{"id":28615,"date":"2026-01-10T09:01:01","date_gmt":"2026-01-10T01:01:01","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=28615"},"modified":"2026-01-12T11:29:47","modified_gmt":"2026-01-12T03:29:47","slug":"%e4%bb%80%e4%b9%88%e6%98%af%ce%b4-y%e5%8f%98%e6%8d%a2%ef%bc%88y-%ce%b4%e5%8f%98%e6%8d%a2%ef%bc%89","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/circuit-design\/circuit-design-basic\/26799","title":{"rendered":"\u4ec0\u4e48\u662f\u0394-Y\u53d8\u6362\uff08Y-\u0394\u53d8\u6362\uff09"},"content":{"rendered":"\\(\\)\n<h1 class=\"c-ttl-5\">\u4ec0\u4e48\u662f\u0394-Y\u53d8\u6362\uff08Y-\u0394\u53d8\u6362\uff09<\/h1>\n<p>\u0394-Y\u53d8\u6362\uff08\u6216Y-\u0394\u53d8\u6362\uff09\u662f\u4e00\u79cd\u53ef\u4ee5\u7b80\u5316\u5305\u62ec\u4e09\u76f8\u7535\u8def\u5728\u5185\u7684\u590d\u6742\u7535\u963b\u548c\u963b\u6297\u7f51\u7edc\uff0c\u5e76\u5b9e\u73b0\u987a\u7545\u5206\u6790\u7684\u57fa\u7840\u6280\u672f\u3002\u987e\u540d\u601d\u4e49\uff0c\u901a\u8fc7\u4e09\u89d2\u5f62\uff08\u5fb7\u5c14\u5854\uff0c\u0394\uff09\u63a5\u6cd5\u4e0e\u661f\u5f62\uff08Y\uff09\u63a5\u6cd5\u7684\u7b49\u6548\u4e92\u6362\uff0c\u4f7f\u5f97\u0394-Y\u53d8\u6362\uff08\u6216Y-\u0394\u53d8\u6362\uff09\u80fd\u591f\u66f4\u7b80\u5355\u5730\u8fdb\u884c\u4e32\u5e76\u8054\u7ec4\u5408\u53ca\u7535\u538b\u7535\u6d41\u8ba1\u7b97\u3002<\/p>\n<p>\u4e09\u76f8\u4ea4\u6d41\u7535\u4e3b\u8981\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u8bbe\u5907\u548c\u5546\u7528\u8bbe\u5907\u9886\u57df\uff0c\u6839\u636e\u8d1f\u8f7d\u4fa7\u7535\u8def\u91c7\u7528\u0394\u63a5\u6cd5\u6216Y\u63a5\u6cd5\u7684\u4e0d\u540c\uff0c\u5176\u7535\u538b\u548c\u7535\u6d41\u7684\u5904\u7406\u65b9\u5f0f\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002\u638c\u63e1\u0394-Y\u53d8\u6362\uff08Y-\u0394\u53d8\u6362\uff09\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u5bf9\u4e8e\u5728\u8d1f\u8f7d\u8bbe\u8ba1\u548c\u6545\u969c\u6392\u67e5\u4e2d\u201c\u8f7b\u677e\u628a\u63e1\u7aef\u5b50\u95f4\u7684\u7b49\u6548\u7535\u963b\u201d\u3001\u201c\u68b3\u7406\u4e0d\u5e73\u8861\u8d1f\u8f7d\u201d\u7b49\u9700\u6c42\u5927\u6709\u88e8\u76ca\u3002<\/p>\n<h2 id=\"toc1\">\u0394-Y\u53d8\u6362\uff08Y-\u0394\u53d8\u6362\uff09\u57fa\u7840<\/h2>\n<h3 id=\"toc2\">\u8282\u70b9\u6807\u6ce8\u548c\u5178\u578b\u7535\u8def\u56fe<\/h3>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/01\/01-node-labeling-and-typical-schematics.jpg\" alt=\"\u8282\u70b9\u6807\u6ce8\u548c\u5178\u578b\u7535\u8def\u56fe\" width=\"700\" height=\"394\" \/><\/p>\n<ul class=\"unordered-list\">\n<li><strong>\u5178\u578b\u6807\u6ce8\u793a\u4f8b<\/strong>\n<ul>\n<li>\u5927\u591a\u60c5\u51b5\u4e0b\uff0c\u4e09\u89d2\u5f62\uff08\u0394\u5f62\u7535\u8def\uff09\u7684\u9876\u70b9\u6807\u6ce8\u4e3aA\u3001B\u3001C\u3002\u8fd9\u662f\u56e0\u4e3a\u6309\u5b57\u6bcd\u987a\u5e8f\u6392\u5217\u4f1a\u4fbf\u4e8e\u7406\u89e3\u4e14\u4e0d\u6613\u6df7\u6dc6\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8282\u70b9\u6570\u91cf\u7684\u5dee\u5f02<\/strong>\n<ul>\n<li>\u0394\u5f62\u7535\u8def\u7531A\u2013B\u2013C\u51713\u4e2a\u8282\u70b9\u6784\u6210\u3002<\/li>\n<li>Y\u5f62\u7535\u8def\u9664A-B-C\u5916\u8fd8\u5305\u62ec\u4e2d\u5fc3\u8282\u70b9O\uff0c\u75314\u4e2a\u8282\u70b9\u6784\u6210\u3002<\/li>\n<li>\u6709\u65f6\u4e5f\u4f1a\u91c7\u7528\u8fde\u63a5\u81f3\u4e00\u4e2a\u8282\u70b9\uff08\u5982\u63a5\u5730\u7b49\uff09\u7684\u7ed8\u5236\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 