba1\u6761\u4ef6<\/h3>\n<div style=\"overflow-x:auto;margin:20px 0\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.94em\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u53c2\u6570<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u6570\u503c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u8f93\u5165\u8303\u56f4<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">18\uff5e30 V\uff0c\u6807\u79f0 24 V<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u8f93\u51fa<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">12 V\u30011 A\uff0c\u5373 12 W<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5f00\u5173\u9891\u7387 fs<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">100 kHz\uff0cT=10 \u03bcs<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6700\u4f4e\u8f93\u5165\u6ee1\u8f7d\u5bfc\u901a\u5360\u7a7a\u6bd4 D<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.40<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u529f\u7387\u9884\u7b97\u6548\u7387 \u03b7budget<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.85\uff0c\u4f5c\u4e3a\u50a8\u80fd\u521d\u7b97\u88d5\u91cf\u7684\u8fd1\u4f3c\u5047\u8bbe<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6574\u6d41\u4e8c\u6781\u7ba1\u538b\u964d<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6682\u53d6 0.5 V<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u78c1\u82af\u6709\u6548\u622a\u9762\u79ef Ae<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">50 mm\u00b2<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6559\u5b66\u5141\u8bb8\u6b63\u5411\u78c1\u5bc6\u53d8\u5316 \u0394B<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">0.18 T\uff0c\u7edd\u5bf9\u5cf0\u503c\u53e6\u7559\u5269\u78c1\u4e0e\u516c\u5dee\u4f59\u91cf<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u62d3\u6251<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u4f4e\u4fa7\u5f00\u5173\u53cd\u6fc0\uff0c\u7ebf\u6027 DCM \u521d\u7b97<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u6548\u7387\u9884\u7b97\u53ea\u662f\u628a\u5b9e\u9645\u635f\u8017\u7c97\u7565\u6298\u7b97\u8fdb\u521d\u7b97\uff0c\u4e0d\u4ee3\u8868\u6240\u6709\u635f\u8017\u771f\u7684\u53d1\u751f\u5728\u540c\u4e00\u4e2a\u90e8\u4ef6\u3002\u540e\u9762\u5c06\u660e\u786e\u68c0\u67e5\u7406\u60f3\u4f20\u80fd\u7ed3\u679c\u4e0e\u5b9e\u9645\u76ee\u6807\u4e4b\u95f4\u7684\u5dee\u522b\u3002<\/p>\n<h3 id=\"162\">16.2 \u6bcf\u5468\u671f\u9700\u8981\u7684\u50a8\u80fd\u9884\u7b97<\/h3>\n<p>\u5148\u4f30\u8f93\u5165\u529f\u7387\u9884\u7b97\uff1aPin,budget=12\/0.85\u224814.12 W\u3002DCM \u4e2d\uff0c\u82e5\u6bcf\u5468\u671f\u52b1\u78c1\u7535\u6d41\u90fd\u4ece\u96f6\u5f00\u59cb\u5e76\u5b8c\u5168\u91ca\u653e\uff0c\u53ef\u4ee5\u7528\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Ebudget \u2248 Pout\/(\u03b7budget fs) \u2248 12\/(0.85\u00d7100000) = 141.2 \u03bcJ<\/strong><\/p>\n<p>\u8fd9\u4e00\u6b65\u6682\u4e0d\u8003\u8651\u5177\u4f53\u80fd\u91cf\u635f\u5931\u8def\u5f84\uff0c\u53ea\u7ed9\u51fa\u8bbe\u8ba1\u521d\u503c\u3002<\/p>\n<h3 id=\"163\">16.3 \u6839\u636e\u5bfc\u901a\u65f6\u95f4\u6c42\u5cf0\u503c\u7535\u6d41<\/h3>\n<p>\u4f4e\u8f93\u5165\u65f6 ton=D\/fs=4 \u03bcs\u3002\u521d\u7ea7\u7535\u6d41\u4ece 0 \u7ebf\u6027\u4e0a\u5347\u5230 Ipk\uff0c\u8f93\u5165\u5e73\u5747\u7535\u6d41\u4e3a IpkD\/2\uff0c\u4e8e\u662f\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Ipk \u2248 2Pin,budget\/(Vin,min D) = 2\u00d714.12\/(18\u00d70.40) \u2248 3.922 A<\/strong><\/p>\n<p>\u6b64\u5904\u662f\u4e09\u89d2\u6ce2\u9762\u79ef\u5173\u7cfb\u3002\u6ca1\u6709\u7528\u201c\u8f93\u51fa 1 A\uff0c\u6240\u4ee5\u521d\u7ea7\u4e5f\u6309 1 A\u201d\u8fd9\u79cd\u9519\u8bef\u7b80\u5316\u3002<\/p>\n<h3 id=\"164\">16.4 \u6c42\u52b1\u78c1\u7535\u611f<\/h3>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Lm = Vin,min ton\/Ipk \u2248 18\u00d74 \u03bcs\/3.922 A \u2248 18.36 \u03bcH<\/strong><\/p>\n<p>\u56de\u7b97\u50a8\u80fd\uff1a\u00bd\u00d718.36 \u03bcH\u00d73.922\u00b2\u2248141.2 \u03bcJ\uff0c\u548c\u524d\u4e00\u6b65\u4e00\u81f4\u3002\u4e24\u6761\u8def\u5f84\u7b97\u51fa\u76f8\u540c\u7ed3\u679c\uff0c\u662f\u68c0\u67e5\u5355\u4f4d\u4e0e\u516c\u5f0f\u662f\u5426\u7528\u5bf9\u7684\u597d\u529e\u6cd5\u3002<\/p>\n<h3 id=\"165\">16.5 \u6c42\u521d\u7ea7\u531d\u6570\uff0c\u518d\u56de\u4ee3\u78c1\u5bc6<\/h3>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Np \u2265 18\u00d74\/(50\u00d70.18) = 8 \u531d<\/strong><\/p>\n<p>\u5982\u679c\u53ea\u6309\u540d\u4e49\u503c\uff0c8 \u531d\u6070\u597d\u5230\u8fb9\u754c\uff0c\u4f59\u91cf\u4e0d\u8db3\u3002\u6559\u5b66\u65b9\u6848\u9009 10 \u531d\uff0c\u5e76\u590d\u7b97\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u0394B = 18\u00d74\/(10\u00d750) = 0.144 T<\/strong><\/p>\n<p>\u4e5f\u53ef\u4ece\u7ebf\u6027\u7535\u611f\u6a21\u578b\u6838\u5bf9\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u0394B \u2248 Lm Ipk\/(Np Ae) = 18.36\u00d73.922\/(10\u00d750) \u2248 0.144 T<\/strong><\/p>\n<p>\u8fd9\u91cc\u4f7f\u7528 \u03bcH\u3001mm\u00b2 \u7684\u76f8\u6d88\u5355\u4f4d\u3002\u771f\u5b9e\u5cf0\u503c B \u8fd8\u8981\u8003\u8651\u5269\u78c1\u548c\u8d77\u70b9\uff0c\u4e0d\u5e94\u628a 0.144 T \u5f53\u6210\u4efb\u4f55\u72b6\u6001\u4e0b\u7684\u7edd\u5bf9\u78c1\u5bc6\u4e0a\u9650\u3002<\/p>\n<h3 id=\"166\">16.6 \u9009\u62e9\u6b21\u7ea7\u531d\u6570\u4e0e\u53cd\u5c04\u7535\u538b<\/h3>\n<p>\u53d6 Ns=7 \u531d\uff0cn=Np\/Ns=10\/7\u22481.429\u3002\u5173\u65ad\u6b21\u7ea7\u5bfc\u901a\u671f\u95f4\uff0c\u8f93\u51fa\u7535\u538b\u53cd\u5c04\u5230\u521d\u7ea7\u7684\u5e45\u503c\u7ea6\u4e3a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>VR = n(Vout+VF) \u2248 (10\/7)\u00d712.5 \u2248 17.86 V<\/strong><\/p>\n<p>\u4f4e\u8f93\u5165\u65f6\uff0c\u6b63\u5411\u4f0f\u79d2\u4e3a 18\u00d74=72 V\u00b7\u03bcs\uff0c\u56e0\u6b64\u7406\u60f3\u9000\u78c1\u65f6\u95f4\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>tdemag = Vin ton\/VR = 72\/17.86 \u2248 4.032 \u03bcs<\/strong><\/p>\n<p>\u4e00\u5468\u671f 10 \u03bcs\uff0c\u5bfc\u901a 4 \u03bcs\u3001\u9000\u78c1 4.032 \u03bcs\uff0c\u5269\u4f59\u7ea6 1.968 \u03bcs\uff0c\u540d\u4e49\u5de5\u51b5\u6ee1\u8db3 DCM \u7684\u96f6\u7535\u6d41\u95f4\u9694\u8981\u6c42\u3002<\/p>\n<p>\u9ad8\u8f93\u5165\u7ef4\u6301\u76f8\u540c\u5cf0\u503c\u7535\u6d41\u65f6\uff0cton\u2248LmIpk\/30\u22482.4 \u03bcs\uff0c\u9000\u78c1\u65f6\u95f4\u4ecd\u7ea6 4.032 \u03bcs\uff0c\u96f6\u7535\u6d41\u95f4\u9694\u66f4\u957f\u3002\u82e5\u63a7\u5236\u5668\u5728\u9ad8\u8f93\u5165\u65f6\u4ecd\u5141\u8bb8\u8fc7\u957f\u5bfc\u901a\uff0c\u60c5\u51b5\u5c31\u4e0d\u540c\uff0c\u6240\u4ee5\u5fc5\u987b\u6821\u9a8c\u771f\u5b9e\u9650\u6d41\u3001\u6700\u5927\u5bfc\u901a\u65f6\u95f4\u53ca\u5f02\u5e38\u6761\u4ef6\u3002<\/p>\n<h3 id=\"167\">16.7 \u521d\u7ea7\u548c\u6b21\u7ea7\u7684\u6709\u6548\u503c\u7535\u6d41<\/h3>\n<p>\u521d\u7ea7\u4e09\u89d2\u6ce2\u6301\u7eed D=0.40\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Ip,rms = Ipk\u221a(D\/3) \u2248 3.922\u221a(0.40\/3) \u2248 1.432 A<\/strong><\/p>\n<p>\u6b21\u7ea7\u7535\u6d41\u8d77\u59cb\u5cf0\u503c\u7ea6\u4e3a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Is,pk = nIpk \u2248 1.429\u00d73.922 = 5.602 A<\/strong><\/p>\n<p>\u6b21\u7ea7\u5bfc\u901a\u5360\u6bd4 D2=4.032\/10=0.4032\uff0c\u4e8e\u662f\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Is,rms = Is,pk\u221a(D2\/3) \u2248 5.602\u221a(0.4032\/3) \u2248 2.054 A<\/strong><\/p>\n<p>\u6ce8\u610f\uff1a\u8f93\u51fa\u76ee\u6807\u867d\u7136\u662f 1 A\uff0c\u6b21\u7ea7\u7ed5\u7ec4\u6709\u6548\u503c\u5374\u8d85\u8fc7 2 A\u3002\u7528\u8f93\u51fa\u76f4\u6d41 1 A \u9009\u62e9\u6b21\u7ea7\u5bfc\u7ebf\uff0c\u4f1a\u4e25\u91cd\u4f4e\u4f30\u53d1\u70ed\u3002<\/p>\n<h3 id=\"168-1-a\">16.8 \u4e3a\u4ec0\u4e48\u6309\u4e0a\u9762\u6ce2\u5f62\u7b97\u51fa\u7684\u8f93\u51fa\u5e73\u5747\u7535\u6d41\u7565\u5927\u4e8e 1 A<\/h3>\n<p>\u6309\u7406\u60f3\u4e09\u89d2\u6ce2\uff0c\u6b21\u7ea7\u5e73\u5747\u7535\u6d41\u4e3a Is,pkD2\/2\u22481.129 A\u3002\u4e58\u4ee5 Vout+VF=12.5 V\uff0c\u6070\u597d\u7ea6\u4e3a 14.12 W\uff0c\u7b49\u4e8e\u6700\u521d\u7684\u50a8\u80fd\u9884\u7b97\u529f\u7387\u3002<\/p>\n<p>\u8fd9\u4e0d\u662f\u7b97\u672f\u9519\u8bef\uff0c\u800c\u662f\u56e0\u4e3a\u6211\u4eec\u4e00\u5f00\u59cb\u7528 85% \u6548\u7387\u9884\u7559\u4e86\u635f\u8017\uff0c\u540e\u9762\u5374\u7528\u7406\u60f3\u7ebf\u6027\u65e0\u635f\u6a21\u578b\u7b97\u5168\u90e8\u50a8\u80fd\u91ca\u653e\u3002\u771f\u5b9e\u7535\u8def\u4e2d\u4e00\u90e8\u5206\u80fd\u91cf\u4f1a\u6d88\u8017\u5728\u94dc\u963b\u3001\u78c1\u82af\u3001\u5f00\u5173\u3001\u6f0f\u611f\u94b3\u4f4d\u4e0e\u6574\u6d41\u7b49\u4f4d\u7f6e\uff0c\u63a7\u5236\u73af\u4e5f\u4f1a\u8c03\u8282\u5de5\u4f5c\u70b9\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u524d\u9762\u7684\u7535\u6d41\u53ef\u4ee5\u7528\u4e8e\u4e00\u4e2a\u5e26\u9884\u7b97\u4f59\u91cf\u7684\u521d\u6b65\u7ebf\u5f84\u4e0e\u5e94\u529b\u4f30\u8ba1\uff1b\u5b83\u4eec\u5e76\u4e0d\u6784\u6210\u201c12 