{"id":2922,"date":"2019-12-04T06:38:42","date_gmt":"2019-12-04T06:38:42","guid":{"rendered":""},"modified":"2019-12-04T14:40:24","modified_gmt":"2019-12-04T06:40:24","slug":"%e5%bc%80%e5%85%b3%e7%94%b5%e6%ba%90%e4%b8%ad%e4%ba%a7%e7%94%9f%e7%94%b5%e7%a3%81%e5%b9%b2%e6%89%b0%e7%9a%84%e5%8e%9f%e7%90%86%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2922","title":{"rendered":"\u5f00\u5173\u7535\u6e90\u4e2d\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u539f\u7406\u89e3\u6790"},"content":{"rendered":"

\n\t1 \u6982\u8ff0<\/p>\n

\n\t\u76ee\u524d\uff0c\u7535\u5b50\u4ea7\u54c1\u7535\u78c1\u517c\u5bb9\u95ee\u9898\u8d8a\u6765\u8d8a\u53d7\u5230\u4eba\u4eec\u7684\u91cd\u89c6\uff0c\u5c24\u5176\u662f\u4e16\u754c\u4e0a\u53d1\u8fbe\u56fd\u5bb6\uff0c\u5df2\u7ecf\u5f62\u6210\u4e86\u4e00\u5957\u5b8c\u6574\u7684\u7535\u78c1\u517c\u5bb9\u4f53\u7cfb\uff0c\u540c\u65f6\u6211\u56fd\u4e5f\u6b63\u5728\u5efa\u7acb\u7535\u78c1\u517c\u5bb9\u4f53\u7cfb\uff0c\u56e0\u6b64\uff0c\u5b9e\u73b0\u4ea7\u54c1\u7684\u7535\u78c1\u517c\u5bb9\u662f\u8fdb\u5165\u56fd\u9645\u5e02\u573a\u7684\u901a\u884c\u8bc1\u3002\u5bf9\u4e8e\u5f00\u5173\u7535\u6e90<\/u>\u6765\u8bf4\uff0c\u7531\u4e8e\u5f00\u5173<\/u>\u7ba1\u3001\u6574\u6d41\u7ba1\u5de5\u4f5c\u5728\u5927\u7535\u6d41<\/u>\u3001\u9ad8\u7535\u538b\u7684\u6761\u4ef6\u4e0b\uff0c\u5bf9\u5916\u754c\u4f1a\u4ea7\u751f\u5f88\u5f3a\u7684\u7535\u78c1\u5e72\u6270\uff0c\u56e0\u6b64\u5f00\u5173\u7535\u6e90\u7684\u4f20\u5bfc\u53d1\u5c04\u548c\u7535\u78c1\u8f90\u5c04\u53d1\u5c04\u76f8\u5bf9\u5176\u5b83\u4ea7\u54c1\u6765\u8bf4\u66f4\u52a0\u96be\u4ee5\u5b9e\u73b0\u7535\u78c1\u517c\u5bb9\uff0c\u4f46\u5982\u679c\u6211\u4eec\u5bf9\u5f00\u5173\u7535\u6e90\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u539f\u7406\u4e86\u89e3\u6e05\u695a\u540e\uff0c\u5c31\u4e0d\u96be\u627e\u5230\u5408\u9002\u7684\u5bf9\u7b56\uff0c\u5c06\u4f20\u5bfc\u53d1\u5c04\u7535\u5e73\u548c\u8f90\u5c04\u53d1\u5c04\u7535\u5e73\u964d\u5230\u5408\u9002\u7684\u6c34\u5e73\uff0c\u5b9e\u73b0\u7535\u78c1\u517c\u5bb9\u6027\u8bbe\u8ba1\u3002<\/p>\n

\n\t <\/div>\n

\n\t2 \u5f00\u5173\u7535\u6e90\u4f20\u5bfc\u9a9a\u6270<\/p>\n

\n\t2.1 \u4f20\u5bfc\u53d1\u5c04\u7684\u4ea7\u751f<\/p>\n

\n\t\u5f00\u5173\u7535\u6e90\u7684\u4f20\u5bfc\u9a9a\u6270\u662f\u901a\u8fc7\u7535\u6e90\u7684\u8f93\u5165\u7535\u6e90\u7ebf\u5411\u5916\u4f20\u64ad\u7684\u7535\u78c1\u5e72\u6270\u3002\u5728\u5f00\u5173\u7535\u6e90\u8f93\u5165\u7535\u6e90\u7ebf\u4e2d\u5411\u5916\u4f20\u64ad\u7684\u9a9a\u6270\uff0c\u65e2\u6709\u5dee\u6a21\u9a9a\u6270\u3001\u53c8\u6709\u5171\u6a21\u9a9a\u6270\uff0c\u5171\u6a21\u9a9a\u6270\u6bd4\u5dee\u6a21\u9a9a\u6270\u4ea7\u751f\u66f4\u5f3a\u7684\u8f90\u5c04\u9a9a\u6270\u3002\u4f20\u5bfc\u9a9a\u6270\u7684\u6d4b\u8bd5<\/u>\u9891\u7387\u8303\u56f4\u4e3a150KHz\uff5e30MHz\uff0c\u9650\u503c\u8981\u6c42\u5982\u4e0b\u88681 \u6240\u793a\uff1a<\/p>\n