id=\"toc3\">\u0394\u5f62\u7535\u8def\u548cY\u5f62\u7535\u8def\u7684\u7ed3\u6784<\/h3>\n<ul class=\"unordered-list\">\n<li><strong>\u0394\u5f62\u7535\u8def\uff08Delta\u7535\u8def\uff09<\/strong><br \/>\n\u8bbe\u4e09\u4e2a\u7aef\u5b50\u5206\u522b\u4e3aA\u3001B\u3001C\uff0c\u5404\u8fb9\uff08\\(R_1\\)\uff1aA\u2013B\u3001\\(R_2\\)\uff1aB\u2013C\u3001\\(R_3\\)\uff1aC\u2013A\uff09\u4e0a\u5b58\u5728\u7535\u963b\u6216\u963b\u6297\uff0c\u6784\u6210\u4e09\u89d2\u5f62\u7535\u8def\u3002<\/li>\n<\/ul>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/01\/02-structure-of-the-delta-circuit.jpg\" alt=\"\u0394\u5f62\u7535\u8def\u7684\u7ed3\u6784\" width=\"700\" height=\"394\" \/><\/p>\n<ul class=\"unordered-list\">\n<li><strong>Y\u5f62\u7535\u8def\uff08\u661f\u5f62\u7535\u8def\uff09<\/strong><br \/>\n\u8bbe\u4e00\u4e2a\u4e2d\u5fc3\u70b9O\uff0c\u4ece\u4e2d\u5fc3\u70b9\u5206\u522b\u5411\u7aef\u5b50A\u3001B\u3001C\u5ef6\u4f38\u652f\u8def\uff08\\(R_a\\)\uff1aO-A\u3001\\(R_b\\)\uff1aO-B\u3001\\(R_c\\)\uff1aO-C\uff09\uff0c\u5f62\u6210\u661f\u5f62\u7ed3\u6784\u3002<\/li>\n<\/ul>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/01\/03-structures-of-the-y-circuit.jpg\" alt=\"Y\u5f62\u7535\u8def\u7684\u7ed3\u6784\" width=\"700\" height=\"394\" \/><\/p>\n<p>\u65e0\u8bba\u662f\u54ea\u79cd\u7ed3\u6784\uff0c\u90fd\u7ecf\u5e38\u6d89\u53ca\u5230\u4e09\u76f8\u8d1f\u8f7d\u548c\u7535\u963b\u7f51\u7edc\u5206\u6790\u3002<\/p>\n<ul class=\"unordered-list\">\n<li><strong>\u6ce8\u610f\u4e8b\u9879<\/strong>\n<ul>\n<li>\u5982\u679c\u5c06\u7535\u963b\\(R_1\\)\u5b9a\u4e49\u4e3aA-B\u4e4b\u95f4\u7684\u5143\u4ef6\uff0c\u90a3\u4e48\u4e5f\u9700\u8981\u5728\u7535\u8def\u56fe\u4e2d\u5c06\\(R_1\\)WE\u7f6e\u4e8eA-B\u4e4b\u95f4\uff0c\u4ee5\u786e\u4fdd\u6587\u6863\u4e0e\u56fe\u7eb8\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li>\u5373\u4f7f\u5c06\u7535\u8def\u65cb\u8f6c\u6216\u7ffb\u8f6c\uff0c\u53ea\u8981\u8282\u70b9\u8fde\u63a5\u672a\u88ab\u7834\u574f\uff0c\u4ecd\u89c6\u4e3a\u7b49\u6548\u7535\u8def\u3002<\/li>\n<li>\u7531\u4e8e\u8282\u70b9\u4f1a\u968f\u7535\u8def\u65b9\u5411\u53d1\u751f\u53d8\u5316\uff0c\u56e0\u6b64\u8282\u70b9\u95f4\u7684\u6700\u7ec8\u8fde\u63a5\u662f\u5426\u6b63\u786e\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 id=\"toc4\">\u0394\u2192Y\u53d8\u6362\u4e0eY\u2192\u0394\u53d8\u6362\u7684\u57fa\u672c\u516c\u5f0f<\/h3>\n<ul class=\"unordered-list\">\n<li><strong>\u0394\u0394\u2192Y\u53d8\u6362<\/strong><br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(R_a=\\displaystyle\\frac{R_1\u2009R_3}{R_1+R_2+R_3},\u2003R_b=\\displaystyle\\frac{R_1\u2009R_2}{R_1+R_2+R_3},\u2003R_c=\\displaystyle\\frac{R_2\u2009R_3}{R_1+R_2+R_3}\\)<\/span><\/li>\n<\/ul>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/01\/04-basic-equation-of-the-delta-y-transformation.jpg\" alt=\"\u0394\u2192Y\u53d8\u6362\u7684\u57fa\u672c\u516c\u5f0f\" width=\"700\" height=\"394\" \/><\/p>\n<ul class=\"unordered-list\">\n<li><strong>Y\u2192\u0394\u53d8\u6362<\/strong><br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(R_1=R_a+R_b+\\displaystyle\\frac{R_a\u2009R_b}{R_c} ,\u2003R_2=R_b+R_c+\\displaystyle\\frac{R_b\u2009R_c}{R_a} ,\u2003R_3=R_c+R_a+\\displaystyle\\frac{R_c\u2009R_a}{R_b}\\)<\/span><\/li>\n<\/ul>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/01\/05-basic-equation-of-the-y-delta-transformation.jpg\" alt=\"Y\u2192\u0394\u53d8\u6362\u7684\u57fa\u672c\u516c\u5f0f\" width=\"700\" height=\"394\" \/><\/p>\n<p>\u8fd9\u4e9b\u516c\u5f0f\u53ef\u6839\u636e\u201c\u53d8\u6362\u524d\u540e\u7aef\u5b50A-B\u3001B-C\u3001C-A\u5404\u81ea\u7684\u7b49\u6548\u7535\u963b\u4fdd\u6301\u76f8\u540c\u201d\u7684\u6761\u4ef6\u63a8\u5bfc\u5f97\u51fa\u3002\u5173\u952e\u5728\u4e8e\uff0c\u5373\u4f7f\u4f7f\u7528\u963b\u6297\u66ff\u4ee3\u7535\u963b\uff0c\u5176\u5f62\u5f0f\u4f9d\u7136\u4fdd\u6301\u4e0d\u53d8\u3002<\/p>\n<h2 