V\u30011 A\u300185%\u6548\u7387\u4e0e\u5168\u90e8\u7406\u60f3\u6ce2\u5f62\u540c\u65f6\u7cbe\u786e\u6210\u7acb\u201d\u7684\u5b8c\u6574\u89e3\u3002\u8981\u5f97\u5230\u6700\u7ec8\u5de5\u4f5c\u70b9\uff0c\u5e94\u52a0\u5165\u9010\u9879\u635f\u8017\u540e\u8fed\u4ee3\uff0c\u6216\u7528\u771f\u5b9e\u6837\u673a\u6d4b\u5f97\u6ce2\u5f62\u53cd\u7b97\u3002<\/p>\n<h3 id=\"169-al\">16.9 \u6c14\u9699\u4e0e\u76ee\u6807 AL<\/h3>\n<p>Np=10\uff0cLm=18.36 \u03bcH\uff0c\u6240\u9700\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>AL = Lm\/Np\u00b2 = 18.36 \u03bcH\/100 = 183.6 nH\/\u531d\u00b2<\/strong><\/p>\n<p>\u5728\u6c14\u9699\u5360\u4e3b\u5bfc\u3001\u5ffd\u7565\u8fb9\u7f18\u78c1\u901a\u7684\u6a21\u578b\u4e0b\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>g \u2248 \u03bc\u2080Np\u00b2Ae\/Lm \u2248 0.342 mm<\/strong><\/p>\n<p>\u8fd9\u4e2a g \u662f\u7b49\u6548\u603b\u6c14\u9699\u4f30\u8ba1\uff0c\u4e0d\u80fd\u76f4\u63a5\u5ba3\u5e03\u4e3a\u67d0\u4e2a\u78c1\u82af\u4e2d\u5fc3\u67f1\u7684\u7cbe\u786e\u52a0\u5de5\u6df1\u5ea6\u3002\u5b9e\u9645\u5e94\u7ed3\u5408\u78c1\u82af\u78c1\u8def\u3001\u6b8b\u4f59\u6c14\u9699\u3001\u8fb9\u7f18\u573a\u53ca\u4f9b\u5e94\u5546\u6c14\u9699\u5b9a\u4e49\uff0c\u9009\u53d6\u76f8\u5e94 AL \u7684\u78c1\u82af\u7ec4\u5408\uff0c\u518d\u6d4b\u91cf\u5b9e\u9645 Lm\u3002<\/p>\n<p>\u7528\u80fd\u91cf\u516c\u5f0f\u4e5f\u80fd\u4ea4\u53c9\u68c0\u67e5\uff1aB\u22480.144 T\uff0c\u6c14\u9699\u4f53\u79ef\u8fd1\u4f3c Ae\u00d7g\uff0c\u4ee3\u5165 B\u00b2Ae g\/(2\u03bc\u2080) \u7ea6\u5f97\u5230 141 \u03bcJ\uff0c\u4e0e\u50a8\u80fd\u9884\u7b97\u63a5\u8fd1\u3002\u8fd9\u79cd\u4e00\u81f4\u6027\u53ea\u5728\u76f8\u540c\u7406\u60f3\u6a21\u578b\u4e0b\u6210\u7acb\u3002<\/p>\n<h3 id=\"1610\">16.10 \u521d\u6b65\u7ebf\u5f84\u4e0e\u7a97\u53e3\u68c0\u67e5<\/h3>\n<p>\u53d6 J=3 A\/mm\u00b2\uff0c\u521d\u7ea7\u94dc\u9762\u79ef\u9700\u6c42 1.432\/3\u22480.477 mm\u00b2\uff0c\u6b21\u7ea7\u9700\u6c42 2.054\/3\u22480.685 mm\u00b2\u3002<\/p>\n<p>\u82e5\u7528\u6bcf\u80a1\u88f8\u5f84 0.20 mm \u7684\u7ebf\u6750\uff0c\u521d\u7ea7 16 \u80a1\u7ea6 0.503 mm\u00b2\uff0c\u6b21\u7ea7 24 \u80a1\u7ea6 0.754 mm\u00b2\u3002\u521d\u7ea7\u7535\u6d41\u5bc6\u5ea6\u7ea6 2.85 A\/mm\u00b2\uff0c\u6b21\u7ea7\u7ea6 2.72 A\/mm\u00b2\u3002<\/p>\n<p>\u88f8\u94dc\u5360\u7a97\u603b\u91cf\uff1a10\u00d70.503+7\u00d70.754\u224810.31 mm\u00b2\u3002\u82e5\u9aa8\u67b6\u51c0\u53ef\u7ed5\u9762\u79ef\u5047\u8bbe\u4e3a 50 mm\u00b2\uff0c\u5219\u88f8\u94dc\u586b\u5145\u7387\u7ea6 20.6%\u3002\u4ecd\u9700\u6309\u7ebf\u675f\u5b9e\u6d4b\u5916\u5f84\u3001\u5c42\u95f4\u7edd\u7f18\u4e0e\u5f15\u51fa\u4f4d\u7f6e\u753b\u5b9e\u9645\u6392\u7ebf\u56fe\u3002<\/p>\n<p>\u5047\u8bbe\u521d\u7ea7\u5e73\u5747\u531d\u957f 45 mm\u3001\u6b21\u7ea7 50 mm\uff0c\u4e14\u6682\u4e0d\u8ba1\u5f15\u51fa\u7ebf\uff0c\u521d\u7ea7\u94dc\u957f 0.45 m\uff0c\u6b21\u7ea7 0.35 m\uff1b\u5ba4\u6e29\u76f4\u6d41\u7535\u963b\u7ea6\u4e3a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Rp\u22480.01724\u00d70.45\/0.503\u22480.0154 \u03a9\uff1bRs\u22480.01724\u00d70.35\/0.754\u22480.00800 \u03a9<\/strong><\/p>\n<p>\u57fa\u7840\u94dc\u635f\u7ea6 1.432\u00b2\u00d70.0154+2.054\u00b2\u00d70.00800\u22480.065 W\u3002\u8fd9\u53ea\u662f\u7ed9\u5b9a\u957f\u5ea6\u4e0e\u7535\u6d41\u4e0b\u7684\u5ba4\u6e29\u76f4\u6d41\u94dc\u635f\u5e95\u8d26\uff0c\u4e0d\u80fd\u56e0\u4e3a\u6570\u503c\u5c0f\u5c31\u5ffd\u7565\u9ad8\u9891\u90bb\u8fd1\u6548\u5e94\u3001\u5f15\u7ebf\u3001\u63a5\u5934\u3001\u70ed\u6001\u7535\u963b\u548c\u6c14\u9699\u8fb9\u7f18\u573a\u3002<\/p>\n<h3 id=\"1611-mosfet\">16.11 MOSFET \u4e0e\u4e8c\u6781\u7ba1\u7684\u7406\u60f3\u7535\u538b\u5e94\u529b<\/h3>\n<p>\u5ffd\u7565\u6f0f\u611f\u5c16\u5cf0\u65f6\uff0cMOSFET \u5173\u65ad\u5e73\u53f0\u7ea6\u4e3a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>VDS,ideal \u2248 Vin,max+VR = 30+17.86 = 47.86 V<\/strong><\/p>\n<p>\u4e8c\u6781\u7ba1\u53cd\u5411\u7535\u538b\u8fd1\u4f3c\u4e3a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>VD,reverse \u2248 Vout+(Ns\/Np)Vin,max = 12+0.7\u00d730 = 33 V<\/strong><\/p>\n<p>\u5b9e\u9645\u9009\u8010\u538b\u65f6\u5fc5\u987b\u53e0\u52a0\u6f0f\u611f\u5c16\u5cf0\u3001\u632f\u94c3\u3001\u8f93\u5165\u77ac\u6001\u548c\u5143\u4ef6\u516c\u5dee\uff0c\u5e76\u9a8c\u8bc1\u94b3\u4f4d\u3002\u4e0d\u80fd\u770b\u5230 47.86 V \u5c31\u76f4\u63a5\u8ba4\u5b9a 50 V \u5f00\u5173\u5668\u4ef6\u5408\u683c\u3002<\/p>\n<h3 id=\"1612\">16.12 \u516c\u5dee\u68c0\u67e5\uff1a\u4e3a\u4ec0\u4e48\u78c1\u5bc6\u7559\u4e86\u4f59\u91cf\u8fd8\u4e0d\u7b97\u7ed3\u675f<\/h3>\n<p>\u5982\u679c\u7535\u611f\u589e\u52a0 10%\uff0c\u5cf0\u503c\u9650\u6d41\u589e\u52a0 10%\uff0c\u800c Ae \u51cf\u5c0f 5%\uff0c\u6309 B\u2248LI\/(NAe) \u7684\u8fd1\u4f3c\uff0c\u78c1\u5bc6\u53d8\u5316\u7ea6\u653e\u5927\u5230 1.1\u00d71.1\/0.95\u22481.274 \u500d\uff0c\u5373\u7ea6 0.183 T\uff0c\u5df2\u7ecf\u7565\u8d85\u8fc7\u539f\u6765 0.18 T \u7684\u6559\u5b66\u53d8\u5316\u91cf\u76ee\u6807\u3002<\/p>\n<p>\u8fd9\u8bf4\u660e\u5fc5\u987b\u8fdb\u4e00\u6b65\u8c03\u6574\u531d\u6570\u3001AL\u3001\u7535\u6d41\u9650\u503c\u6216\u78c1\u82af\u89c4\u683c\uff1b\u4e5f\u53ef\u4ee5\u5206\u522b\u4ece\u5b9e\u9645\u6700\u5927\u4f0f\u79d2\u548c\u6700\u5927 LI \u4e24\u6761\u8def\u5f84\u68c0\u67e5\uff0c\u53d6\u771f\u6b63\u53ef\u53d1\u751f\u7684\u5de5\u51b5\u3002\u4e0d\u80fd\u628a\u4e92\u76f8\u4e0d\u53ef\u80fd\u540c\u65f6\u51fa\u73b0\u7684\u6781\u503c\u968f\u4fbf\u53e0\u52a0\uff0c\u4e5f\u4e0d\u80fd\u56e0\u4e3a\u8ba1\u7b97\u590d\u6742\u5c31\u53ea\u770b\u540d\u4e49\u503c\u3002<\/p>\n<p>\u5728\u63a7\u5236\u5668\u548c\u5143\u4ef6\u516c\u5dee\u672a\u786e\u5b9a\u524d\uff0c\u8fd9\u4e2a\u7b97\u4f8b\u53ea\u80fd\u79f0\u4e3a\u201c\u53ef\u590d\u7b97\u7684\u521d\u6b65\u65b9\u6848\u201d\uff0c\u4e0d\u80fd\u79f0\u4e3a\u5df2\u9a8c\u8bc1\u7684\u6700\u7ec8\u8bbe\u8ba1\u3002<\/p>\n<h2 id=\"ccmdcm\">\u5341\u4e03\u3001CCM\u3001DCM \u4e0e\u4e34\u754c\u6a21\u5f0f\uff1a\u53cd\u6fc0\u516c\u5f0f\u522b\u8de8\u6a21\u5f0f\u4e71\u7528<\/h2>\n<p>DCM \u4e2d\uff0c\u5468\u671f\u5f00\u59cb\u7684\u52b1\u78c1\u50a8\u80fd\u7535\u6d41\u8fd1\u4f3c\u4e3a\u96f6\uff0c\u7ed3\u675f\u524d\u4e5f\u964d\u5230\u96f6\u3002CCM \u4e2d\uff0c\u4e0b\u4e00\u6b21\u5bfc\u901a\u5f00\u59cb\u524d\u4ecd\u6709\u975e\u96f6\u50a8\u80fd\u7535\u6d41\u3002\u4e34\u754c\u6a21\u5f0f\u5904\u4e8e\u521a\u597d\u9000\u78c1\u5b8c\u6bd5\u7684\u8fb9\u754c\u9644\u8fd1\uff0c\u5176\u9891\u7387\u53ef\u80fd\u968f\u5de5\u4f5c\u70b9\u53d8\u5316\u3002<\/p>\n<p>\u5728\u7ebf\u6027\u8fd1\u4f3c\u4e0b\uff0cCCM \u6bcf\u5468\u671f\u4ea4\u4ed8\u7684\u50a8\u80fd\u5dee\u4e3a\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>\u0394E = \u00bdLm(Ipk\u00b2\u2212Ivalley\u00b2)<\/strong><\/p>\n<p>\u4e0d\u80fd\u4ecd\u7136\u7528 \u00bdLmIpk\u00b2 \u5f53\u4f5c\u6bcf\u5468\u671f\u5168\u90e8\u4ea4\u4ed8\u80fd\u91cf\u3002\u6bd4\u5982\u5cf0\u503c 4 A\u3001\u8c37\u503c 3 A\uff0c\u5dee\u5e73\u65b9\u662f 16\u22129=7\uff0c\u800c\u4e0d\u662f 16\uff0c\u5dee\u8ddd\u975e\u5e38\u5927\u3002<\/p>\n<p>\u540c\u6837\u5730\uff0cCCM \u521d\u7ea7\u7535\u6d41\u662f\u68af\u5f62\u8109\u51b2\uff0c\u5176\u6709\u6548\u503c\u5e94\u8be5\u4f7f\u7528\u524d\u6587\u68af\u5f62\u516c\u5f0f\u3002B \u7684\u8d77\u70b9\u4e5f\u66f4\u9ad8\uff0c\u6240\u4ee5\u53ea\u6709\u201c\u0394B \u4e0d\u5927\u201d\u5e76\u4e0d\u8db3\u4ee5\u8bc1\u660e\u7edd\u5bf9\u5cf0\u503c\u8fdc\u79bb\u9971\u548c\u3002<\/p>\n<p>\u7406\u60f3\u53cd\u6fc0\u5728\u8fde\u7eed\u4f20\u80fd\u3001\u5ffd\u7565\u635f\u8017\u4e14\u6ca1\u6709\u7a7a\u95f2\u533a\u95f4\u7684\u4f0f\u79d2\u5e73\u8861\u4e0b\uff0c\u5e38\u5f97\u5230\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>Vout+VF \u2248 (Ns\/Np)Vin D\/(1\u2212D)<\/strong><\/p>\n<p>DCM \u5b58\u5728\u989d\u5916\u96f6\u7535\u6d41\u533a\u95f4\uff0c\u6b21\u7ea7\u9000\u78c1\u5360\u6bd4 D2 \u4e0d\u7b49\u4e8e 1\u2212D\uff0c\u4e0d\u80fd\u628a\u8fd9\u6761\u5173\u7cfb\u5f53\u6210\u72ec\u7acb\u4e8e\u8d1f\u8f7d\u548c\u7535\u611f\u7684\u901a\u7528\u8f93\u51fa\u516c\u5f0f\u3002DCM \u66f4\u7a33\u59a5\u7684\u5165\u53e3\u662f\u50a8\u80fd\u3001\u9000\u78c1\u65f6\u95f4\u4e0e\u8d1f\u8f7d\u529f\u7387\u4e00\u8d77\u6c42\u89e3\u3002<\/p>\n<h2 id=\"_13\">\u5341\u516b\u3001\u540c\u540d\u7aef\u548c\u7ed5\u5411\uff1a\u70b9\u6807\u8bb0\u5230\u5e95\u8868\u793a\u4ec0\u4e48<\/h2>\n<h3 