{"id":30788,"date":"2000-01-13T15:35:04","date_gmt":"2000-01-13T07:35:04","guid":{"rendered":"http:\/\/www.qiusir.com\/?p=30788"},"modified":"2026-03-23T19:24:27","modified_gmt":"2026-03-23T11:24:27","slug":"13-%e5%8f%98%e5%8e%8b%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.qiusir.com\/?p=30788","title":{"rendered":"\u00a714.\u4ea4\u6d41\u7535"},"content":{"rendered":"<p><center><img decoding=\"async\" alt=\"\" src=\"http:\/\/www.qiusir.com\/wp-content\/gallery\/physics\/20240309AC.jpg\" width=\"580\" class=\"framed\" \/><\/center><br \/>\n\u4ee5\u524d\u535a\u4e01\u5b66\u957f\u5c31\u63d0\u9192\u8fc7\u6211\u53d8\u538b\u5668\u7684\u82f1\u6587tansformer\u6709\u201c\u8f6c\u6362\u5668\u201d\u7684\u610f\u601d\u3002<br \/>\n\u60f3\u6765\u4e5f\u662f\uff0c\u53d8\u538b\u5668\u4f55\u6b62\u662f\u53d8\u538b\uff08$\\frac{U_1}{U_2}=\\frac{n_1}{n_2}$\uff09\u5462\uff0c\u4e5f\u662f\u53d8\u6d41\u5668\uff08$\\frac{I_1}{I_2}=\\frac{n_2}{n_1}$\uff09\u3001\u53d8\u963b\uff08$R_1=(\\frac{n_1}{n_2})^2R_2$\uff0c$r&#8217;=(\\frac{n_2}{n_1})^2r$\uff09\uff0c\u751a\u81f3\u53d8\u6e90\u5668\uff08$\\frac{n_2}{n_1}U_0=(\\frac{n_2}{n_1})^2rI_2+U_2$\uff09\uff08\u65b9\u4fbf\u8ba8\u8bba\u6700\u5927\u8f93\u51fa\u529f\u7387\u7684\u95ee\u9898\uff09&#8230;<br \/>\n\u5f53\u7136\u53d8\u538b\u5668\u4e5f\u8981\u8003\u8651$n_1U_1=n_2U_2+n_3U_3$\u4ee5\u53ca$\\Phi_1=\\Phi_2+\\Phi_3$\u7b49\u60c5\u51b5\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u5bf9\u4e00\u4e2a\u539f\u7ebf\u5708\u591a\u4e2a\u526f\u7ebf\u5708\u7684\u60c5\u51b5\uff0c$\\frac{n_1^2}{R_1}=\\frac{n_2^2}{R_2}+\\frac{n_3^2}{R_3}$<\/p>\n<p>\u53d8\u538b\u5668\u7684\u5404\u79cd\u8f6c\u6362\u516c\u5f0f\u4ee5\u53ca\u7b49\u6548\u7535\u6e90<\/p>\n<p>\u5173\u4e8e\u6709\u6548\u503c\u7684\u63a8\u5bfc\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u7528\u6b63\u5f26\u548c\u4f59\u5f26\u53e0\u52a0\uff0c$2Q=I_m^2RT=2I^2RT$<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u524d\u535a\u4e01\u5b66\u957f\u5c31\u63d0\u9192\u8fc7\u6211\u53d8\u538b\u5668\u7684\u82f1\u6587tansformer\u6709\u201c\u8f6c\u6362\u5668\u201d\u7684\u610f\u601d\u3002 \u60f3\u6765\u4e5f\u662f\uff0c\u53d8\u538b\u5668\u4f55\u6b62\u662f\u53d8\u538b\uff08$\\f &#8230; <a title=\"\u00a714.\u4ea4\u6d41\u7535\" class=\"read-more\" href=\"https:\/\/www.qiusir.com\/?p=30788\" aria-label=\"\u9605\u8bfb \u00a714.\u4ea4\u6d41\u7535\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-30788","post","type-post","status-publish","format-standard","hentry","category-self"],"_links":{"self":[{"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/posts\/30788","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=30788"}],"version-history":[{"count":1,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/posts\/30788\/revisions"}],"predecessor-version":[{"id":43608,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/posts\/30788\/revisions\/43608"}],"wp:attachment":[{"href":"https:\/\/www.qiusir.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=30788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30788"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}