id=\"toc5\">\u901a\u8fc7\u5177\u4f53\u5b9e\u4f8b\u4e86\u89e3\u0394-Y\u53d8\u6362\uff08Y-\u0394\u53d8\u6362\uff09<\/h2>\n<h3 id=\"toc6\">\u0394\u2192Y\u53d8\u6362\u793a\u4f8b<\/h3>\n<p>\u8bbe\u0394\u5f62\u7535\u8def\u7684\u7535\u963b\u4e3a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(R_1=30\u03a9,\u2003R_2=60\u03a9,\u2003R_3=90\u03a9\\)<\/span><\/p>\n<p>\u90a3\u4e48<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(R_a=\\displaystyle\\frac{R_1\u2009R_3}{R_1+R_2+R_3}=\\displaystyle\\frac{30\u00d790}{180}=15\u03a9,\\)<\/span><\/p>\n<p><span class=\"mathjax-text\">\\(R_b=\\displaystyle\\frac{R_1\u2009R_2}{R_1+R_2+R_3}=\\displaystyle\\frac{30\u00d760}{180}=10\u03a9,\\)<\/span><\/p>\n<p><span class=\"mathjax-text\">\\(R_c=\\displaystyle\\frac{R_2\u2009R_3}{R_1+R_2+R_3}=\\displaystyle\\frac{60\u00d790}{180}=30\u03a9\\)<\/span><\/p>\n<p>\u56e0\u6b64\uff0cY\u5f62\u7535\u8def\u4e2d\u7684\u5404\u7535\u963b\u503c\u4e3a\uff08<span class=\"u-ff-mathjax\">R<sub>a<\/sub><\/span>\u3001<span class=\"u-ff-mathjax\">R<sub>b<\/sub><\/span>\u3001<span class=\"u-ff-mathjax\">R<sub>c<\/sub><\/span>\uff09=\uff0815\u03a9\u300110\u03a9\u300130\u03a9\uff09\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/01\/06-example-of-the-delta-y-transformation.jpg\" alt=\"\u0394\u2192Y\u53d8\u6362\u793a\u4f8b\" width=\"700\" height=\"394\" \/><\/p>\n<h3 id=\"toc7\">Y\u2192\u0394\u53d8\u6362\u793a\u4f8b<\/h3>\n<p>\u8bbeY\u5f62\u7535\u8def\u7684\u7535\u963b\u4e3a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(R_a=5\u03a9,\u2003R_b=10\u03a9,\u2003R_c=20\u03a9\\)<\/span><\/p>\n<p>\u90a3\u4e48<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(R_1=5+10+\\displaystyle\\frac{5\u00d710}{20}=17.5\u03a9,\u2003R_2=10+20+\\displaystyle\\frac{10\u00d720}{5}=70\u03a9,\\)<\/span><\/p>\n<p><span class=\"mathjax-text\">\\(R_3=20+5+\\displaystyle\\frac{20\u00d75}{10}=35\u03a9\\)<\/span><\/p>\n<p>\u56e0\u6b64\uff0c\u0394\u5f62\u7535\u8def\u4e2d\u7684\u5404\u7535\u963b\u503c\u4e3a\uff08<span class=\"u-ff-mathjax\">R<\/span><sub>1<\/sub>\u3001<span class=\"u-ff-mathjax\">R<\/span><sub>2<\/sub>\u3001<span class=\"u-ff-mathjax\">R<\/span><sub>3<\/sub>\uff09=\uff0817.5\u03a9\u300170\u03a9\u300135\u03a9\uff09\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/01\/07-example-of-the-y-delta-transformation.jpg\" alt=\"Y\u2192\u0394\u53d8\u6362\u793a\u4f8b\" width=\"700\" height=\"394\" \/><\/p>\n<h2 id=\"toc8\">\u0394-Y\u53d8\u6362\uff08Y-\u0394\u53d8\u6362\uff09\u516c\u5f0f\u63a8\u5bfc\u8fc7\u7a0b<\/h2>\n<h3 id=\"toc9\">\u0394-Y\u53d8\u6362\u4e2d\u4e32\u8054\u7535\u963b\u548c\u5e76\u8054\u7535\u963b\u7684\u8bc6\u522b<\/h3>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/01\/08-identifying-series-and-parallel-resistors-in-delta-y-analysis.jpg\" alt=\"\u0394-Y\u53d8\u6362\u4e2d\u4e32\u8054\u7535\u963b\u548c\u5e76\u8054\u7535\u963b\u7684\u8bc6\u522b\" width=\"700\" height=\"394\" \/><\/p>\n<ol class=\"ordered-list\">\n<li><strong>\u4e32\u8054\u7535\u963b\uff08Series