{"id":12579,"date":"2021-09-22T05:14:00","date_gmt":"2021-09-21T21:14:00","guid":{"rendered":"http:\/\/222.73.203.234:9999\/?p=12579"},"modified":"2022-12-16T11:31:18","modified_gmt":"2022-12-16T03:31:18","slug":"pfc%e7%94%b5%e8%b7%af%ef%bc%9a%e5%bc%80%e5%85%b3%e9%a2%91%e7%8e%87%e7%9a%84%e8%b0%83%e6%95%b4-2","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/simulation\/rss-sim\/01-rss-sim\/9857","title":{"rendered":"PFC\u7535\u8def\uff1a\u5f00\u5173\u9891\u7387\u7684\u8c03\u6574"},"content":{"rendered":"<p><strong>PFC\u7535\u8def\uff1a\u5f00\u5173\u9891\u7387\u7684\u8c03\u6574<\/strong> \u6b64\u524d\uff0c\u4f5c\u4e3a\u901a\u8fc7\u6539\u53d8\u7535\u8def\u6761\u4ef6\u6765\u4f18\u5316\u7535\u611f\u7535\u6d41\u7eb9\u6ce2\u7387\u7684\u65b9\u6cd5\uff0c\u6211\u4eec\u4ecb\u7ecd\u8fc7\u8c03\u6574\u7535\u611f\u5668\u7684\u7535\u611f\u503c\u7684\u65b9\u6cd5\u3002\u5728\u8fd9\u91cc\u5c06\u4ecb\u7ecd\u53e6\u4e00\u79cd\u65b9\u6cd5\uff0c\u5373\u8c03\u6574\u5f00\u5173\u9891\u7387f<sub>SW<\/sub>\u7684\u65b9\u6cd5\u3002\u5de5\u4f5c\u6a21\u5f0f\u4ee5CCM\uff08\u7535\u6d41\u8fde\u7eed\u6a21\u5f0f\uff09\u4e3a\u524d\u63d0\u3002 <strong>\u7535\u8def\u793a\u4f8b<\/strong> \u8be5\u7535\u8def\u4ee5<a href=\"https:\/\/www.wfjydl.com\/solution-simulator\" target=\"_blank\" rel=\"noopener noreferrer\">Power Device Solution Circuit\/AC-DC PFC<\/a>\u7684\u4e00\u89c8\u8868\u4e2d\u7684\u4eff\u771f\u7535\u8def\u201c<a href=\"https:\/\/www.wfjydl.com\/solution-simulator\/ccm_synchro_vin200v_iin2_5a\" target=\"_blank\" rel=\"noopener noreferrer\">A-6. PFC CCM Synchro V<sub>in<\/sub>\uff1d200V I<sub>in<\/sub>\uff1d2.5A<\/a>\u201d\u4e3a\u4f8b\uff08\u53c2\u8003\u56fe6\uff09\u3002 \u5173\u4e8e\u66f4\u8be6\u7ec6\u7684\u7535\u8def\u56fe\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7<a href=\"https:\/\/fscdn.rohm.com\/en\/products\/databook\/reference\/A006.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u8fd9\u91cc<\/a>\u67e5\u770b\u3002 \u5728\u672c\u4f8b\u4e2d\uff0c\u5f53\u6539\u53d8\u4e86\u56fe6\u9ec4\u8272\u6846\u4e2d\u7684\u6761\u4ef6\u65f6\uff0c\u9700\u8981\u901a\u8fc7\u8c03\u6574\u5f00\u5173\u9891\u7387\u6765\u4f18\u5316\u7535\u611f\u7535\u6d41\u7684\u7eb9\u6ce2\u7387\u3002\u53ef\u901a\u8fc7\u4eff\u771f\u6765\u68c0\u9a8c\u5176\u7ed3\u679c\u3002<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"\/upload\/2021\/09\/SIM2_4_f1.png\" alt=\"极悦娱乐 Solution Simulator\u306ePower Device Solution Circuit PFC\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u56de\u8def\u300cA-6. PFC CCM Synchro CCM Vin\uff1d200V Iin\uff1d2.5A\u300d\u304a\u3088\u3073\u5909\u66f4\u6761\u4ef6\"> \u56fe6\uff1aPFC\u4eff\u771f\u7535\u8def\u201cA-6. PFC CCM Synchro V<sub>in<\/sub>\uff1d200V I<sub>in<\/sub>\uff1d2.5A\u201d\u53ca\u6539\u53d8\u6761\u4ef6<\/p>\n<p><strong>\u5f00\u5173\u9891\u7387\u8c03\u6574\u524d\u7684\u7eb9\u6ce2\u7387<\/strong> \u56fe7\u8868\u793a\u8c03\u6574\u5f00\u5173\u9891\u7387f<sub>SW<\/sub>\u4e4b\u524d\uff08\u9ed8\u8ba4\u503c\uff1a100kHz\uff09\u7684\u7535\u611f\u7535\u6d41I<sub>L<\/sub>\u3002\u5b83\u7684\u5cf0\u503c\u4e3a