id=\"181\">18.1 \u540c\u540d\u7aef\u8868\u8fbe\u77ac\u65f6\u7535\u538b\u6781\u6027<\/h3>\n<p>\u539f\u7406\u56fe\u4e0a\u7ed5\u7ec4\u65c1\u7684\u5c0f\u5706\u70b9\u8868\u793a\u540c\u540d\u7aef\u3002\u82e5\u6309\u7167\u540c\u4e00\u78c1\u901a\u53c2\u8003\uff0c\u521d\u7ea7\u70b9\u7aef\u76f8\u5bf9\u4e8e\u975e\u70b9\u7aef\u4e3a\u6b63\uff0c\u6b21\u7ea7\u70b9\u7aef\u76f8\u5bf9\u4e8e\u975e\u70b9\u7aef\u4e5f\u4e3a\u6b63\u3002<\/p>\n<p>\u70b9\u53f7\u4e0d\u662f\u201c\u6c38\u8fdc\u63a5\u6b63\u7535\u6e90\u201d\u7684\u6807\u7b7e\uff0c\u4e5f\u4e0d\u76f4\u63a5\u544a\u8bc9\u4f60\u6574\u6d41\u5668\u6c38\u8fdc\u63a5\u5728\u54ea\u4e00\u7aef\u3002\u5b83\u63cf\u8ff0\u7684\u662f\u7ed5\u7ec4\u4e4b\u95f4\u7684\u77ac\u65f6\u6781\u6027\u5173\u7cfb\u3002<\/p>\n<h3 id=\"182\">18.2 \u53cd\u6fc0\u4e3a\u4ec0\u4e48\u7279\u522b\u5bb9\u6613\u63a5\u9519<\/h3>\n<p>\u5728\u53cd\u6fc0\u5bfc\u901a\u50a8\u80fd\u671f\u95f4\uff0c\u9700\u8981\u8ba9\u6b21\u7ea7\u6574\u6d41\u5668\u622a\u6b62\uff1b\u5173\u65ad\u91ca\u653e\u671f\u95f4\uff0c\u6b21\u7ea7\u6781\u6027\u7ffb\u8f6c\uff0c\u6574\u6d41\u5668\u624d\u5bfc\u901a\u3002\u5982\u679c\u7ed5\u5411\u6216\u5f15\u811a\u63a5\u53cd\uff0c\u53ef\u80fd\u53d8\u6210\u5bfc\u901a\u671f\u95f4\u76f4\u63a5\u5411\u6b21\u7ea7\u4f20\u9012\u5927\u7535\u6d41\uff0c\u7834\u574f\u539f\u5b9a\u5de5\u4f5c\u65b9\u5f0f\u3002<\/p>\n<p>\u6240\u4ee5\u7ed5\u7ebf\u56fe\u4e0d\u4ec5\u5199\u5708\u6570\uff0c\u8fd8\u8981\u6807\u540c\u540d\u7aef\u4e0e\u8d77\u6b62\u5f15\u811a\u3002\u710a\u63a5\u524d\u68c0\u67e5\u201c\u7ed5\u7ebf\u65b9\u5411\u4e00\u81f4\u201d\u4e0d\u591f\uff0c\u56e0\u4e3a\u4ece\u78c1\u82af\u53e6\u4e00\u9762\u89c2\u5bdf\uff0c\u89c6\u89c9\u4e0a\u7684\u987a\u9006\u65f6\u9488\u4f1a\u7ffb\u8f6c\u3002\u7528\u7aef\u70b9\u5173\u7cfb\u548c\u4f4e\u538b\u6781\u6027\u6d4b\u8bd5\u66f4\u53ef\u9760\u3002<\/p>\n<h3 id=\"183\">18.3 \u600e\u6837\u505a\u4f4e\u538b\u6781\u6027\u6d4b\u8bd5<\/h3>\n<p>\u4f7f\u7528\u9694\u79bb\u3001\u9650\u6d41\u7684\u5c0f\u4fe1\u53f7\u4ea4\u6d41\u6216\u8109\u51b2\u6e90\u7ed9\u4e00\u7ec4\u7ed5\u7ec4\u65bd\u52a0\u9002\u5f53\u4fe1\u53f7\uff0c\u786e\u8ba4\u4e0d\u4f1a\u56e0\u9891\u7387\u592a\u4f4e\u6216\u7535\u538b\u592a\u9ad8\u9020\u6210\u9971\u548c\uff0c\u518d\u6bd4\u8f83\u4e24\u7ec4\u7ed5\u7ec4\u7684\u76f8\u4f4d\u3002\u53ef\u4ee5\u7528\u5408\u9002\u793a\u6ce2\u5668\u6d4b\u91cf\uff1b\u82e5\u91c7\u7528\u4e32\u8054\u52a0\u51cf\u7535\u538b\u65b9\u6cd5\uff0c\u4e5f\u5fc5\u987b\u786e\u4fdd\u5404\u8282\u70b9\u4e0e\u4eea\u5668\u63a5\u5730\u5173\u7cfb\u4e0d\u4f1a\u5f62\u6210\u77ed\u8def\u3002<\/p>\n<p>\u4e0d\u8981\u901a\u8fc7\u628a\u672a\u77e5\u7ed5\u7ec4\u63a5\u5e02\u7535\u6765\u731c\u540c\u540d\u7aef\uff0c\u4e5f\u4e0d\u8981\u628a\u6709\u63a5\u5730\u5939\u7684\u666e\u901a\u793a\u6ce2\u5668\u63a2\u5934\u5f53\u6210\u4efb\u610f\u4e24\u4e2a\u8282\u70b9\u95f4\u7684\u6d6e\u5730\u7535\u538b\u8868\u3002<\/p>\n<h2 id=\"_14\">\u5341\u4e5d\u3001\u7edd\u7f18\u4e0e\u7ed3\u6784\uff1a\u80fd\u9694\u5f00\u76f4\u6d41\uff0c\u4e0d\u7b49\u4e8e\u6ee1\u8db3\u5b89\u5168\u9694\u79bb<\/h2>\n<h3 id=\"191\">19.1 \u7535\u6c14\u95f4\u9699\u3001\u722c\u7535\u8ddd\u79bb\u548c\u56fa\u4f53\u7edd\u7f18\u662f\u4e0d\u540c\u8def\u5f84<\/h3>\n<p>\u7535\u6c14\u95f4\u9699\u662f\u901a\u8fc7\u7a7a\u6c14\u7684\u8ddd\u79bb\uff1b\u722c\u7535\u8ddd\u79bb\u662f\u6cbf\u7edd\u7f18\u8868\u9762\u7684\u8ddd\u79bb\uff1b\u56fa\u4f53\u7edd\u7f18\u662f\u5bfc\u4f53\u4e4b\u95f4\u5b9e\u9645\u9694\u79bb\u6750\u6599\u7684\u4f53\u7cfb\u3002\u5b83\u4eec\u627f\u62c5\u7684\u4f5c\u7528\u4e0d\u540c\uff0c\u4e0d\u80fd\u7b80\u5355\u4e92\u76f8\u66ff\u4ee3\u3002<\/p>\n<p>\u8981\u6c42\u53d6\u51b3\u4e8e\u5de5\u4f5c\u7535\u538b\u3001\u77ac\u6001\u6761\u4ef6\u3001\u73af\u5883\u3001\u6c61\u67d3\u7a0b\u5ea6\u3001\u6750\u6599\u7ec4\u522b\u3001\u6d77\u62d4\u3001\u7edd\u7f18\u7c7b\u578b\u548c\u6700\u7ec8\u4ea7\u54c1\u9002\u7528\u6807\u51c6\u3002\u672c\u6587\u4e0d\u63d0\u4f9b\u4e00\u4e2a\u201c\u6240\u6709 220 V \u53d8\u538b\u5668\u901a\u7528\u7684\u51e0\u6beb\u7c73\u201d\u6570\u503c\uff0c\u56e0\u4e3a\u8131\u79bb\u6761\u4ef6\u4f1a\u8bef\u5bfc\u8bbe\u8ba1\u3002<\/p>\n<h3 id=\"192\">19.2 \u6f06\u5305\u7ebf\u7edd\u7f18\u3001\u80f6\u5e26\u548c\u4e09\u5c42\u7edd\u7f18\u7ebf\u5404\u6709\u8fb9\u754c<\/h3>\n<p>\u5bfc\u7ebf\u8868\u9762\u6709\u6f06\uff0c\u5e76\u4e0d\u610f\u5473\u7740\u4efb\u610f\u4e24\u7ec4\u6f06\u5305\u7ebf\u53e0\u5728\u4e00\u8d77\u5c31\u6ee1\u8db3\u57fa\u672c\u6216\u52a0\u5f3a\u7edd\u7f18\u3002\u9700\u8981\u7b26\u5408\u8981\u6c42\u7684\u6750\u6599\u4f53\u7cfb\u3001\u7ed5\u7ec4\u7ed3\u6784\u3001\u7aef\u63a5\u5904\u7406\u548c\u9a8c\u8bc1\u3002<\/p>\n<p>\u4e09\u5c42\u7edd\u7f18\u7ebf\u53ef\u4ee5\u5728\u7279\u5b9a\u8ba4\u8bc1\u548c\u7ed3\u6784\u6761\u4ef6\u4e0b\u6539\u5584\u7ed5\u7ec4\u9694\u79bb\u5b89\u6392\uff0c\u4f46\u5b83\u4e5f\u6709\u6700\u5c0f\u5f2f\u66f2\u3001\u5916\u5f84\u3001\u52a0\u5de5\u3001\u8010\u70ed\u548c\u5265\u7ebf\u8981\u6c42\uff0c\u4e0d\u80fd\u53ea\u56e0\u540d\u79f0\u91cc\u6709\u201c\u4e09\u5c42\u201d\u5c31\u5ffd\u7565\u6574\u673a\u8bbe\u8ba1\u3002<\/p>\n<h3 id=\"193\">19.3 \u78c1\u82af\u3001\u5939\u5177\u548c\u5f15\u51fa\u7ebf\u4e5f\u662f\u7edd\u7f18\u7ed3\u6784\u7684\u4e00\u90e8\u5206<\/h3>\n<p>\u94c1\u6c27\u4f53\u4e0d\u80fd\u4e00\u6982\u5f53\u6210\u7406\u60f3\u7edd\u7f18\u4f53\uff0c\u5c24\u5176\u9ad8\u538b\u3001\u9ad8\u9891\u548c\u590d\u6742\u73af\u5883\u4e2d\u8981\u6309\u5b9e\u9645\u6750\u6599\u4e0e\u7ed3\u6784\u5904\u7406\u3002\u91d1\u5c5e\u5939\u5177\u3001\u56fa\u5b9a\u87ba\u6813\u548c\u5c4f\u853d\u53ef\u80fd\u9760\u8fd1\u4e0d\u540c\u7535\u4f4d\uff0c\u5fc5\u987b\u7eb3\u5165\u7edd\u7f18\u53ca\u5bc4\u751f\u7535\u5bb9\u5206\u6790\u3002<\/p>\n<p>\u73af\u5f62\u53d8\u538b\u5668\u7684\u56fa\u5b9a\u4ef6\u5982\u679c\u5f62\u6210\u94fe\u63a5\u4e3b\u78c1\u901a\u7684\u95ed\u5408\u91d1\u5c5e\u56de\u8def\uff0c\u4f1a\u50cf\u77ed\u8def\u531d\u4e00\u6837\u53d1\u70ed\u3002\u7ed3\u6784\u4eba\u5458\u4e0e\u7535\u6c14\u4eba\u5458\u5fc5\u987b\u5bf9\u8fd9\u4e2a\u56de\u8def\u5171\u540c\u786e\u8ba4\u3002<\/p>\n<h3 id=\"194\">19.4 \u8010\u538b\u6d4b\u8bd5\u4e0d\u662f\u521d\u5b66\u8005\u968f\u624b\u63a5\u4e00\u4e2a\u9ad8\u538b\u6e90<\/h3>\n<p>\u8010\u538b\u3001\u7edd\u7f18\u7535\u963b\u7b49\u6d4b\u8bd5\u9700\u8981\u5408\u9002\u8bbe\u5907\u3001\u89c4\u5b9a\u7684\u7535\u538b\u4e0e\u65f6\u95f4\u3001\u63a5\u7ebf\u548c\u653e\u7535\u6d41\u7a0b\u3002\u901a\u8fc7\u4e00\u6b21\u8010\u538b\u6d4b\u8bd5\u4e5f\u4e0d\u4ee3\u8868\u6e29\u5347\u3001\u5bff\u547d\u3001\u5c40\u90e8\u7f3a\u9677\u548c\u5168\u90e8\u6cd5\u89c4\u9879\u76ee\u90fd\u5df2\u5408\u683c\u3002<\/p>\n<p>\u5165\u95e8\u5b66\u4e60\u53ef\u4ee5\u5148\u5728\u4f4e\u538b\u9694\u79bb\u5b9e\u9a8c\u4e2d\u638c\u63e1\u7ed5\u7ec4\u6781\u6027\u3001\u531d\u6bd4\u3001\u7535\u611f\u548c\u94dc\u963b\uff0c\u518d\u9010\u6b65\u5b66\u4e60\u5177\u4f53\u4ea7\u54c1\u7684\u7edd\u7f18\u8bbe\u8ba1\u8981\u6c42\u3002<\/p>\n<h2 id=\"_15\">\u4e8c\u5341\u3001\u62ff\u5230\u6837\u54c1\u600e\u6837\u6d4b\uff1a\u628a\u8ba1\u7b97\u53d8\u6210\u8bc1\u636e<\/h2>\n<h3 id=\"201\">20.1 \u5148\u68c0\u67e5\u5916\u89c2\u548c\u8fde\u901a\u6027<\/h3>\n<p>\u6838\u5bf9\u578b\u53f7\u3001\u7ed5\u7ec4\u5f15\u811a\u3001\u531d\u6570\u8bb0\u5f55\u4e0e\u6750\u6599\u6807\u7b7e\uff0c\u89c2\u5bdf\u6f06\u76ae\u662f\u5426\u53d7\u4f24\u3001\u5f15\u7ebf\u662f\u5426\u8de8\u8d8a\u4e0d\u8be5\u8de8\u8d8a\u7684\u533a\u57df\u3001\u9aa8\u67b6\u662f\u5426\u53d8\u5f62\u3001\u78c1\u82af\u662f\u5426\u6709\u88c2\u7f1d\u3001\u6c14\u9699\u662f\u5426\u6309\u89c4\u5b9a\u88c5\u914d\u3002<\/p>\n<p>\u4e07\u7528\u8868\u53ef\u4ee5\u786e\u8ba4\u7ed5\u7ec4\u8fde\u901a\u4e0e\u660e\u663e\u77ed\u8def\uff0c\u4f46\u65e0\u6cd5\u53ef\u9760\u8bc6\u522b\u6240\u6709\u531d\u95f4\u77ed\u8def\u3002\u4e00\u4e2a\u77ed\u8def\u531d\u5bf9\u6574\u4f53\u76f4\u6d41\u7535\u963b\u7684\u5f71\u54cd\u53ef\u80fd\u5f88\u5c0f\uff0c\u5bf9\u4ea4\u6d41\u52b1\u78c1\u635f\u8017\u7684\u5f71\u54cd\u5374\u5f88\u5927\u3002<\/p>\n<h3 id=\"202\">20.2 \u6d4b\u76f4\u6d41\u7535\u963b<\/h3>\n<p>\u5c0f\u7535\u963b\u6700\u597d\u7528\u56db\u7ebf\u6cd5\u6d4b\u91cf\uff0c\u907f\u514d\u8868\u7b14\u548c\u63a5\u89e6\u7535\u963b\u6df9\u6ca1\u7ed3\u679c\u3002\u8bb0\u5f55\u6e29\u5ea6\uff0c\u56e0\u4e3a\u94dc\u963b\u4f1a\u968f\u6e29\u5ea6\u53d8\u5316\u3002<\/p>\n<p>\u5bf9\u4e8e\u6781\u4f4e\u7535\u963b\u6b21\u7ea7\uff0c\u710a\u70b9\u3001\u9488\u811a\u548c\u5e76\u7ed5\u7ec6\u7ebf\u7aef\u63a5\u53ef\u80fd\u5360\u636e\u4e0d\u5c0f\u6bd4\u4f8b\u3002\u82e5\u591a\u80a1\u7ebf\u6ca1\u6709\u5168\u90e8\u6709\u6548\u710a\u63a5\uff0c\u603b\u94dc\u9762\u79ef\u5c31\u6ca1\u6709\u6309\u9884\u671f\u53c2\u4e0e\u8f7d\u6d41\u3002<\/p>\n<h3 id=\"203\">20.3 \u6d4b\u52b1\u78c1\u7535\u611f\u4e0e\u6f0f\u611f<\/h3>\n<p>\u6d4b\u521d\u7ea7\u52b1\u78c1\u7535\u611f\u65f6\uff0c\u5176\u4ed6\u7ed5\u7ec4\u901a\u5e38\u5f00\u8def\uff1b\u7528\u9002\u5408\u8be5\u5668\u4ef6\u7684\u9891\u7387\u548c\u5e45\u503c\uff0c\u5e76\u8bb0\u5f55\u6d4b\u8bd5\u6761\u4ef6\u3002\u6d4b\u53c2\u8003\u5230\u521d\u7ea7\u7684\u6f0f\u611f\u65f6\uff0c\u901a\u5e38\u5c06\u76f8\u5173\u6b21\u7ea7\u5c3d\u91cf\u4f4e\u963b\u3001\u4f4e\u5bc4\u751f\u5730\u77ed\u63a5\uff0c\u518d\u6d4b\u521d\u7ea7\u7b49\u6548\u7535\u611f\u3002<\/p>\n<p>\u591a\u7ed5\u7ec4\u5668\u4ef6\u7684\u77ed\u63a5\u7ec4\u5408\u5fc5\u987b\u5199\u6e05\u695a\u3002\u5939\u5177\u81ea\u8eab\u7535\u611f\u3001\u7ed5\u7ec4\u7535\u5bb9\u548c\u4eea\u5668\u7b49\u6548\u6a21\u5f0f\u53ef\u80fd\u5f71\u54cd\u7ed3\u679c\uff0c\u5c24\u5176\u5728\u9ad8\u9891\u4e0b\uff0c\u6d4b\u5230\u7684\u5355\u4e2a\u6570\u503c\u672a\u5fc5\u80fd\u4ee3\u8868\u5f00\u5173\u5de5\u4f5c\u65f6\u5168\u90e8\u5bc4\u751f\u884c\u4e3a\u3002<\/p>\n<h3 id=\"204\">20.4 \u6d4b\u531d\u6bd4\u548c\u6781\u6027<\/h3>\n<p>\u7528\u5408\u9002\u9891\u7387\u7684\u4f4e\u5e45\u4fe1\u53f7\u6fc0\u52b1\u4e00\u7ec4\u7ed5\u7ec4\uff0c\u6d4b\u5176\u4ed6\u7ed5\u7ec4\u7535\u538b\u3002\u907f\u514d\u5728\u9891\u7387\u5f88\u4f4e\u65f6\u4f7f\u7528\u8fc7\u9ad8\u7535\u538b\uff0c\u56e0\u4e3a\u201c\u6d4b\u8bd5\u7535\u6d41\u5e94\u8be5\u5f88\u5c0f\u201d\u7684\u613f\u671b\u4e0d\u4f1a\u6539\u53d8\u4f0f\u79d2\u5bfc\u81f4\u7684\u9971\u548c\u3002<\/p>\n<p>\u531d\u6bd4\u5f02\u5e38\u53ef\u80fd\u6765\u81ea\u63a5\u9519\u5f15\u811a\u3001\u7ed5\u5411\u9519\u8bef\u3001\u77ed\u8def\u531d\uff0c\u4e5f\u53ef\u80fd\u662f\u6d4b\u8bd5\u8d1f\u8f7d\u3001\u6f0f\u611f\u4e0e\u7535\u5bb9\u9020\u6210\u7684\u9891\u7387\u54cd\u5e94\u5f71\u54cd\u3002\u5e94\u7ed3\u5408\u591a\u9879\u6d4b\u91cf\u5224\u65ad\u3002<\/p>\n<h3 id=\"205\">20.5 \u4e0a\u7535\u5148\u9650\u6d41\uff0c\u518d\u5206\u6b65\u63d0\u9ad8\u5de5\u4f5c\u6761\u4ef6<\/h3>\n<p>\u5bf9\u4f4e\u538b\u5f00\u5173\u6837\u673a\uff0c\u5148\u786e\u8ba4\u9a71\u52a8\u903b\u8f91\u548c\u6b7b\u533a\uff0c\u4f7f\u7528\u9650\u6d41\u7535\u6e90\uff0c\u4ece\u5c0f\u8f93\u5165\u3001\u8f7b\u8d1f\u8f7d\u5f00\u59cb\uff0c\u9010\u6b65\u89c2\u5bdf\u6ce2\u5f62\u3002\u4e0d\u8981\u4e00\u4e0a\u6765\u5c31\u7528\u989d\u5b9a\u5927\u529f\u7387\u8f93\u5165\u53bb\u9a8c\u8bc1\u5168\u90e8\u5047\u8bbe\u3002<\/p>\n<p>\u8bb0\u5f55\u521d\u7ea7\u7535\u6d41\u7684\u5cf0\u503c\u3001\u659c\u7387\u548c\u672b\u7aef\u5f62\u72b6\uff0c\u67e5\u770b\u5173\u65ad\u5c16\u5cf0\u548c\u632f\u94c3\uff0c\u786e\u8ba4\u9000\u78c1\u533a\u95f4\u4ee5\u53ca\u6b63\u8d1f\u4f0f\u79d2\u662f\u5426\u5e73\u8861\u3002\u9ad8\u5e26\u5bbd\u6d4b\u91cf\u8981\u4f7f\u7528\u5408\u9002\u63a2\u5934\u548c\u77ed\u56de\u8def\u8fde\u63a5\uff0c\u907f\u514d\u628a\u6d4b\u91cf\u5f15\u7ebf\u81ea\u5df1\u7684\u632f\u94c3\u5f53\u6210\u5668\u4ef6\u95ee\u9898\u3002<\/p>\n<h3 id=\"206\">20.6 \u901a\u8fc7\u7535\u538b\u79ef\u5206\u4f30\u8ba1\u78c1\u901a\u6446\u5e45<\/h3>\n<p>\u5982\u679c\u51c6\u786e\u77e5\u9053\u4f5c\u7528\u4e8e\u52b1\u78c1\u652f\u8def\u7684\u7535\u538b\uff0c\u53ef\u4ee5\u4f30\u8ba1\uff1a<\/p>\n<p class=\"formula\" style=\"padding:15px 18px;background:#edf4fc;border-left:4px solid #1769bb;overflow-x:auto;line-height:1.8\"><strong>B(t)\u2212B(t\u2080) = [1\/(NAe)] \u222b<sub>t\u2080<\/sub><sup>t<\/sup> v<sub>m<\/sub>(\u03c4)d\u03c4<\/strong><\/p>\n<p>\u8fd9\u80fd\u5f97\u5230\u78c1\u901a\u53d8\u5316\uff0c\u800c\u4e0d\u80fd\u4ec5\u51ed\u79ef\u5206\u81ea\u52a8\u77e5\u9053\u7edd\u5bf9\u521d\u59cb\u78c1\u5bc6\u3002\u5b9e\u9645\u6d4b\u91cf\u9700\u8981\u8003\u8651\u7ed5\u7ec4\u7535\u963b\u4e0e\u6f0f\u611f\u538b\u964d\u3001\u63a2\u5934\u504f\u7f6e\u548c\u79ef\u5206\u6f02\u79fb\uff0c\u5fc5\u8981\u65f6\u589e\u52a0\u5408\u9002\u7684\u611f\u5e94\u7ed5\u7ec4\u6765\u6d4b\u91cf\u78c1\u901a\u53d8\u5316\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-11-validation.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"display:block;max-width:100%;height:auto;margin:26px auto\" loading=\"lazy\" alt=\"\u6837\u673a\u9a8c\u8bc1\u987a\u5e8f\uff1a\u7535\u963b\u3001\u7535\u611f\u3001\u6ce2\u5f62\u3001\u635f\u8017\u4e0e\u70ed\u70b9\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-11-validation.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<h3 id=\"207\">20.7 \u6e29\u5347\u5fc5\u987b\u5728\u63a5\u8fd1\u771f\u5b9e\u5b89\u88c5\u73af\u5883\u4e0b\u6d4b<\/h3>\n<p>\u6d4b\u8bd5\u4f4e\u8f93\u5165\u6ee1\u8f7d\u3001\u9ad8\u8f93\u5165\u6ee1\u8f7d\u3001\u8f7b\u8f7d\u548c\u5176\u4ed6\u53ef\u80fd\u4e0d\u5229\u7684\u5de5\u4f5c\u72b6\u6001\u3002\u67d0\u4e9b\u635f\u8017\u5728\u4f4e\u8f93\u5165\u8f83\u5927\uff0c\u53e6\u4e00\u4e9b\u5728\u9ad8\u8f93\u5165\u6216\u5f02\u5e38\u63a7\u5236\u72b6\u6001\u8f83\u5927\uff0c\u4e0d\u80fd\u53ea\u6d4b\u6807\u79f0\u70b9\u3002<\/p>\n<p>\u7b49\u5f85\u6e29\u5ea6\u63a5\u8fd1\u7a33\u5b9a\uff0c\u5e76\u8bb0\u5f55\u73af\u5883\u6e29\u5ea6\u3001\u8fd0\u884c\u65f6\u957f\u3001\u5916\u58f3\u72b6\u6001\u3001\u98ce\u91cf\u4e0e\u8d1f\u8f7d\u3002\u7ea2\u5916\u6d4b\u6e29\u4f1a\u53d7\u8868\u9762\u53d1\u5c04\u7387\u5f71\u54cd\uff0c\u53cd\u5149\u94dc\u548c\u4e0d\u540c\u80f6\u5e26\u8bfb\u6570\u53ef\u80fd\u4e0d\u540c\uff1b\u7ed5\u7ec4\u5185\u90e8\u70ed\u70b9\u53ef\u80fd\u9ad8\u4e8e\u5916\u8868\u9762\uff0c\u9700\u8981\u5408\u9002\u7684\u70ed\u7535\u5076\u6216\u5176\u4ed6\u65b9\u6cd5\u8f85\u52a9\u5224\u65ad\u3002<\/p>\n<h2 id=\"_16\">\u4e8c\u5341\u4e00\u3001\u5e38\u89c1\u6545\u969c\uff1a\u4ece\u73b0\u8c61\u8ffd\u67e5\u539f\u56e0<\/h2>\n<div style=\"overflow-x:auto;margin:20px 0\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.94em\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u73b0\u8c61<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u53ef\u80fd\u539f\u56e0<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u4f18\u5148\u68c0\u67e5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7a7a\u8f7d\u7535\u6d41\u5f88\u5927<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u531d\u6570\u5c11\u3001\u9891\u7387\u4f4e\u3001\u78c1\u82af\u6c14\u9699\u6216\u88c5\u914d\u5f02\u5e38\u3001\u6750\u6599\u4e0d\u5408\u9002\u3001\u77ed\u8def\u531d<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u4f0f\u79d2\u3001Lm\u3001\u7ed5\u7ec4\u7535\u963b\u3001\u6e29\u5347\u4f4d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5bfc\u901a\u672b\u7aef\u7535\u6d41\u7a81\u7136\u5411\u4e0a\u5f2f<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u63a5\u8fd1\u9971\u548c\u3001\u504f\u78c1\u3001\u8109\u51b2\u8fc7\u957f<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6700\u5927 Vt\u3001\u6e29\u5ea6\u3001\u590d\u4f4d\u3001\u5b9e\u9645\u9650\u6d41<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5173\u65ad\u77ac\u95f4\u6709\u5c16\u5cf0<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6f0f\u611f\u3001\u5f00\u5173\u7535\u5bb9\u3001\u5e03\u5c40\u3001\u94b3\u4f4d\u4e0d\u8db3<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6f0f\u611f\u53ca\u5207\u6362\u7535\u6d41\u3001\u63a2\u5934\u63a5\u6cd5\u3001\u94b3\u4f4d\u6ce2\u5f62<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u78c1\u82af\u660e\u663e\u70ed\u3001\u7ed5\u7ec4\u76f8\u5bf9\u4e0d\u70ed<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u78c1\u82af\u635f\u8017\u504f\u9ad8\u3001\u6750\u8d28\u4e0d\u5408\u9002\u3001\u5c40\u90e8\u95ee\u9898<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6750\u6599\u3001\u9891\u7387\u3001\u78c1\u5bc6\u5b9a\u4e49\u548c\u6ce2\u5f62<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7ed5\u7ec4\u70ed\u3001\u78c1\u82af\u76f8\u5bf9\u8f83\u51c9<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Irms \u4f30\u9519\u3001\u7ebf\u592a\u7ec6\u3001\u4ea4\u6d41\u635f\u8017\u5927\u3001\u7aef\u63a5\u5dee<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u94dc\u963b\u3001\u5c42\u6570\u3001\u7ebf\u6750\u3001\u710a\u70b9\u3001\u6c14\u9699\u9644\u8fd1<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u8f93\u51fa\u7a7a\u8f7d\u6b63\u5e38\u3001\u6ee1\u8f7d\u4e0b\u964d\u591a<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u94dc\u963b\u3001\u6f0f\u611f\u3001\u8f93\u5165\u4e0b\u8dcc\u3001\u63a7\u5236\u8303\u56f4\u4e0d\u8db3<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u8d1f\u8f7d\u6ce2\u5f62\u3001\u5404\u6bb5\u538b\u964d\u3001\u5360\u7a7a\u6bd4\u4e0a\u9650<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6709\u660e\u663e\u5578\u53eb<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7a81\u53d1\u6a21\u5f0f\u3001\u4f4e\u9891\u8c03\u5236\u3001\u673a\u68b0\u632f\u52a8\u3001\u78c1\u81f4\u4f38\u7f29<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5b9e\u9645\u5de5\u4f5c\u8282\u594f\u3001\u56fa\u5b9a\u5de5\u827a\u3001\u63a7\u5236\u7a33\u5b9a\u6027<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u540c\u578b\u53f7\u6837\u54c1\u6e29\u5347\u5dee\u5f02\u5927<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6750\u6599\u6279\u6b21\u3001\u6c14\u9699\u3001\u7ed5\u6cd5\u3001\u531d\u95f4\u95ee\u9898\u3001\u5de5\u827a\u5dee\u5f02<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">AL \u516c\u5dee\u3001DCR\u3001\u6f0f\u611f\u3001\u88c5\u914d\u548c\u7aef\u63a5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u8fd9\u4e9b\u662f\u6392\u67e5\u65b9\u5411\uff0c\u4e0d\u662f\u4ec5\u51ed\u58f0\u97f3\u6216\u6e29\u5ea6\u5c31\u80fd\u4e0b\u7ed3\u8bba\u7684\u8bca\u65ad\u3002\u6bd4\u5982\u5578\u53eb\u65e2\u53ef\u80fd\u6765\u81ea\u63a7\u5236\u5668\u5728\u8f7b\u8f7d\u8df3\u8109\u51b2\uff0c\u4e5f\u53ef\u80fd\u6765\u81ea\u80f6\u548c\u78c1\u82af\u56fa\u5b9a\uff0c\u4e0d\u5e94\u542c\u5230\u58f0\u97f3\u5c31\u76f4\u63a5\u589e\u52a0\u531d\u6570\u3002<\/p>\n<h3 id=\"211\">21.1 \u589e\u52a0\u531d\u6570\u4f1a\u6539\u5584\u4ec0\u4e48\uff0c\u53c8\u53ef\u80fd\u6076\u5316\u4ec0\u4e48<\/h3>\n<p>\u76f8\u540c Vt \u4e0b\uff0c\u589e\u52a0\u531d\u6570\u80fd\u964d\u4f4e\u78c1\u901a\u6446\u5e45\uff1b\u5728\u78c1\u82af\u548c\u6c14\u9699\u4e0d\u53d8\u65f6\uff0cLm \u901a\u5e38\u6309 N\u00b2 \u589e\u957f\uff0c\u52b1\u78c1\u7535\u6d41\u53d8\u5316\u51cf\u5c0f\u3002\u4f46\u7ebf\u66f4\u957f\u3001\u7a97\u53e3\u66f4\u7d27\uff0c\u53ef\u80fd\u589e\u52a0\u94dc\u635f\u548c\u5bc4\u751f\u7535\u5bb9\u3002<\/p>\n<p>\u5bf9\u4e8e\u53cd\u6fc0\uff0c\u5982\u679c\u6539\u4e86\u531d\u6570\u5374\u6ca1\u6709\u91cd\u65b0\u8c03\u6574 AL\u3001\u531d\u6bd4\u548c\u9650\u6d41\uff0c\u50a8\u80fd\u3001\u9000\u78c1\u548c\u8f93\u51fa\u5de5\u4f5c\u70b9\u90fd\u4f1a\u53d8\u5316\u3002\u4e0d\u80fd\u53ea\u6539\u4e00\u4e2a\u7ed5\u7ec4\u7684\u531d\u6570\uff0c\u5c31\u671f\u5f85\u6240\u6709\u5176\u4ed6\u6307\u6807\u4fdd\u6301\u539f\u6837\u3002<\/p>\n<h3 id=\"212\">21.2 \u52a0\u7c97\u5bfc\u7ebf\u4f1a\u6539\u5584\u4ec0\u4e48\uff0c\u53c8\u53ef\u80fd\u6076\u5316\u4ec0\u4e48<\/h3>\n<p>\u52a0\u7c97\u5bfc\u7ebf\u4e00\u822c\u964d\u4f4e\u76f4\u6d41\u7535\u963b\uff0c\u4f46\u589e\u52a0\u5916\u5f84\u3001\u5c42\u539a\u548c\u5e73\u5747\u531d\u957f\uff0c\u53ef\u80fd\u63d0\u9ad8\u9ad8\u9891\u4ea4\u6d41\u635f\u8017\uff0c\u4e5f\u53ef\u80fd\u8ba9\u7edd\u7f18\u7a7a\u95f4\u4e0d\u8db3\u3002\u66f4\u597d\u7684\u9009\u9879\u6709\u65f6\u662f\u6362\u5927\u4e00\u7ea7\u9aa8\u67b6\u3001\u6539\u53d8\u7ed5\u7ec4\u5e03\u5c40\u6216\u4f7f\u7528\u5408\u9002\u7684\u591a\u80a1\u7ebf\uff0c\u800c\u4e0d\u662f\u7ee7\u7eed\u786c\u585e\u66f4\u7c97\u7ebf\u3002<\/p>\n<h3 id=\"213\">21.3 \u52a0\u6c14\u9699\u4f1a\u6539\u5584\u4ec0\u4e48\uff0c\u53c8\u53ef\u80fd\u6076\u5316\u4ec0\u4e48<\/h3>\n<p>\u9002\u5f53\u6c14\u9699\u53ef\u4ee5\u5e2e\u52a9\u50a8\u80fd\u78c1\u4ef6\u83b7\u5f97\u76ee\u6807\u7535\u611f\u4e0e\u7535\u6d41\u8303\u56f4\uff0c\u4f46\u4f1a\u964d\u4f4e Lm\uff0c\u4f7f\u7ed9\u5b9a\u7535\u538b\u8109\u51b2\u4e0b\u7684\u7535\u6d41\u659c\u7387\u53d8\u5927\uff0c\u5e76\u5f15\u5165\u8fb9\u7f18\u78c1\u901a\u95ee\u9898\u3002\u5b83\u4e0d\u89e3\u51b3\u8fc7\u5927\u7684\u65bd\u52a0\u4f0f\u79d2\uff0c\u4e5f\u4e0d\u66ff\u4ee3\u590d\u4f4d\u3002<\/p>\n<h2 id=\"_17\">\u4e8c\u5341\u4e8c\u3001\u8bbe\u8ba1\u987a\u5e8f\uff1a\u4ece\u9700\u6c42\u8868\u5230\u53ef\u5236\u9020\u7684\u78c1\u4ef6<\/h2>\n<p><strong>\u7b2c\u4e00\u6b65\uff0c\u660e\u786e\u7535\u8def\u89d2\u8272\u3002<\/strong>\u5148\u786e\u8ba4\u662f\u5de5\u9891\u53d8\u538b\u5668\u3001\u6865\u5f0f\/\u6b63\u6fc0\u4f20\u80fd\u53d8\u538b\u5668\uff0c\u8fd8\u662f\u53cd\u6fc0\u50a8\u80fd\u78c1\u4ef6\u3002\u4e0d\u8981\u5148\u4e70\u78c1\u82af\u518d\u5bfb\u627e\u4e00\u4e2a\u80fd\u51d1\u4e0a\u7684\u516c\u5f0f\u3002<\/p>\n<p><strong>\u7b2c\u4e8c\u6b65\uff0c\u753b\u7ed5\u7ec4\u7535\u538b\u548c\u7535\u6d41\u3002<\/strong>\u6807\u51fa\u4e00\u4e2a\u5b8c\u6574\u78c1\u5316\u5468\u671f\uff0c\u5199\u660e\u9891\u7387\u5b9a\u4e49\u3001\u6700\u5927\u8109\u51b2\u5bbd\u5ea6\u548c\u590d\u4f4d\u533a\u95f4\u3002\u53ea\u753b\u63a7\u5236\u4fe1\u53f7\u8fd8\u4e0d\u591f\uff0c\u771f\u6b63\u8981\u8ba1\u7b97\u7684\u662f\u7ed5\u7ec4\u4e0a\u7684\u7535\u538b\u4e0e\u7535\u6d41\u3002<\/p>\n<p><strong>\u7b2c\u4e09\u6b65\uff0c\u5217\u6700\u574f\u5de5\u4f5c\u6761\u4ef6\u3002<\/strong>\u5305\u62ec\u8f93\u5165\u8303\u56f4\u3001\u542f\u52a8\u3001\u8d1f\u8f7d\u7a81\u53d8\u3001\u9891\u7387\u516c\u5dee\u3001\u9650\u6d41\u516c\u5dee\u3001\u73af\u5883\u6e29\u5ea6\u548c\u63a7\u5236\u6a21\u5f0f\u53d8\u5316\u3002\u628a\u4e0d\u53ef\u80fd\u540c\u65f6\u51fa\u73b0\u7684\u6761\u4ef6\u533a\u5206\u5f00\uff0c\u907f\u514d\u673a\u68b0\u62fc\u63a5\u6781\u503c\u3002<\/p>\n<p><strong>\u7b2c\u56db\u6b65\uff0c\u9009\u62e9\u5019\u9009\u6750\u6599\u4e0e\u78c1\u82af\u3002<\/strong>\u786e\u8ba4\u635f\u8017\u66f2\u7ebf\u3001\u6709\u6548\u9762\u79ef\u3001\u7a97\u53e3\u548c\u9aa8\u67b6\uff0c\u7ed9\u5b9a\u6709\u4f9d\u636e\u7684\u78c1\u5bc6\u76ee\u6807\uff1b\u5bf9\u53cd\u6fc0\u8fd8\u8981\u786e\u5b9a Lm\u3001\u50a8\u80fd\u548c\u6c14\u9699\u65b9\u5411\u3002<\/p>\n<p><strong>\u7b2c\u4e94\u6b65\uff0c\u6c42\u531d\u6570\u53ca\u531d\u6bd4\u3002<\/strong>\u7528\u4f0f\u79d2\u5f0f\u6c42\u4e0b\u9650\uff0c\u518d\u7ed3\u5408\u6574\u6570\u531d\u6bd4\u4e0e\u8f93\u51fa\u63a7\u5236\u8303\u56f4\u8c03\u6574\uff0c\u8c03\u6574\u540e\u5168\u90e8\u56de\u4ee3\u3002<\/p>\n<p><strong>\u7b2c\u516d\u6b65\uff0c\u6309\u6709\u6548\u503c\u7535\u6d41\u9009\u7ebf\u3002<\/strong>\u5148\u5f97\u5230\u94dc\u9762\u79ef\uff0c\u518d\u9009\u62e9\u5b9e\u9645\u7ebf\u5f84\u3001\u5e76\u7ed5\u80a1\u6570\u6216\u5229\u5179\u7ebf\uff0c\u6700\u540e\u770b\u9ad8\u9891\u635f\u8017\u548c\u7aef\u63a5\u3002<\/p>\n<p><strong>\u7b2c\u4e03\u6b65\uff0c\u9010\u5c42\u5b89\u6392\u7ed5\u7ec4\u3002<\/strong>\u68c0\u67e5\u7a97\u53e3\u3001\u7edd\u7f18\u3001\u5f15\u7ebf\u3001\u6f0f\u611f\u3001\u7535\u5bb9\u548c\u6c14\u9699\u9644\u8fd1\u7684\u5bfc\u4f53\u4f4d\u7f6e\u3002<\/p>\n<p><strong>\u7b2c\u516b\u6b65\uff0c\u4f30\u635f\u8017\u4e0e\u6e29\u5347\u3002<\/strong>\u5206\u5f00\u8bb0\u5f55\u94dc\u635f\u3001\u78c1\u82af\u635f\u8017\u548c\u4f30\u7b97\u4e0d\u786e\u5b9a\u6027\uff0c\u907f\u514d\u628a\u201c\u8fd8\u6ca1\u8ba1\u7b97\u201d\u5199\u6210\u96f6\u3002<\/p>\n<p><strong>\u7b2c\u4e5d\u6b65\uff0c\u6253\u6837\u4e0e\u6d4b\u91cf\u3002<\/strong>\u6d4b DCR\u3001Lm\u3001\u6f0f\u611f\u3001\u531d\u6bd4\u548c\u6781\u6027\uff0c\u518d\u6d4b\u5b9e\u9645\u6ce2\u5f62\u4e0e\u6e29\u5347\u3002<\/p>\n<p><strong>\u7b2c\u5341\u6b65\uff0c\u51bb\u7ed3\u89c4\u683c\u5e76\u505a\u4e00\u81f4\u6027\u9a8c\u8bc1\u3002<\/strong>\u628a\u6750\u6599\u724c\u53f7\u3001\u6c14\u9699\/AL\u3001\u7ebf\u6750\u3001\u7ed3\u6784\u3001\u516c\u5dee\u548c\u68c0\u9a8c\u6761\u4ef6\u5199\u8fdb\u56fe\u7eb8\uff0c\u518d\u8003\u8651\u91cf\u4ea7\uff0c\u800c\u4e0d\u662f\u4ec5\u4fdd\u5b58\u4e00\u5f20\u624b\u5199\u531d\u6570\u8868\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-12-flow.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"display:block;max-width:100%;height:auto;margin:26px auto\" loading=\"lazy\" alt=\"\u53d8\u538b\u5668\u4ece\u9700\u6c42\u5230\u9a8c\u8bc1\u7684\u8bbe\u8ba1\u6d41\u7a0b\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/transformer-12-flow.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<h2 id=\"_18\">\u4e8c\u5341\u4e09\u3001\u521d\u5b66\u8005\u6700\u5e38\u95ee\u7684\u5341\u4e94\u4e2a\u95ee\u9898<\/h2>\n<h3 id=\"1\">1. \u531d\u6570\u4e00\u6837\uff0c\u6362\u6210\u66f4\u5927\u7684\u78c1\u82af\uff0c\u8f93\u51fa\u7535\u538b\u4f1a\u53d8\u5417\uff1f<\/h3>\n<p>\u7406\u60f3\u531d\u6bd4\u4e0d\u53d8\uff0c\u7406\u60f3\u7535\u538b\u6bd4\u4e5f\u4e0d\u53d8\u3002\u66f4\u5927 Ae \u4f1a\u964d\u4f4e\u76f8\u540c\u4f0f\u79d2\u4e0b\u7684\u78c1\u5bc6\u53d8\u5316\uff0c\u4f46 Lm\u3001\u635f\u8017\u3001\u94dc\u957f\u3001\u6f0f\u611f\u548c\u5b9e\u9645\u538b\u964d\u53ef\u80fd\u6539\u53d8\u3002\u4e0d\u80fd\u53ea\u770b\u531d\u6bd4\u5c31\u8ba4\u4e3a\u4e24\u4e2a\u5668\u4ef6\u5b8c\u5168\u7b49\u6548\u3002<\/p>\n<h3 id=\"2\">2. \u4e3a\u4ec0\u4e48\u4f4e\u538b\u5927\u7535\u6d41\u7ed5\u7ec4\u901a\u5e38\u66f4\u7c97\uff1f<\/h3>\n<p>\u5728\u8fd1\u4f3c\u76f8\u540c\u4f20\u8f93\u529f\u7387\u4e0b\uff0c\u7535\u538b\u8d8a\u4f4e\uff0c\u7535\u6d41\u8d8a\u5927\u3002\u94dc\u7ebf\u8981\u6309\u6709\u6548\u503c\u7535\u6d41\u627f\u53d7\u53d1\u70ed\uff0c\u56e0\u6b64\u901a\u5e38\u9700\u8981\u66f4\u5927\u94dc\u9762\u79ef\u3002\u5b83\u4e0d\u610f\u5473\u7740\u201c\u4f4e\u538b\u7edd\u7f18\u53ef\u4ee5\u5b8c\u5168\u4e0d\u8003\u8651\u201d\uff0c\u56e0\u4e3a\u8be5\u7ed5\u7ec4\u76f8\u5bf9\u4e8e\u5176\u4ed6\u7535\u8def\u4ecd\u53ef\u80fd\u6709\u9694\u79bb\u8981\u6c42\u3002<\/p>\n<h3 