Combination\uff09<\/strong>\n<ul>\n<li>\u5f53\u4e24\u4e2a\u7535\u963b\u5171\u4eab\u4ec5\u4e00\u4e2a\u8282\u70b9\uff0c\u800c\u53e6\u4e00\u7aef\u5206\u522b\u4e0e\u4e0d\u540c\u8282\u70b9\u8fde\u63a5\u65f6\uff0c\u53ef\u89c6\u4e3a\u4e32\u8054\u5173\u7cfb\u3002<\/li>\n<li>\u4e32\u8054\u5173\u7cfb\u4e0b\u7684\u5408\u6210\u7535\u963b\\(R_{series}\\)=\\(R_a\\)+\\(R_b\\)<\/li>\n<li>\u4f8b\u5982\uff0c\u5728\u0394\u5f62\u7535\u8def\u4e2d\u89c2\u5bdfA\u2013B\u4e4b\u95f4\uff0c\u5448\u73b0\\(R_2\\)\u4e0e\\(R_3\\)\u4e32\u8054\u3001\\(R_1\\)\u4e0e\u5b83\u4eec\u5e76\u8054\u7684\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5e76\u8054\u7535\u963b\uff08Parallel Combination\uff09<\/strong>\n<ul>\n<li>\u82e5\u4e24\u4e2a\u7535\u963b\u5171\u4eab\u4e24\u7aef\uff0c\u5219\u4e3a\u5e76\u8054\u5173\u7cfb\u3002<\/li>\n<li>\u5408\u6210\u7535\u963b\u4e3a1\/\\(R_{parallel}\\)=1\/\\(R_a\\)+1\/\\(R_b\\)<\/li>\n<li>\u5173\u4e8e\u524d\u9762\u63d0\u5230\u7684A-B\u4e4b\u95f4\uff0c\u5219\u662f\\(R_2\\)+\\(R_3\\)\u4e32\u8054\u2192\\(R_1\\)\u4e0e\u5176\u5e76\u8054\u7684\u8fde\u63a5\u5173\u7cfb\uff0c\u8fd9\u662f\u4e24\u8005\u7684\u57fa\u672c\u7684\u533a\u5206\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u91cd\u6e29\u6b27\u59c6\u5b9a\u5f8b\uff08Ohm&#8217;s Law\uff09<\/strong>\n<ul>\n<li>\\(V\\)=\\(I\\)\u00d7\\(R\\)\u662f\u7535\u963b\u7535\u8def\u7684\u57fa\u672c\u516c\u5f0f\u3002<\/li>\n<li>\u5229\u7528\u4e32\u8054\u7535\u8def\u4e2d\u7535\u6d41\u5904\u5904\u76f8\u7b49\u3001\u5e76\u8054\u7535\u8def\u4e2d\u7535\u538b\u5904\u5904\u76f8\u7b49\u7684\u7279\u6027\uff0c\u5373\u53ef\u6c42\u51fa\u0394-Y\u53d8\u6362\u7684\u57fa\u7840\u2014\u2014\u7b49\u6548\u7535\u963b\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7531\u5355\u4e00\u7535\u963b\uff08single resistor\uff09\u66ff\u4ee3<\/strong>\n<ul>\n<li>\u901a\u8fc7\u53cd\u590d\u8fdb\u884c\u4e32\u8054\u548c\u5e76\u8054\u8ba1\u7b97\uff0c\u6700\u7ec8\u53ef\u5c06\u201c\u7aef\u5b50\u95f4\u7684\u7535\u963b\u201d\u6574\u5408\u4e3a\u4e00\u4e2a\u963b\u503c\u3002<\/li>\n<li>\u0394-Y\u53d8\u6362\u53ef\u4ee5\u8bf4\u662f\u4e00\u79cd\u5728\u4e09\u76f8\u7535\u8def\u4e2d\u7cfb\u7edf\u5316\u5b9e\u73b0\u8fd9\u79cd\u7b49\u6548\u7535\u963b\u8f6c\u6362\u7684\u6280\u672f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3 id=\"toc10\">\u4ece\u0394\u5230Y\u7684\u53d8\u6362\u516c\u5f0f\u63a8\u5bfc<\/h3>\n<p>\u5b9e\u9645\u63a8\u5bfc\u8fc7\u7a0b\u9700\u5efa\u7acb\u201c\u4f7f\u0394\u5f62\u7535\u8def\u4fa7\u3001Y\u5f62\u7535\u8def\u4fa7\u7684A-B\u95f4\u7b49\u6548\u7535\u963b\u4e00\u81f4\u201c\u3001\u201cB-C\u95f4\u3001C-A\u95f4\u540c\u7406\u201d\u8fd9\u4e09\u4e2a\u65b9\u7a0b\u3002<\/p>\n<p>\u4e0b\u9762\u5c06\u66f4\u8be6\u7ec6\u5730\u63a8\u5bfc\u5c06\u4e09\u89d2\u5f62\u63a5\u6cd5\u7684\u7535\u963b\uff08\\(R_1\\)\u3001\\(R_2\\)\u3001\\(R_3\\)\uff09\u8f6c\u6362\u4e3a\u661f\u5f62\u63a5\u6cd5\uff08\\(R_a\\)\u3001\\(R_b\\)\u3001\\(R_c\\)\uff09\u7684\u8f6c\u6362\u516c\u5f0f\u3002\u8bbe\u4e09\u89d2\u5f62\u7535\u8def\u7684\u9876\u70b9\u4e3aA\u3001B\u3001C\uff0c\u5404\u8fb9\u7684\u7535\u963b\u5206\u522b\u4e3a\\(R_1\\)\uff08A\u2013B\uff09\u3001\\(R_2\\)\uff08B\u2013C\uff09\u3001\\(R_3\\)\uff08C\u2013A\uff09\u3002\u53e6\u5916\uff0c\u5728\u8f6c\u6362\u76ee\u6807\u661f\u5f62\u7535\u8def\u4e2d\uff0c\u8bbe\u4ece\u4e2d\u5fc3\u70b9O\u5230A\u7684\u7535\u963b\u4e3a\\(R_a\\)\uff0c\u4eceO\u5230B\u7684\u7535\u963b\u4e3a\\(R-b\\)\uff0c\u4eceO\u5230C\u7684\u7535\u963b\u4e3a\\(R_c\\)\u3002\u8f6c\u6362\u7684\u57fa\u672c\u65b9\u9488\u662f\u65bd\u52a0\u201c\u7aef\u5b50A-B\u3001B-C\u3001C-A\u4e4b\u95f4\u6240\u89c1\u7684\u7b49\u6548\u7535\u963b\u5728\u0394\u5f62\u7535\u8def\u548cY\u5f62\u7535\u8def\u4e2d\u5747\u76f8\u540c\u201d\u8fd9\u4e00\u6761\u4ef6\u3002<\/p>\n<ol