I<sub>L_peak<\/sub>\u22487.8A \u3002<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"\/upload\/2021\/09\/SIM2_4_f2.png\" alt=\"\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u5468\u6ce2\u6570fSW\u8abf\u6574\u524d\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\uff1a100kHz\uff09\u306e\u30a4\u30f3\u30c0\u30af\u30bf\u96fb\u6d41IL\"> \u56fe7\uff1a\u5f00\u5173\u9891\u7387f<sub>SW<\/sub>\u8c03\u6574\u524d\uff08\u9ed8\u8ba4\u503c\uff1a100kHz\uff09\u7684\u7535\u611f\u7535\u6d41I<sub>L<\/sub><\/p>\n<p>\u8f93\u5165\u7535\u6d41\u7684\u5cf0\u503c\u4e3aI<sub>in_peak<\/sub>=\u221a2\u00d7I<sub>in<\/sub>\u22487.07A\uff0c\u6839\u636e\u8fd9\u4e9b\u6761\u4ef6\uff0c\u7eb9\u6ce2\u7387M\u8ba1\u7b97\u5982\u4e0b\uff1a <img decoding=\"async\" src=\"\/upload\/2021\/09\/SIM2_4_f4.png\" alt=\"PFC\u56de\u8def\uff1a\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u5468\u6ce2\u6570\u306e\u8abf\u6574\"> \u4e8e\u7eb9\u6ce2\u7387\u4e0e\u901a\u5e38\u7684\u201c\u5c0f\u4e8e30%\u201d\u76f8\u6bd4\u8db3\u591f\u5c0f\uff0c\u56e0\u6b64\u8003\u8651\u901a\u8fc7\u964d\u4f4ef<sub>SW<\/sub>\u6765\u4f18\u5316\u7eb9\u6ce2\u7387\uff0c\u4ece\u800c\u63d0\u9ad8\u6548\u7387\u3002f<sub>SW<\/sub>\u8c03\u6574\u524d\u7684\u6548\u7387\u4e3a \u03b7=97.2% \u3002 <strong>\u5f00\u5173\u9891\u7387\u7684\u8c03\u6574<\/strong> \u5f00\u5173\u9891\u7387f<sub>SW<\/sub>\u901a\u5e38\u5229\u7528\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\uff1a <img decoding=\"async\" src=\"\/upload\/2021\/09\/SIM2_4_f5.png\" alt=\"PFC\u56de\u8def\uff1a\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u5468\u6ce2\u6570\u306e\u8abf\u6574\"> \u8bbe \u03b7=0.972\u3001\u7eb9\u6ce2\u7387M\u4e3a\u901a\u5e38\u768430%\uff080.3\uff09\uff0c\u5219f<sub>SW<\/sub>\u8ba1\u7b97\u5982\u4e0b\uff1a <img decoding=\"async\" src=\"\/upload\/2021\/09\/SIM2_4_f6.png\" alt=\"PFC\u56de\u8def\uff1a\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u5468\u6ce2\u6570\u306e\u8abf\u6574\"> \u4ece\u8ba1\u7b97\u7ed3\u679c\u6765\u770b\uff0c\u5f53\u6539\u53d8\u4e3af<sub>SW<\/sub>=55kHz\u5e76\u91cd\u65b0\u8fdb\u884c\u4eff\u771f\u65f6\uff0c\u5982\u56fe8\u6240\u793a\uff0c\u5cf0\u503c\u7535\u611f\u7535\u6d41\u53d8\u4e3aI<sub>L_peak<\/sub>\u22488.5A\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u7eb9\u6ce2\u7387 M=(8.5\uff0d7.07)\/7.07\u224820.2%\u3002\u6548\u7387\u4e3a \u03b7=97.3%\uff0c\u6bd4f<sub>SW<\/sub>\u8c03\u6574\u524d\u63d0\u9ad8\u4e860.1%\u3002\u901a\u8fc7\u4eff\u771f\u53ef\u4ee5\u9a8c\u8bc1\uff0c\u901a\u8fc7\u8fd9\u79cdf<sub>SW<\/sub>\u8c03\u6574\uff0c\u53ef\u4ee5\u83b7\u5f97\u9002\u5f53\u7684\u7535\u611f\u7535\u6d41\u7eb9\u6ce2\u7387\uff0c\u540c\u65f6\u8fd8\u53ef\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"\/upload\/2021\/09\/SIM2_4_f3.png\" alt=\"\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u5468\u6ce2\u6570fSW\u309255kHz\u306b\u8abf\u6574\u3057\u305f\u5834\u5408\u306e\u30a4\u30f3\u30c0\u30af\u30bf\u96fb\u6d41IL\"> \u56fe8\uff1a\u5c06\u5f00\u5173\u9891\u7387f<sub>SW<\/sub>\u8c03\u6574\u4e3a55kHz\u540e\u7684\u7535\u611f\u7535\u6d41I<sub>L<\/sub><\/p>\n<div