id=\"3\">3. \u591a\u7ed5\u51e0\u5708\u662f\u4e0d\u662f\u66f4\u4fdd\u9669\uff1f<\/h3>\n<p>\u53ea\u5bf9\u964d\u4f4e\u76f8\u540c\u4f0f\u79d2\u4e0b\u7684\u78c1\u5bc6\u8fd9\u4e00\u9879\u53ef\u80fd\u66f4\u4fdd\u5b88\u3002\u591a\u7ed5\u4f1a\u589e\u52a0\u94dc\u957f\u548c\u7a97\u53e3\u5360\u7528\uff0c\u8fd8\u4f1a\u6539\u53d8\u7535\u611f\u4e0e\u531d\u6bd4\u3002\u5fc5\u987b\u56de\u7b97\uff0c\u800c\u4e0d\u662f\u51ed\u76f4\u89c9\u8d8a\u591a\u8d8a\u597d\u3002<\/p>\n<h3 id=\"4\">4. \u7a7a\u8f7d\u4e0d\u70ed\uff0c\u6ee1\u8f7d\u5c31\u4e00\u5b9a\u6ca1\u95ee\u9898\u5417\uff1f<\/h3>\n<p>\u4e0d\u4e00\u5b9a\u3002\u7a7a\u8f7d\u4e3b\u8981\u8003\u9a8c\u52b1\u78c1\u548c\u90e8\u5206\u78c1\u82af\u635f\u8017\uff0c\u6ee1\u8f7d\u589e\u52a0\u94dc\u635f\u3001\u7aef\u63a5\u635f\u8017\u4e0e\u6362\u6d41\u5e94\u529b\u3002\u67d0\u4e9b\u63a7\u5236\u65b9\u5f0f\u8f7b\u8f7d\u4e0b\u53c8\u4f1a\u6539\u53d8\u9891\u7387\uff0c\u6240\u4ee5\u4e24\u4e2a\u65b9\u5411\u90fd\u8981\u6d4b\u3002<\/p>\n<h3 id=\"5\">5. \u7535\u611f\u5f88\u5927\uff0c\u662f\u5426\u8bf4\u660e\u78c1\u82af\u4e00\u5b9a\u66f4\u597d\uff1f<\/h3>\n<p>\u4e0d\u4e00\u5b9a\u3002\u9ad8\u7535\u611f\u53ef\u80fd\u6765\u81ea\u66f4\u591a\u531d\u6570\u3001\u66f4\u9ad8\u78c1\u5bfc\u7387\u6216\u66f4\u5c0f\u6c14\u9699\u3002\u50a8\u80fd\u78c1\u4ef6\u53cd\u800c\u9700\u8981\u9002\u5f53\u6c14\u9699\u6765\u627f\u53d7\u76ee\u6807\u7535\u6d41\uff1b\u4e00\u53ea\u5c0f\u4fe1\u53f7\u7535\u611f\u5f88\u5927\u7684\u65e0\u6c14\u9699\u78c1\u82af\uff0c\u53ef\u80fd\u5728\u8f83\u5c0f\u50a8\u80fd\u7535\u6d41\u4e0b\u5c31\u8fdb\u5165\u975e\u7ebf\u6027\u533a\u3002<\/p>\n<h3 id=\"6\">6. \u53ef\u4ee5\u62ff\u5e9f\u65e7\u5145\u7535\u5668\u7684\u78c1\u82af\u91cd\u65b0\u7ed5\u5417\uff1f<\/h3>\n<p>\u53ef\u4ee5\u4f5c\u4e3a\u4f4e\u538b\u53d7\u63a7\u7684\u63a2\u7d22\u6750\u6599\uff0c\u4f46\u5982\u679c\u6750\u6599\u3001\u6c14\u9699\u3001\u5c3a\u5bf8\u548c\u6e29\u5ea6\u7279\u6027\u672a\u77e5\uff0c\u5c31\u4e0d\u80fd\u636e\u6b64\u7ed9\u51fa\u53ef\u9760\u989d\u5b9a\u529f\u7387\uff0c\u66f4\u4e0d\u80fd\u5f53\u4f5c\u5df2\u7ecf\u9a8c\u8bc1\u7684\u5e02\u7535\u9694\u79bb\u5668\u4ef6\u3002\u81f3\u5c11\u8981\u6d4b\u57fa\u672c\u53c2\u6570\u5e76\u660e\u786e\u5176\u4e0d\u786e\u5b9a\u6027\u3002<\/p>\n<h3 id=\"7\">7. \u76f8\u540c\u531d\u6570\uff0c\u78c1\u82af\u6709\u88c2\u7f1d\u4e3a\u4ec0\u4e48\u7535\u611f\u4e0b\u964d\uff1f<\/h3>\n<p>\u88c2\u7f1d\u589e\u52a0\u7b49\u6548\u78c1\u963b\uff0c\u4f5c\u7528\u7c7b\u4f3c\u4e0d\u53d7\u63a7\u6c14\u9699\u3002\u7535\u611f\u4e0b\u964d\u3001\u52b1\u78c1\u7535\u6d41\u548c\u5c40\u90e8\u573a\u5206\u5e03\u6539\u53d8\uff0c\u635f\u8017\u4e5f\u53ef\u80fd\u53d8\u5316\u3002\u7528\u80f6\u7c98\u597d\u5916\u5f62\uff0c\u4e0d\u7b49\u4e8e\u78c1\u6027\u53c2\u6570\u6062\u590d\u3002<\/p>\n<h3 id=\"8\">8. \u6f06\u5305\u7ebf\u8d8a\u8010\u9ad8\u6e29\uff0c\u5c31\u80fd\u65e0\u9650\u63d0\u9ad8\u7535\u6d41\u5bc6\u5ea6\u5417\uff1f<\/h3>\n<p>\u4e0d\u80fd\u3002\u5176\u4ed6\u7edd\u7f18\u6750\u6599\u3001\u78c1\u82af\u6e29\u5ea6\u7279\u6027\u3001\u9644\u8fd1\u5143\u4ef6\u3001\u710a\u70b9\u548c\u5bff\u547d\u4ecd\u6709\u9650\u5236\u3002\u9ad8\u6e29\u4e0b\u94dc\u963b\u589e\u5927\uff0c\u635f\u8017\u7ee7\u7eed\u589e\u52a0\uff0c\u4e5f\u4f1a\u5f71\u54cd\u6574\u673a\u6548\u7387\u4e0e\u53ef\u9760\u6027\u3002<\/p>\n<h3 id=\"9\">9. \u6b21\u7ea7\u77ed\u8def\u65f6\uff0c\u4e3a\u4ec0\u4e48\u521d\u7ea7\u7535\u6d41\u5f88\u5927\uff1f<\/h3>\n<p>\u4f4e\u963b\u6297\u6309\u531d\u6bd4\u5e73\u65b9\u53cd\u5c04\u5230\u521d\u7ea7\uff0c\u8f93\u5165\u770b\u5230\u5f88\u91cd\u7684\u8d1f\u8f7d\u3002\u6b64\u65f6\u6f0f\u611f\u3001\u94dc\u963b\u3001\u7535\u6e90\u548c\u9650\u6d41\u7535\u8def\u5171\u540c\u51b3\u5b9a\u7535\u6d41\u3002\u4e0d\u8981\u628a\u201c\u6b21\u7ea7\u4e0e\u521d\u7ea7\u4e0d\u5bfc\u901a\u201d\u8bef\u89e3\u4e3a\u201c\u6b21\u7ea7\u77ed\u8def\u5bf9\u521d\u7ea7\u6ca1\u6709\u5f71\u54cd\u201d\u3002<\/p>\n<h3 id=\"10\">10. \u53d8\u538b\u5668\u6709\u76f4\u6d41\u7535\u963b\uff0c\u4e3a\u4ec0\u4e48\u63a5\u4ea4\u6d41\u65f6\u7535\u6d41\u6ca1\u6709\u5927\u5230\u79bb\u8c31\uff1f<\/h3>\n<p>\u56e0\u4e3a\u4ea4\u6d41\u5de5\u4f5c\u65f6\u4e0d\u4ec5\u6709\u94dc\u963b\uff0c\u8fd8\u6709\u52b1\u78c1\u7535\u611f\u4e0e\u611f\u5e94\u7535\u538b\u7684\u4f5c\u7528\u3002\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u78c1\u901a\u53d8\u5316\u5f62\u6210\u4e0e\u6240\u52a0\u7535\u538b\u76f8\u5e73\u8861\u7684\u611f\u5e94\u5173\u7cfb\uff1b\u4e00\u65e6\u9971\u548c\u6216\u9891\u7387\u8fc7\u4f4e\uff0c\u9650\u5236\u7535\u6d41\u7684\u6761\u4ef6\u4f1a\u6539\u53d8\u3002<\/p>\n<h3 id=\"11_1\">11. \u78c1\u82af\u7684\u6c14\u9699\u8d8a\u5c0f\u8d8a\u9ad8\u6548\u5417\uff1f<\/h3>\n<p>\u53d6\u51b3\u4e8e\u5668\u4ef6\u529f\u80fd\u3002\u5e38\u89c4\u4f20\u80fd\u53d8\u538b\u5668\u5f80\u5f80\u5e0c\u671b\u8f83\u5927\u7684\u52b1\u78c1\u7535\u611f\uff0c\u53cd\u6fc0\u5219\u9700\u8981\u50a8\u80fd\u4e0e\u76ee\u6807\u7535\u611f\u3002\u6c14\u9699\u8fc7\u5c0f\u53ef\u80fd\u4f7f\u50a8\u80fd\u7535\u6d41\u4e0d\u8db3\uff0c\u8fc7\u5927\u53ef\u80fd\u589e\u52a0\u5cf0\u503c\u7535\u6d41\u548c\u8fb9\u7f18\u573a\u635f\u8017\u3002\u6ca1\u6709\u4e00\u4e2a\u5bf9\u6240\u6709\u78c1\u4ef6\u90fd\u6700\u4f18\u7684\u6c14\u9699\u3002<\/p>\n<h3 id=\"12_1\">12. \u7528\u4e24\u4e2a\u76f8\u540c\u7ed5\u7ec4\u5e76\u8054\u5c31\u80fd\u7535\u6d41\u7ffb\u500d\u5417\uff1f<\/h3>\n<p>\u9700\u8981\u531d\u6570\u3001\u7535\u538b\u6781\u6027\u3001\u8026\u5408\u3001\u94dc\u963b\u548c\u5e03\u5c40\u8db3\u591f\u5339\u914d\uff0c\u5426\u5219\u4f1a\u6709\u73af\u6d41\u6216\u5206\u6d41\u4e0d\u5747\u3002\u5e76\u8054\u524d\u5fc5\u987b\u786e\u8ba4\u540c\u540d\u7aef\u5173\u7cfb\u3002\u5e76\u8054\u4ee5\u540e\u7aef\u63a5\u548c\u5f15\u811a\u4e5f\u5fc5\u987b\u627f\u53d7\u603b\u7535\u6d41\u3002<\/p>\n<h3 id=\"13_1\">13. \u534a\u531d\u53ef\u4ee5\u968f\u4fbf\u7ed5\u51fa\u6765\u5417\uff1f<\/h3>\n<p>\u5728\u591a\u78c1\u8def\u3001\u7279\u6b8a\u78c1\u82af\u7ed3\u6784\u4e2d\u6709\u4e13\u95e8\u7684\u5206\u6570\u531d\u65b9\u6848\uff0c\u4f46\u5b83\u4eec\u6d89\u53ca\u78c1\u901a\u5206\u914d\u548c\u7ed5\u7ec4\u5e03\u7f6e\uff0c\u4e0d\u662f\u201c\u7ed5\u534a\u5708\u5c31\u5f97\u5230\u4efb\u4f55\u60c5\u51b5\u4e0b\u7cbe\u786e\u534a\u531d\u201d\u3002\u5165\u95e8\u8bbe\u8ba1\u4f18\u5148\u4f7f\u7528\u53ef\u660e\u786e\u9a8c\u8bc1\u7684\u6574\u6570\u531d\u7ed3\u6784\u3002<\/p>\n<h3 id=\"14\">14. \u9891\u7387\u7ffb\u500d\uff0c\u53d8\u538b\u5668\u4f53\u79ef\u662f\u4e0d\u662f\u5fc5\u7136\u51cf\u534a\uff1f<\/h3>\n<p>\u9891\u7387\u63d0\u9ad8\u53ef\u4ee5\u5728\u76f8\u540c\u78c1\u5bc6\u4e0b\u51cf\u5c11\u6bcf\u5468\u671f\u6240\u9700\u4f0f\u79d2\u5bf9\u5e94\u7684\u531d\u6570\u6216\u9762\u79ef\uff0c\u4f46\u78c1\u82af\u635f\u8017\u3001\u8d8b\u80a4\u4e0e\u90bb\u8fd1\u6548\u5e94\u3001\u5f00\u5173\u635f\u8017\u3001\u7edd\u7f18\u548c\u6563\u70ed\u9650\u5236\u4e5f\u4f1a\u53d8\u4e25\u3002\u4f53\u79ef\u4e0d\u4f1a\u6309\u4e00\u4e2a\u7b80\u5355\u6bd4\u4f8b\u65e0\u9650\u7f29\u5c0f\u3002<\/p>\n<h3 id=\"15\">15. \u6709\u4e86\u8ba1\u7b97\u8868\uff0c\u8fd8\u9700\u8981\u505a\u6837\u54c1\u5417\uff1f<\/h3>\n<p>\u9700\u8981\u3002\u8ba1\u7b97\u628a\u95ee\u9898\u7f29\u5c0f\u5230\u5408\u7406\u8303\u56f4\uff0c\u6837\u54c1\u9a8c\u8bc1\u5904\u7406\u6750\u6599\u516c\u5dee\u3001\u771f\u5b9e\u573a\u5206\u5e03\u3001\u5236\u9020\u5dee\u5f02\u3001\u5bc4\u751f\u53c2\u6570\u548c\u70ed\u73af\u5883\u3002\u8d8a\u6e05\u695a\u6a21\u578b\u5047\u8bbe\uff0c\u8d8a\u77e5\u9053\u6837\u673a\u9636\u6bb5\u5e94\u8be5\u91cd\u70b9\u6d4b\u4ec0\u4e48\u3002<\/p>\n<h2 id=\"_19\">\u4e8c\u5341\u56db\u3001\u516c\u5f0f\u901f\u67e5\uff1a\u6bcf\u6761\u90fd\u9644\u4f7f\u7528\u6761\u4ef6<\/h2>\n<div style=\"overflow-x:auto;margin:20px 0\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.94em\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u76ee\u7684<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u516c\u5f0f<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u5173\u952e\u524d\u63d0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u78c1\u901a\u4e0e\u78c1\u5bc6<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u03a6\u2248BAe<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u4f7f\u7528\u6709\u6548\u622a\u9762\uff0c\u6ce8\u610f\u5c40\u90e8\u4e0d\u5747\u5300<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u4e00\u6bb5\u8109\u51b2\u5f15\u8d77\u7684\u78c1\u5bc6\u53d8\u5316<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u0394B=Vt\/(NAe)<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">V \u4e3a\u8be5\u9636\u6bb5\u52b1\u78c1\u7535\u538b\uff0c\u6216\u5df2\u5408\u7406\u5ffd\u7565\u538b\u964d<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u4efb\u610f\u6ce2\u5f62\u78c1\u5bc6\u53d8\u5316<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u0394B=(1\/NAe)\u222bvmdt<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u53ea\u7ed9\u53d8\u5316\uff0c\u4e0d\u81ea\u52a8\u7ed9\u51fa\u521d\u59cb B<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6b63\u5f26\u7535\u538b\u4e0e\u531d\u6570<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Vrms\u22484.44fNAeBpk<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6b63\u5f26\u78c1\u901a\uff0cB \u662f\u5cf0\u503c<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5bf9\u79f0\u53cc\u6781\u65b9\u6ce2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">V=4fNAeBpk<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u65e0\u96f6\u7535\u538b\u6bb5\uff0cf \u4e3a\u5b8c\u6574\u6b63\u8d1f\u5468\u671f\u9891\u7387<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7535\u611f\u56e0\u5b50<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">L=ALN\u00b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">AL \u7684\u5355\u4f4d\u3001\u516c\u5dee\u53ca\u6d4b\u91cf\u6761\u4ef6\u4e00\u81f4<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7535\u6d41\u659c\u7387<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u0394I=Vt\/L<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7ebf\u6027\u7535\u611f\u8303\u56f4<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u78c1\u573a\u50a8\u80fd<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">E=\u00bdLI\u00b2<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7ebf\u6027\u7535\u611f\uff1b\u975e\u7ebf\u6027\u65f6\u7528\u76f8\u5e94\u79ef\u5206<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">CCM \u6bcf\u5468\u671f\u50a8\u80fd\u5dee<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u0394E=\u00bdL(Ipk\u00b2\u2212Ivalley\u00b2)<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7ebf\u6027\u8fd1\u4f3c\uff0c\u975e\u96f6\u8c37\u503c\u4e0d\u80fd\u6f0f\u6389<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6c14\u9699\u4e3b\u5bfc\u7535\u611f<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">L\u2248\u03bc\u2080N\u00b2Ae\/g<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5ffd\u7565\u78c1\u82af\u78c1\u963b\u548c\u8fb9\u7f18\u573a\u7684\u521d\u7b97<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u94dc\u622a\u9762\u79ef<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Acu=Irms\/J<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">J \u5fc5\u987b\u914d\u5408\u70ed\u4e0e\u9ad8\u9891\u635f\u8017\u9a8c\u8bc1<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5706\u7ebf\u622a\u9762\u79ef<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Acu=\u03c0d\u00b2\/4<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">d \u4e3a\u88f8\u94dc\u76f4\u5f84<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u94dc\u963b<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">R20\u22480.01724l\/Acu<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u957f\u5ea6 m\u3001\u9762\u79ef mm\u00b2\u3001\u94dc\u7ea620\u2103<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u57fa\u7840\u94dc\u635f<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Pcu\u2248Irms\u00b2Rdc<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u9ad8\u9891\u9700\u8865\u5145\u4ea4\u6d41\u635f\u8017<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u78c1\u82af\u635f\u8017<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Pcore=PvVe<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Pv \u4e0e\u6ce2\u5f62\u3001\u6750\u6599\u3001\u6e29\u5ea6\u53ca\u5355\u4f4d\u5339\u914d<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u94dc\u8d8b\u80a4\u6df1\u5ea6<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u03b4[mm]\u224866\/\u221af[Hz]<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7ea620\u2103\uff0c\u4e0d\u662f\u5b8c\u6574\u7ebf\u5f84\u9009\u62e9\u89c4\u5219<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u531d\u6bd4<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Vs\/Vp=Ns\/Np<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7ed5\u7ec4\u611f\u5e94\u7535\u538b\u5173\u7cfb\uff0c\u975e\u6574\u673a\u76f4\u6d41\u589e\u76ca<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u8d1f\u8f7d\u963b\u6297\u6298\u7b97<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Zp=(Np\/Ns)\u00b2Zs<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7406\u60f3\u53d8\u538b\u5668\u8fd1\u4f3c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u5efa\u8bae\u8ba1\u7b97\u8868\u7ed9\u6bcf\u4e2a\u8f93\u5165\u90fd\u52a0\u4e00\u5217\u201c\u6765\u6e90\u201d\uff1a\u9700\u6c42\u4e66\u3001\u5668\u4ef6\u624b\u518c\u3001\u8ba1\u7b97\u3001\u6d4b\u91cf\u6216\u5047\u8bbe\u3002\u8fd9\u6837\u4e00\u773c\u5c31\u80fd\u770b\u5230\u54ea\u4e9b\u7ed3\u8bba\u5df2\u7ecf\u6709\u8bc1\u636e\uff0c\u54ea\u4e9b\u53ea\u662f\u5f85\u9a8c\u8bc1\u521d\u503c\u3002<\/p>\n<h2 id=\"_20\">\u4e8c\u5341\u4e94\u3001\u7ec3\u4e60\uff1a\u81ea\u5df1\u7b97\u4e00\u904d\uff0c\u68c0\u67e5\u662f\u5426\u771f\u6b63\u7406\u89e3<\/h2>\n<h3 id=\"_21\">\u7ec3\u4e60\u4e00\uff1a\u531d\u6570\u51cf\u534a\uff0c\u78c1\u5bc6\u600e\u6837\u53d8\u5316\uff1f<\/h3>\n<p>\u7ed5\u7ec4\u627f\u53d7 20 V\u30013 \u03bcs \u8109\u51b2\uff0cAe=60 mm\u00b2\u3002\u539f\u6765 10 \u531d\uff0c\u540e\u6765\u6539\u6210 5 \u531d\uff0c\u6c42 \u0394B\u3002<\/p>\n<p>\u7b54\u6848\uff1a10 \u531d\u65f6 \u0394B=20\u00d73\/(10\u00d760)=0.10 T\uff1b5 \u531d\u65f6\u662f 0.20 T\u3002\u76f8\u540c\u65bd\u52a0\u4f0f\u79d2\u4e0b\uff0c\u531d\u6570\u51cf\u534a\u4f7f\u78c1\u901a\u6446\u5e45\u7ffb\u500d\uff0c\u4e0e\u662f\u5426\u63a5\u8d1f\u8f7d\u4e0d\u662f\u540c\u4e00\u5c42\u9762\u7684\u95ee\u9898\u3002<\/p>\n<h3 id=\"_22\">\u7ec3\u4e60\u4e8c\uff1a\u9009\u62e9\u5e76\u7ed5\u80a1\u6570<\/h3>\n<p>\u67d0\u7ed5\u7ec4 Irms=1.8 A\uff0c\u6682\u53d6 J=3 A\/mm\u00b2\uff0c\u91c7\u7528\u6bcf\u80a1\u88f8\u5f84 0.20 mm \u7684\u7ec6\u7ebf\uff0c\u81f3\u5c11\u9700\u8981\u591a\u5c11\u80a1\u624d\u80fd\u6ee1\u8db3\u94dc\u9762\u79ef\u521d\u7b97\uff1f<\/p>\n<p>\u7b54\u6848\uff1a\u76ee\u6807\u9762\u79ef 0.6 mm\u00b2\uff0c\u6bcf\u80a1 0.0314 mm\u00b2\uff0c\u80a1\u6570\u81f3\u5c11\u5411\u4e0a\u53d6\u6574\u4e3a 20 \u80a1\uff0c\u603b\u9762\u79ef\u7ea6 0.628 mm\u00b2\u3002\u4e4b\u540e\u8fd8\u8981\u68c0\u67e5\u7ebf\u675f\u5916\u5f84\u3001\u9ad8\u9891\u635f\u8017\u548c\u7aef\u63a5\u3002<\/p>\n<h3 id=\"_23\">\u7ec3\u4e60\u4e09\uff1a\u4e0d\u8981\u628a\u5cf0\u5cf0\u503c\u5f53\u6210\u5cf0\u503c<\/h3>\n<p>\u4e00\u4e2a\u5bf9\u79f0\u53cc\u6781\u6027\u78c1\u5bc6\u6ce2\u5f62\u5728 \u22120.12 T \u5230 +0.12 T \u95f4\u53d8\u5316\u3002\u95ee Bpk \u548c \u0394B\u3002<\/p>\n<p>\u7b54\u6848\uff1aBpk=0.12 T\uff0c\u0394B=0.24 T\u3002\u82e5\u6570\u636e\u624b\u518c\u635f\u8017\u56fe\u6a2a\u8f74\u662f\u5cf0\u503c\uff0c\u5c31\u4e0d\u80fd\u586b\u5165 0.24 T\u3002<\/p>\n<h3 id=\"al\">\u7ec3\u4e60\u56db\uff1a\u4ece AL \u6c42\u7535\u611f<\/h3>\n<p>AL=180 nH\/\u531d\u00b2\uff0c\u7ed5 12 \u531d\uff0c\u7535\u611f\u662f\u591a\u5c11\uff1f<\/p>\n<p>\u7b54\u6848\uff1aL=180\u00d7144=25920 nH=25.92 \u03bcH\u3002\u5982\u679c\u589e\u52a0\u5230 24 \u531d\uff0c\u5728\u540c\u6837\u5c0f\u4fe1\u53f7\u6761\u4ef6\u4e0b\u7535\u611f\u7ea6\u53d8\u4e3a\u56db\u500d\uff0c\u800c\u4e0d\u662f\u4e24\u500d\u3002<\/p>\n<h3 id=\"dcm\">\u7ec3\u4e60\u4e94\uff1aDCM \u521d\u7ea7\u6709\u6548\u503c<\/h3>\n<p>\u7535\u6d41\u4ece\u96f6\u5347\u5230 5 A\uff0c\u5360\u7a7a\u6bd4 0.30\uff0c\u5176\u4f59\u65f6\u95f4\u4e3a\u96f6\u3002\u6c42\u5e73\u5747\u503c\u4e0e\u6709\u6548\u503c\u3002<\/p>\n<p>\u7b54\u6848\uff1a\u5e73\u5747\u503c=5\u00d70.30\/2=0.75 A\uff1b\u6709\u6548\u503c=5\u221a(0.30\/3)\u22481.58 A\u3002\u7ebf\u5f84\u57fa\u7840\u8ba1\u7b97\u5e94\u8be5\u4f7f\u7528 1.58 A\uff0c\u800c\u4e0d\u662f 0.75 A\u3002<\/p>\n<h3 id=\"_24\">\u7ec3\u4e60\u516d\uff1a\u6c14\u9699\u80fd\u5426\u89e3\u51b3\u8fc7\u957f\u8109\u51b2\uff1f<\/h3>\n<p>\u67d0\u7ed5\u7ec4\u539f\u6765 \u0394B=0.15 T\u3002\u4fdd\u6301 V\u3001t\u3001N \u548c Ae \u4e0d\u53d8\uff0c\u5c06\u6c14\u9699\u52a0\u5927\u4e00\u500d\uff0c\u0394B \u4f1a\u81ea\u52a8\u51cf\u534a\u5417\uff1f<\/p>\n<p>\u7b54\u6848\uff1a\u4e0d\u4f1a\uff0c\u4ecd\u7531 Vt\/(NAe) \u51b3\u5b9a\u3002\u82e5\u6c14\u9699\u4e3b\u5bfc\uff0c\u7535\u611f\u7ea6\u51cf\u534a\uff0c\u540c\u6837\u8109\u51b2\u4e0b\u52b1\u78c1\u7535\u6d41\u53d8\u5316\u53cd\u800c\u7ea6\u589e\u5927\u4e00\u500d\u3002\u5e94\u4fee\u6b63\u65bd\u52a0\u4f0f\u79d2\u3001\u531d\u6570\u3001\u9762\u79ef\u6216\u590d\u4f4d\u6761\u4ef6\u3002<\/p>\n<h2 