class=\"ordered-list\">\n<li><strong>\u0394\u5f62\u7535\u8def\u4e2dA\u2013B\u95f4\u7b49\u6548\u7535\u963b<\/strong><br \/>\n\u8bbe\u7aef\u5b50A-B\u95f4\u6240\u89c1\u7684\u7b49\u6548\u7535\u963b\u4e3a\\(R_{AB}\\)\u3002\u7531\u4e8e\\(R_2\\)\u548c\\(R_3\\)\u4e3a\u4e32\u8054\u8fde\u63a5\uff0c\u6545\u5c06\u8be5\u7535\u963b\u8bb0\u4e3a\\(R_{23}\\)\u3002\\(R_{AB}\\)\u662f\\(R_1\\)\u548c\\(R_{23}\\)<\/sub>\u7684\u5e76\u8054\u8fde\u63a5\u3002<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(R_{23} =R_2+R_3\\)<\/span><br \/>\n<span class=\"mathjax-text\">\\(R_{AB} = \\displaystyle\\frac{R_1 R_{23}}{R_1+R_{23}} = \\displaystyle\\frac{R_1 (R_2+R_3)}{R_1+(R_2+R_3)} = \\displaystyle\\frac{R_1 R_2+R_3 R_1}{R_1+R_2+R_3}\\)<\/span><\/li>\n<li><strong>Y\u5f62\u7535\u8def\u4e2dA-B\u95f4\u7b49\u6548\u7535\u963b<\/strong><br \/>\n\u8bbe\u7aef\u5b50A-B\u95f4\u6240\u89c1\u7684\u7b49\u6548\u7535\u963b\u4e3a\\(R_{AB}\\)\u3002\u7531\u4e8e\\(R_a\\)\u548c\\(R_b\\)\u4e3a\u4e32\u8054\u8fde\u63a5\uff0c\u6240\u4ee5\u5f97\u5230\u5982\u4e0b\u516c\u5f0f\uff1a<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(R_{AB} = R_a+R_b\\)<\/span><br \/>\n\u901a\u8fc7\u8fd0\u7528\u57fa\u5c14\u970d\u592b\u5b9a\u5f8b\uff08KVL\u3001KCL\uff09\u5efa\u7acb\u8054\u7acb\u65b9\u7a0b\u6c42\u89e3A-B\u95f4\u7684\u7b49\u6548\u7535\u963b\uff0c\u6700\u7ec8\u4f1a\u5f97\u5230\u4e00\u4e2a\u6761\u4ef6\u65b9\u7a0b\uff1a\u201c\uff08\u7aef\u5b50A-B\u95f4\u7684\u7b49\u6548\u7535\u963b\uff09=\uff08\u0394\u5f62\u7535\u8def\u4fa7\u7684A-B\u95f4\u7b49\u6548\u7535\u963b\uff09\u201d\u3002<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(R_a+R_b=\\displaystyle\\frac{R_1 R_2+R_3 R_1}{R_1+R_2+R_3}\\)<\/span><\/li>\n<li><strong>\u7aef\u5b50B\u2013C\u95f4\u3001C\u2013A\u95f4\u4ea6\u540c\u6cd5\u64cd\u4f5c<\/strong><br \/>\n\u7aef\u5b50B\u2013C\u95f4\u3001C\u2013A\u95f4\u4e5f\u6309\u7167\u540c\u6837\u7684\u6b65\u9aa4\uff0c\u901a\u8fc7\u5efa\u7acb\u5e76\u6c42\u89e3\u4e09\u4e2a\u8054\u7acb\u65b9\u7a0b\uff0c\u4f7f\u0394\u5f62\u7535\u8def\u4e0eY\u5f62\u7535\u8def\u5404\u7aef\u5b50\u95f4\u7684\u7b49\u6548\u7535\u963b\u4e00\u81f4\u3002<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(R_b+R_c=\\displaystyle\\frac{R_1 R_2+R_2 R_3}{R_1+R_2+R_3}\\)<\/span><br \/>\n<span class=\"mathjax-text\">\\(R_c+R_a=\\displaystyle\\frac{R_3 R_1+R_2 R_3}{R_1+R_2+R_3}\\)<\/span><\/li>\n<li><strong>\\(R_a\\)\u3001\\(R_b\\)\u3001\\(R_c\\)\u7684\u6c42\u89e3<\/strong><br \/>\n\u5c06A-B\u95f4\u3001B-C\u95f4\u3001C-A\u95f4\u7684\u7b49\u6548\u7535\u963b\u5206\u522b\u76f8\u52a0\uff1a<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(2(R_a+R_b+R_c) = \\displaystyle\\frac{2(R_1 R_2+R_2 R_3+R_3 R_1)}{R_1+R_2+R_3}\\)<\/span><br \/>\n<span class=\"mathjax-text\">\\(R_a+R_b+R_c=\\displaystyle\\frac{R_1 R_2+R_2 R_3+R_3 R_1}{R_1+R_2+R_3}\\)<\/span><br \/>\n\u8981\u6c42\u5f97\\(R_a\\)\uff0c\u53ef\u63a8\u5bfc\u51fa\u5982\u4e0b\u57fa\u672c\u516c\u5f0f\u3002\u540c\u6837\u53ef\u4ee5\u8ba1\u7b97\u51fa\\(R_b\\)\u548c\\(R_c\\)\u3002<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(R_a=\\displaystyle\\frac{R_1 R_2+R_2 R_3+R_3 