id=\"keypoint-simulation\" class=\"keypoint indent\">\n<h4>\u5173\u952e\u8981\u70b9:<\/h4>\n<p>\u30fb\u672c\u6587\u7684\u793a\u4f8b\u8868\u660e\uff0c\u5f53\u6539\u53d8\u4e86PFC Synchronous CCM\u7535\u8def\u4e2d\u7684\u5de5\u4f5c\u6761\u4ef6\u65f6\uff0c\u901a\u8fc7\u8c03\u6574\u5f00\u5173\u9891\u7387\uff0c\u53ef\u4ee5\u4f18\u5316\u7535\u611f\u7535\u6d41\u7eb9\u6ce2\u7387\uff0c\u540c\u65f6\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\u3002 \u30fb\u8ba1\u7b97\u53ef\u4ee5\u83b7\u5f97\u9002\u5f53\u7eb9\u6ce2\u7387\u7684\u5f00\u5173\u9891\u7387\uff0c\u5e76\u901a\u8fc7\u4eff\u771f\u8fdb\u884c\u9a8c\u8bc1\u3002\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"PFC\u7535\u8def\uff1a\u5f00\u5173\u9891\u7387\u7684\u8c03\u6574 \u6b64\u524d\uff0c\u4f5c\u4e3a\u901a\u8fc7\u6539\u53d8\u7535\u8def\u6761\u4ef6\u6765\u4f18\u5316\u7535\u611f\u7535\u6d41\u7eb9\u6ce2\u7387\u7684\u65b9\u6cd5\uff0c\u6211\u4eec\u4ecb\u7ecd\u8fc7\u8c03\u6574\u7535\u611f\u5668\u7684\u7535\u611f\u503c\u7684\u65b9\u6cd5\u3002\u5728\u8fd9\u91cc\u5c06\u4ecb\u7ecd\u53e6\u4e00\u79cd\u65b9\u6cd5\uff0c\u5373\u8c03\u6574\u5f00\u5173\u9891\u7387fSW\u7684\u65b9\u6cd5\u3002\u5de5\u4f5c\u6a21\u5f0f\u4ee5CCM\uff08\u7535\u6d41\u8fde\u7eed\u6a21\u5f0f\uff09\u4e3a\u524d\u63d0\u3002 \u7535\u8def\u793a\u4f8b [&hellip;]","protected":false},"author":7,"featured_media":15995,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1502],"tags":[1507,1553,1552,1551,1550,1549,1548,1547,1546,1545,1510,1509,405,1506,1505,1504,1503,842,840,839,834,830,783,613],"class_list":["post-12579","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-01-rss-sim","tag-spice","tag-1553","tag-web","tag-pfc","tag-pfc-synchronous","tag-pfc-ccm","tag-sct2450ke","tag-1509","tag-sic-mosfet","tag-rohm-solution-simulator","tag-power-device-solution-circuit","tag-myrohm","tag-ics-solution-circuit","tag-840","tag-839","tag-pspice","tag-783"],"acf":[],"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/12579","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/comments?post=12579"}],"version-history":[{"count":2,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/12579\/revisions"}],"predecessor-version":[{"id":21835,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/12579\/revisions\/21835"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media\/15995"}],"wp:attachment":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media?parent=12579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/categories?post=12579"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/tags?post=12579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}