id=\"_25\">\u4e8c\u5341\u516d\u3001\u8bbe\u8ba1\u8bb0\u5f55\u6a21\u677f\uff1a\u907f\u514d\u4e0b\u6b21\u4ece\u5934\u731c<\/h2>\n<div style=\"overflow-x:auto;margin:20px 0\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.94em\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u9879\u76ee<\/th>\n<th style=\"border:1px solid #d4dce6;padding:10px;text-align:left;background:#eef4f9\">\u9700\u8981\u586b\u5199\u7684\u5185\u5bb9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u9700\u6c42<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u8f93\u5165\u8303\u56f4\u3001\u8f93\u51fa\u3001\u529f\u7387\u3001\u8d1f\u8f7d\u6ce2\u5f62\u3001\u6e29\u5ea6\u548c\u5c3a\u5bf8<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u62d3\u6251\u4e0e\u6a21\u5f0f<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6b63\u5f26\/\u6b63\u6fc0\/\u5168\u6865\/\u534a\u6865\/\u63a8\u633d\/\u53cd\u6fc0\uff0cCCM\/DCM \u7b49<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u9891\u7387\u5b9a\u4e49<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u632f\u8361\u9891\u7387\u3001\u5f00\u5173\u91cd\u590d\u9891\u7387\u3001\u5b8c\u6574\u78c1\u5316\u5468\u671f\uff0c\u5206\u522b\u5199\u6e05<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7535\u538b\u6ce2\u5f62<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6bcf\u6bb5\u5e45\u503c\u3001\u6301\u7eed\u65f6\u95f4\u3001\u6b63\u8d1f\u4f0f\u79d2\u3001\u542f\u52a8\u53ca\u5f02\u5e38\u6700\u5927\u503c<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u78c1\u82af<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u4f9b\u5e94\u5546\u3001\u8ba2\u8d27\u53f7\u3001\u6750\u6599\u3001Ae\u3001Ve\u3001le\u3001\u9aa8\u67b6\u578b\u53f7<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u78c1\u5bc6<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Bmin\u3001Bmax\u3001\u0394B\uff0c\u6e29\u5ea6\u4e0e\u516c\u5dee\u4f59\u91cf<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7535\u611f\u4e0e\u6c14\u9699<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">Lm\u3001AL\u3001\u516c\u5dee\u3001\u7b49\u6548\u6216\u673a\u68b0\u6c14\u9699\u5b9a\u4e49<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7ed5\u7ec4<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u531d\u6570\u3001\u540c\u540d\u7aef\u3001\u8d77\u6b62\u811a\u3001\u88f8\u5f84\u3001\u6700\u5927\u5916\u5f84\u3001\u80a1\u6570\u3001\u7ed5\u5411<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7ed5\u7ec4\u7ed3\u6784<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5404\u5c42\u987a\u5e8f\u3001\u7edd\u7f18\u3001\u8fb9\u7f18\u7559\u91cf\u3001\u5c4f\u853d\u4e0e\u5f15\u7ebf\u5b89\u6392<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7535\u6d41<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5cf0\u503c\u3001\u8c37\u503c\u3001\u5e73\u5747\u503c\u3001\u6709\u6548\u503c\uff0c\u6ce8\u660e\u5de5\u51b5<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u7535\u963b\u4e0e\u635f\u8017<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">DCR \u6e29\u5ea6\u3001\u4ea4\u6d41\u589e\u91cf\u3001\u78c1\u82af\u635f\u8017\u6a21\u578b\u548c\u603b\u635f\u8017<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u6d4b\u8bd5<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u531d\u6bd4\u3001\u6781\u6027\u3001Lm\u3001\u6f0f\u611f\u3001\u6e29\u5347\u3001\u5c16\u5cf0\u3001\u8d1f\u8f7d\u4e0e\u6545\u969c\u6761\u4ef6<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u672a\u89e3\u51b3\u9879<\/td>\n<td style=\"border:1px solid #d4dce6;padding:10px;text-align:left\">\u5047\u8bbe\u6765\u6e90\u3001\u7f3a\u5931\u6750\u6599\u66f2\u7ebf\u3001\u5f85\u6d4b\u5de5\u51b5\u3001\u5f85\u786e\u8ba4\u7edd\u7f18\u8981\u6c42<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u5f53\u4f60\u80fd\u628a\u8fd9\u5f20\u8868\u586b\u5b8c\u6574\uff0c\u5c31\u4e0d\u518d\u662f\u5728\u201c\u51ed\u7ecf\u9a8c\u7ed5\u4e00\u4e2a\u7ebf\u5708\u201d\uff0c\u800c\u662f\u5728\u5efa\u7acb\u4e00\u4e2a\u80fd\u591f\u8ba1\u7b97\u3001\u5236\u9020\u3001\u6d4b\u91cf\u548c\u590d\u73b0\u7684\u53d8\u538b\u5668\u8bbe\u8ba1\u3002<\/p>\n<h2 id=\"_26\">\u4e8c\u5341\u4e03\u3001\u8fdb\u4e00\u6b65\u9605\u8bfb\u4e0e\u8d44\u6599\u4f7f\u7528\u8bf4\u660e<\/h2>\n<p>\u672c\u6587\u516c\u5f0f\u63a8\u5bfc\u3001\u6559\u5b66\u53c2\u6570\u3001\u7b97\u4f8b\u4e0e\u63d2\u56fe\u4e3a\u72ec\u7acb\u7f16\u5199\uff1b\u5177\u4f53\u5546\u54c1\u7684\u6750\u6599\u53c2\u6570\u3001\u6e29\u5ea6\u9650\u5236\u548c\u52a0\u5de5\u516c\u5dee\u5fc5\u987b\u56de\u5230\u5bf9\u5e94\u4f9b\u5e94\u5546\u8d44\u6599\u6838\u5bf9\u3002\u4ee5\u4e0b\u8d44\u6599\u7528\u4e8e\u8fdb\u4e00\u6b65\u5b66\u4e60\uff0c\u4e0d\u80fd\u7528\u4e0d\u540c\u6750\u6599\u6216\u4e0d\u540c\u6d4b\u8bd5\u6761\u4ef6\u4e0b\u7684\u66f2\u7ebf\u4e92\u76f8\u66ff\u4ee3\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/www.ti.com\/lit\/ml\/slup126\/slup126.pdf\">TI\uff1aPower Transformer Design\uff0cSLUP126<\/a>\u2014\u2014\u9002\u5408\u7ee7\u7eed\u5b66\u4e60\u4f20\u80fd\u578b\u53d8\u538b\u5668\u7684\u8bbe\u8ba1\u7ea6\u675f\u3002<\/li>\n<li><a href=\"https:\/\/www.ti.com\/lit\/ml\/slup127\/slup127.pdf\">TI\uff1aInductor and Flyback Transformer Design\uff0cSLUP127<\/a>\u2014\u2014\u50a8\u80fd\u7535\u611f\u548c\u53cd\u6fc0\u78c1\u4ef6\u7684\u8fdb\u9636\u5165\u53e3\u3002<\/li>\n<li><a href=\"https:\/\/www.tdk-electronics.tdk.com\/en\/529404\/products\/product-catalog\/ferrites-and-accessories\/ferrite-materials\">TDK\uff1aFerrite Materials<\/a>\u2014\u2014\u6309\u5177\u4f53\u6750\u6599\u7ee7\u7eed\u67e5\u9605\u6570\u636e\u3002<\/li>\n<li><a href=\"https:\/\/www.tdk-electronics.tdk.com\/download\/540216\/d6940b239127a8bab71b22168746021b\/pdf-n87.pdf\">TDK\uff1aN87 \u6750\u6599\u6570\u636e\u8868<\/a>\u2014\u2014\u9605\u8bfb\u53c2\u6570\u65f6\u4fdd\u7559\u6e29\u5ea6\u3001\u9891\u7387\u548c\u78c1\u5316\u6761\u4ef6\u3002<\/li>\n<li><a href=\"https:\/\/www.tdk-electronics.tdk.com\/en\/180490\/design-support\/design-tools\/ferrite-magnetic-design-tool\">TDK\uff1aFerrite Magnetic Design Tool<\/a>\u2014\u2014\u7528\u4e8e\u914d\u5408\u5177\u4f53\u6750\u6599\u6570\u636e\u8fdb\u4e00\u6b65\u4f30\u7b97\u78c1\u4ef6\u3002<\/li>\n<li><a href=\"https:\/\/www.ti.com\/document-viewer\/lit\/html\/SLVAFK6\">TI\uff1aFlyback converter application brief\uff0cSLVAFK6<\/a>\u2014\u2014\u8865\u5145\u53cd\u6fc0\u4f20\u80fd\u8fc7\u7a0b\u7684\u7406\u89e3\u3002<\/li>\n<\/ol>\n<p>\u7b2c\u4e00\u6b21\u5b66\u4e60\u65e0\u9700\u628a\u5168\u90e8\u516c\u5f0f\u80cc\u4e0b\u6765\u3002\u5148\u80fd\u56de\u7b54\u56db\u4e2a\u95ee\u9898\uff1a\u8fd9\u4e00\u6bb5\u7ed5\u7ec4\u627f\u53d7\u591a\u5c11\u4f0f\u79d2\uff1f\u78c1\u82af\u5b9e\u9645\u6446\u52a8\u4e86\u591a\u5c11\u78c1\u5bc6\uff1f\u7ed5\u7ec4\u771f\u5b9e\u6709\u6548\u503c\u7535\u6d41\u662f\u591a\u5c11\uff1f\u8fd9\u4e9b\u635f\u8017\u5728\u771f\u5b9e\u7ed3\u6784\u91cc\u4f1a\u5347\u5230\u591a\u9ad8\u6e29\u5ea6\uff1f\u518d\u628a\u7b54\u6848\u843d\u5b9e\u5230\u531d\u6570\u3001\u7ebf\u5f84\u3001\u7a97\u53e3\u548c\u6d4b\u8bd5\u4e0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9762\u5411\u521d\u5b66\u8005\uff0c\u4ece\u78c1\u82af\u548c\u7ed5\u7ec4\u8bb2\u8d77\uff0c\u9010\u6b65\u7406\u89e3\u78c1\u901a\u5bc6\u5ea6\u3001\u9971\u548c\u3001\u4f0f\u79d2\u5e73\u8861\u3001\u531d\u6570\u3001\u7ebf\u5f84\u3001\u6c14\u9699\u3001\u94dc\u635f\u4e0e\u6e29\u5347\u3002\u542b12\u5f20\u539f\u521b\u914d\u56fe\u3001\u5de5\u9891\/\u5168\u6865\/\u53cd\u6fc0\u4e09\u4e2a\u9010\u6b65\u7b97\u4f8b\u3001\u516c\u5f0f\u901f\u67e5\u548c\u6837\u673a\u6d4b\u8bd5\u65b9\u6cd5\u3002<\/p>\n","protected":false},"author":2,"featured_media":114,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[42,24,46,47,43,44,45],"class_list":["post-113","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-study","tag-42","tag-24","tag-46","tag-47","tag-43","tag-44","tag-45"],"_links":{"self":[{"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/posts\/113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/comments?post=113"}],"version-history":[{"count":1,"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/posts\/113\/revisions"}],"predecessor-version":[{"id":126,"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/posts\/113\/revisions\/126"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/media\/114"}],"wp:attachment":[{"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/media?parent=113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/categories?post=113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/tags?post=113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}