R_1}{R_1+R_2+R_3}-(R_b+R_c)\\)<\/span><br \/>\n<span class=\"mathjax-text\">\\(= \\displaystyle\\frac{R_1 R_2+R_2 R_3+R_3 R_1}{R_1+R_2+R_3} \u2013 \\left(\\displaystyle\\frac{R_1 R_2+R_2 R_3}{R_1+R_2+R_3}\\right) = \\displaystyle\\frac{R_1\u2009R_3}{R_1+R_2+R_3}\\)<\/span><\/li>\n<\/ol>\n<h3 id=\"toc11\">\u4eceY\u5230\u0394\u7684\u53d8\u6362\u516c\u5f0f\u63a8\u5bfc<\/h3>\n<p>\u4eceY\u5230\u0394\u7684\u8f6c\u6362\u4e0e\u4ece\u0394\u5230Y\u7684\u8f6c\u6362\u9075\u5faa\u76f8\u540c\u7684\u539f\u5219\u3002\u5c06Y\u5f62\u7535\u8def\u7684\\(R_a\\)\u3001\\(R_b\\)\u3001\\(R_c\\)\u8f6c\u6362\u4e3a\u0394\u5f62\u7535\u8def\u7684\\(R_1\\)\u3001\\(R_2\\)\u3001\\(R_3\\)\u65f6\uff0c\u9700\u5efa\u7acb\u4f7f\u7aef\u5b50A-B\u95f4\u3001B-C\u95f4\u3001C-A\u95f4\u7684\u7b49\u6548\u7535\u963b\u76f8\u7b49\u7684\u6761\u4ef6\u3002<\/p>\n<p>\u57fa\u4e8e\u57fa\u5c14\u970d\u592b\u5b9a\u5f8b\u5efa\u7acb\u8054\u7acb\u65b9\u7a0b\uff0c\u6c42\u89e3\u7aef\u5b50A-B\u95f4\u3001B-C\u95f4\u53caC-A\u95f4\u7684\u7535\u963b\u3002<\/p>\n<h2 id=\"toc12\">\u0394-Y\u53d8\u6362\uff08Y-\u0394\u53d8\u6362\uff09\u7684\u5e94\u7528<\/h2>\n<p>\u5728\u5b9e\u9645\u7684\u7535\u8def\u5206\u6790\u4e2d\uff0c\u0394-Y\uff08\u6216Y-\u0394\uff09\u53d8\u6362\u5728\u7535\u963b\u7f51\u7edc\u65e0\u6cd5\u901a\u8fc7\u4e32\u8054\u6216\u5e76\u8054\u7ec4\u5408\u7b80\u5316\u65f6\u5c24\u4e3a\u5b9e\u7528\u3002\u8fd9\u79cd\u60c5\u51b5\u5e38\u89c1\u4e8e\u6865\u63a5\u7f51\u7edc\u3001\u4e0d\u5e73\u8861\u4e09\u76f8\u8d1f\u8f7d\uff0c\u6216\u4e24\u4e2a\u8282\u70b9\u95f4\u65e0\u76f4\u63a5\u8fde\u63a5\u7535\u963b\u7684\u590d\u6742\u9ed1\u7bb1\u90e8\u5206\u3002\u901a\u8fc7\u5728\u5408\u9002\u7684\u70b9\u5e94\u7528\u0394-Y\u53d8\u6362\uff0c\u5de5\u7a0b\u5e08\u80fd\u591f\u5c06\u590d\u6742\u7684\u62d3\u6251\u7b80\u5316\u4e3a\u66f4\u7b80\u5355\u7684\u5f62\u5f0f\uff0c\u4ece\u800c\u4fbf\u4e8e\u8fd0\u7528\u6b27\u59c6\u5b9a\u5f8b\u548c\u57fa\u5c14\u970d\u592b\u5b9a\u5f8b\u7b49\u4f20\u7edf\u65b9\u6cd5\u8ba1\u7b97\u7535\u6d41\u3001\u7535\u538b\u6216\u529f\u7387\u3002\u5373\u4f7f\u662f\u5728\u53ef\u4ee5\u4f7f\u7528\u4eff\u771f\u5de5\u5177\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u79cd\u53d8\u6362\u65b9\u6cd5\u4ecd\u662f\u8bbe\u8ba1\u8bc4\u5ba1\u548c\u6545\u969c\u5206\u6790\u65f6\u89e3\u8bfb\u7535\u8def\u884c\u4e3a\u3001\u8fdb\u884c\u7535\u8def\u7b80\u5316\u7684\u91cd\u8981\u624b\u6bb5\u3002<\/p>\n<h3 id=\"toc13\">\u5bf9\u5e73\u8861\u8d1f\u8f7d\u548c\u4e0d\u5e73\u8861\u8d1f\u8f7d\u5e94\u7528\u0394-Y\u53d8\u6362\uff08Y-\u0394\u53d8\u6362\uff09<\/h3>\n<p>\u5f53\u4e09\u76f8\u7535\u8def\u4e2d\u7684\u8d1f\u8f7d\u7535\u963b\uff08\u6216\u963b\u6297\uff09\u50cf\\(R_1\\)=\\(R_2\\)=\\(R_3\\)\u4e00\u6837\u5b8c\u5168\u76f8\u7b49\u65f6\uff0c\u79f0\u4e3a\u201c\u5e73\u8861\u8d1f\u8f7d\u201d\u3002\u6b64\u65f6\uff0c\u65e0\u8bba\u662f\u0394\u8fde\u63a5\u8fd8\u662fY\u8fde\u63a5\uff0c\u5206\u6790\u90fd\u76f8\u5bf9\u7b80\u5355\uff0c\u4f46\u5728\u5b9e\u9645\u7684\u7cfb\u7edf\u4e2d\uff0c\u5f80\u5f80\u4f1a\u51fa\u73b0\u4e00\u5b9a\u7a0b\u5ea6\u7684\u4e0d\u5e73\u8861\u3002<\/p>\n<ul class=\"unordered-list\">\n<li>\u4e0d\u5e73\u8861\u8d1f\u8f7d\u72b6\u6001\u4e0b\uff0c\u5404\u76f8\u7684\u7535\u963b\u6216\u7535\u6297\u4e0d\u540c\uff0c\u53ef\u80fd\u5bfc\u81f4\u7ebf\u7535\u6d41\u548c\u76f8\u7535\u538b\u51fa\u73b0\u4e0d\u5e73\u8861\u73b0\u8c61\u3002<\/li>\n<li>\u901a\u8fc7\u0394-Y\u53d8\u6362\u9002\u5f53\u6574\u5408\u8fd9\u79cd\u7535\u8def\uff0c\u4fbf\u4e8e\u91cf\u5316\u4e0d\u5e73\u8861\u7a0b\u5ea6\uff0c\u6709\u5229\u4e8e\u5728\u6545\u969c\u6392\u67e5\u4e2d\u53d1\u73b0\u7535\u8def\u8bbe\u8ba1\u7f3a\u9677\u548c\u7535\u6d41\u504f\u79fb\u7b49\u95ee\u9898\u3002<\/li>\n<\/ul>\n<h3 id=\"toc14\">\u963b\u6297\uff08\u590d\u6570\uff09\u7684\u0394-Y\u53d8\u6362\uff08Y-\u0394\u53d8\u6362\uff09<\/h3>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/01\/09-using-impedances-in-the-delta-y-transformation.jpg\" alt=\"\u963b\u6297\uff08\u590d\u6570\uff09\u7684\u0394-Y\u53d8\u6362\uff08Y-\u0394\u53d8\u6362\uff09\" width=\"700\" height=\"394\" \/><\/p>\n<p>\u0394-Y\u53d8\u6362\u540c\u6837\u9002\u7528\u4e8e\u5c06\u7535\u963b\\(R\\)\u66ff\u6362\u4e3a\u5305\u542b\u7535\u611f\u548c\u7535\u5bb9\u7684\u963b\u6297\\(Z\\)=\\(R\\)+\\({jX}\\)<\/span>\u3002<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(Z_a=\\displaystyle\\frac{Z_1\u2009Z_3}{Z_1+Z_2+Z_3},\u2026\\)<\/span><\/p>\n<p>\u4e09\u76f8\u4ea4\u6d41\u7535\u8def\u4e2d\u5b9e\u9645\u4e0a\u5f80\u5f80\u5305\u542b\u7535\u611f\u548c\u7535\u5bb9\u7684\u7535\u6297\uff0c\u91c7\u7528\u590d\u6570\u8868\u793a\u65b9\u5f0f\u53ef\u5206\u6790\u76f8\u4f4d\u5dee\u4e43\u81f3\u65e0\u529f\u529f\u7387\u3002<\/p>\n<h2 id=\"toc15\">\u0394-Y\u53d8\u6362\uff08Y-\u0394\u53d8\u6362\uff09\u5728\u4e09\u76f8\u4ea4\u6d41\u7535\u8def\u4e2d\u7684\u5e94\u7528<\/h2>\n<h3 id=\"toc16\">\u7ebf\u7535\u538b\u548c\u76f8\u7535\u538b\u7684\u5173\u7cfb\u68b3\u7406<\/h3>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/01\/10-organizing-line-voltage-and-phase-voltage.jpg\" alt=\"\u7ebf\u7535\u538b\u548c\u76f8\u7535\u538b\u7684\u5173\u7cfb\u68b3\u7406\" width=\"700\" height=\"394\" \/><\/p>\n<p>\u5728\u4e09\u76f8\u4ea4\u6d41\u7535\u8def\u4e2d\uff0c\u8fde\u63a5\u65b9\u5f0f\u4e0d\u540c\u4f7f\u5f97\u76f8\u7535\u538b\u548c\u7ebf\u7535\u538b\u4e4b\u95f4\u7684\u5173\u7cfb\u4e5f\u4e0d\u540c\u3002<\/p>\n<ul class=\"unordered-list\">\n<li>\u0394\u63a5\u6cd5\u4e2d\uff0c\u5404\u7535\u963b\u76f4\u63a5\u8fde\u63a5\u7ebf\u7535\u538b\\(V_L\\)\uff1a<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(V_\u03d5=V_L\\)<\/span><\/li>\n<li>Y\u63a5\u6cd5\u4e2d\uff0c\u65bd\u52a0\u4e8e\u5404\u7535\u963b\uff08\u963b\u6297\uff09\u7684\u7535\u538b\u4e3a\u76f8\u7535\u538b\\(V_\u03d5\\)\uff0c\u4e0e\u7ebf\u7535\u538b\\(V_L\\)\u7684\u5173\u7cfb\u4e3a\uff1a<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(V_\u03d5=\\displaystyle\\frac{V_L}{\u221a3}\\)<\/span><\/li>\n<\/ul>\n<p>\u76f8\u7535\u6d41\u4e0e\u7ebf\u7535\u6d41\u7684\u5bf9\u5e94\u5173\u7cfb\u4e5f\u4e0d\u540c\u3002<\/p>\n<ul class=\"unordered-list\">\n<li>\u0394\u63a5\u6cd5\uff1a<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(I_\u03d5=\\displaystyle\\frac{I_L}{\u221a3}\\)<\/span><\/li>\n<li>Y\u63a5\u6cd5\uff1a<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(I_\u03d5=I_L\\)<\/span><\/li>\n<\/ul>\n<p>\u7531\u4e8e\u0394\u5f62\u63a5\u6cd5\u548cY\u5f62\u63a5\u6cd5\u7684\u7535\u538b\u3001\u7535\u6d41\u5927\u5c0f\u5173\u7cfb\u4e0d\u540c\uff0c\u56e0\u6b64\u5373\u4f7f\u8d1f\u8f7d\u76f8\u540c\uff0c\u63a5\u6cd5\u4e0d\u540c\u4e5f\u4f1a\u4f7f\u7535\u6e90\u4fa7\u7684\u7535\u6d41\u503c\u53d1\u751f\u53d8\u5316\u3002\u901a\u8fc7\u6df1\u5165\u4e86\u89e3\u76f8\u5173\u7684\u4e09\u76f8\u4ea4\u6d41\u57fa\u7840\u77e5\u8bc6\uff0c\u5c06\u4f1a\u4f7f\u0394-Y\u53d8\u6362\u7684\u610f\u4e49\u66f4\u52a0\u660e\u6670\u3002<\/p>\n<h3 id=\"toc17\">\u4e0e\u661f-\u4e09\u89d2\u542f\u52a8\u548c\u4e09\u76f8\u53d8\u538b\u5668\u7684\u5173\u8054<\/h3>\n<ul class=\"unordered-list\">\n<li><strong>\u661f-\u4e09\u89d2\u542f\u52a8<\/strong><br 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\/>\n\u8fd9\u90e8\u5206\u5185\u5bb9\u867d\u7136\u4e0e\u0394-Y\u53d8\u6362\u516c\u5f0f\u672c\u8eab\u4e0d\u540c\uff0c\u4f46\u8981\u60f3\u6b63\u786e\u4e86\u89e3\u201cY\u8fde\u63a5\u65f6\u548c\u0394\u8fde\u63a5\u65f6\uff0c\u7aef\u5b50\u95f4\u7684\u7535\u538b\u548c\u7535\u6d41\u5982\u4f55\u53d8\u5316\u201d\uff0c\u0394-Y\u5173\u7cfb\u4f5c\u4e3a\u57fa\u7840\u77e5\u8bc6\u975e\u5e38\u91cd\u8981\u3002<\/li>\n<li><strong>\u4e09\u76f8\u53d8\u538b\u5668<\/strong><br \/>\n\u901a\u8fc7\u5bf9\u7ed5\u7ec4\u8fdb\u884c\u0394-\u0394\u3001Y-Y\u6216\u0394-Y\u7b49\u4e0d\u540c\u65b9\u5f0f\u7684\u8fde\u63a5\uff0c\u53ef\u8c03\u6574\u7ebf\u7535\u538b\u4e0e\u76f8\u7535\u538b\u7684\u53d8\u6362\u6bd4\u503c\u3002\u5728\u53d8\u538b\u5668\u63a5\u7ebf\u4e2d\uff0c\u0394-Y\u53d8\u6362\u7684\u601d\u8def\u5177\u6709\u5b9e\u9645\u5e94\u7528\u4ef7\u503c\uff0c\u6709\u52a9\u4e8e\u4e86\u89e3\u201c\u0394\u5f62\u548cY\u5f62\u7684\u533a\u522b\u201d\u3002<\/li>\n<\/ul>\n<h2 id=\"toc18\">\uff08\u53c2\u8003\uff09\u591a\u7535\u6e90\u7535\u8def\u4e0e\u53e0\u52a0\u5b9a\u7406<\/h2>\n<p>\u5e94\u7528\u53e0\u52a0\u5b9a\u7406\u5bf9\u542b\u591a\u4e2a\u72ec\u7acb\u7535\u6e90\u7684\u7535\u8def\u8fdb\u884c\u5206\u6790\u65f6\uff0c\u901a\u8fc7\u5c06\u7535\u8def\u7b80\u5316\u4e3a\u201c\u4ec5\u4fdd\u7559\u4e00\u4e2a\u7535\u6e90\uff0c\u5176\u4f59\u7535\u6e90\u77ed\u8def\u6216\u5f00\u8def\u201c\u7684\u5f62\u5f0f\uff0c\u6700\u7ec8\u518d\u5c06\u5404\u7b80\u5316\u7535\u8def\u7684\u5206\u6790\u7ed3\u679c\u8fdb\u884c\u53e0\u52a0\u3002<\/p>\n<ul class=\"unordered-list\">\n<li><strong>\u4e0e\u0394-Y\u53d8\u6362\u8054\u7528\uff1a<\/strong>\n<ul>\n<li>\u5f53\u7535\u6e90\u8f83\u591a\u4f7f\u5f97\u7535\u8def\u5f88\u590d\u6742\u65f6\uff0c\u53ef\u5148\u7981\u7528\u90e8\u5206\u7535\u6e90\u5c06\u7535\u8def\u7b80\u5316\uff0c\u5728\u6b64\u57fa\u7840\u4e0a\u8fdb\u884c\u0394-Y\u53d8\u6362\uff0c\u5c06\u66f4\u6613\u4e8e\u8fdb\u884c\u7535\u963b\/\u963b\u6297\u7684\u5408\u6210\u3002<\/li>\n<li>\u901a\u8fc7\u5c06\u201c\u5404\u7535\u6e90\u5355\u72ec\u4f5c\u7528\u65f6\u7684\u7535\u6d41\u3001\u7535\u538b\u201d\u7ed3\u679c\u76f8\u52a0\uff0c\u6700\u7ec8\u53ef\u638c\u63e1\u591a\u7535\u6e90\u540c\u65f6\u4f5c\u7528\u65f6\u7684\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5b9e\u9645\u5e94\u7528\u65f6\u7684\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong>\n<ul>\n<li>\u5728\u76f4\u6d41\u7535\u6e90\u548c\u4ea4\u6d41\u7535\u6e90\u5171\u5b58\u7684\u7535\u8def\u4e2d\uff0c\u76f8\u4f4d\u548c\u5e73\u5747\u503c\u7b49\u53c2\u6570\u7684\u5904\u7406\u6709\u65f6\u4f1a\u6bd4\u8f83\u590d\u6742\u3002\u5728\u4e09\u76f8\u4ea4\u6d41\u7535\u8def\u4e2d\u5b58\u5728\u76f8\u4f4d\u5dee\uff08120\u00b0\uff09\u6216\u8c10\u6ce2\u5206\u91cf\u65f6\uff0c\u9700\u8981\u7ed3\u5408\u590d\u6570\u548c\u5085\u91cc\u53f6\u5206\u6790\u65b9\u6cd5\u8fdb\u884c\u5904\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u5173\u4e8e\u53e0\u52a0\u5b9a\u7406\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u8bf7\u53c2\u9605\u201c<a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/circuit-design\/circuit-design-basic\/26425\">\u4ec0\u4e48\u662f\u53e0\u52a0\u5b9a\u7406<\/a>\u201d\u4e00\u6587\u3002<\/p>\n<h2 id=\"toc19\">\u603b\u7ed3<\/h2>\n<ol 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