\n\t\"\u5f00\u5173\u7535\u6e90\u4e2d\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u539f\u7406\u89e3\u6790\"<\/p>\n

\n\t\u57280.15MHz\uff5e1MHz \u7684\u9891\u7387\u8303\u56f4\u5185\uff0c\u9a9a\u6270\u4e3b\u8981\u4ee5\u5171\u6a21\u7684\u5f62\u5f0f\u5b58\u5728\uff0c\u57281MHz\uff5e10MHz \u7684\u9891\u7387\u8303\u56f4\u5185\uff0c\u9a9a\u6270\u7684\u5f62\u5f0f\u662f\u5dee\u6a21\u548c\u5171\u6a21\u5171\u5b58\uff0c\u572810MHz \u4ee5\u4e0a\uff0c\u9a9a\u6270\u7684\u5f62\u5f0f\u4e3b\u8981\u4ee5\u5171\u819c\u4e3a\u4e3b\u3002\u4f20\u5bfc\u53d1\u5c04\u7684\u5dee\u6a21\u9a9a\u6270\u7684\u4ea7\u751f\u4e3b\u8981\u662f\u7531\u4e8e\u5f00\u5173\u7ba1\u5de5\u4f5c\u5728\u5f00\u5173\u72b6\u6001\uff0c\u5f53\u5f00\u5173\u7ba1\u5f00\u901a\u65f6\uff0c\u6d41\u8fc7\u7535\u6e90\u7ebf\u7684\u7535\u6d41\u7ebf\u5f62\u4e0a\u5347\uff0c\u5f00\u5173\u7ba1\u5173\u65ad\u65f6\u7535\u6d41\u7a81\u53d8\u4e3a0\uff0c\u56e0\u6b64\u6d41\u8fc7\u7535\u6e90\u7ebf\u7684\u7535\u6d41\u4e3a\u9ad8\u9891\u7684\u4e09\u89d2\u8109\u52a8\u7535\u6d41\uff0c\u542b\u6709\u4e30\u5bcc\u7684\u9ad8\u9891\u8c10\u6ce2\u5206\u91cf\uff0c\u968f\u7740\u9891\u7387\u7684\u5347\u9ad8\uff0c\u8be5\u8c10\u6ce2\u5206\u91cf\u7684\u5e45\u5ea6\u8d8a\u6765\u8d8a\u5c0f\uff0c\u56e0\u6b64\u5dee\u6a21\u9a9a\u6270\u968f\u9891\u7387\u7684\u5347\u9ad8\u800c\u964d\u4f4e\uff0c\u53e6\u5916\uff0c\u5982\u4e0b\u56fe1 \u6240\u793a\uff0c\u7531\u4e8e\u7535\u5bb9<\/u>C5 \u7684\u5b58\u5728\uff0c\u5b83\u4e0e\u7535\u611f<\/u>L3 \u7ec4\u6210\u4f4e\u901a\u6ee4\u6ce2\u5668<\/u>\uff0c\u56e0\u6b64\uff0c\u5dee\u6a21\u4f20\u5bfc\u9a9a\u6270\u4e3b\u8981\u5b58\u5728\u4f4e\u9891\u7387\u6bb5\u3002<\/p>\n

\n\t\"\u5f00\u5173\u7535\u6e90\u4e2d\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u539f\u7406\u89e3\u6790\"<\/p>\n

\n\t\u5171\u6a21\u9a9a\u6270\u7684\u4ea7\u751f\u4e3b\u8981\u539f\u56e0\u662f\u7535\u6e90\u4e0e\u5927\u5730\uff08\u4fdd\u62a4\u5730\uff09\u4e4b\u95f4\u5b58\u5728\u6709\u5206\u5e03\u7535\u5bb9\uff0c\u7535\u8def<\/u>\u4e2d\u65b9\u6ce2\u7535\u538b\u7684\u9ad8\u9891\u8c10\u6ce2\u5206\u91cf\u901a\u8fc7\u5206\u5e03\u7535\u5bb9\u4f20\u5165\u5927\u5730\uff0c\u4e0e\u7535\u6e90\u7ebf\u6784\u6210\u56de\u8def\uff0c\u4ea7\u751f\u5171\u6a21\u9a9a\u6270\u3002<\/p>\n

\n\t\u5982\u4e0a\u56fe 1 \u6240\u793a\uff0cL\u3001N \u4e3a\u7535\u6e90\u8f93\u5165\uff0cC1\u3001C2\u3001C3\u3001C4\u3001C5\u3001L1\u3001L2 \u7ec4\u6210\u8f93\u5165EMI<\/u> \u6ee4\u6ce2\u5668\uff0cDB1 \u4e3a\u6574\u6d41\u6865<\/u>\uff0cL1\u3001VD1\u3001C6 \u548cVT2 \u4e3a\u529f\u7387\u56e0\u6570\u77eb\u6b63\u4e3b\u7535\u8def\uff0cVT2 \u4e3a\u5f00\u5173\u7ba1\uff0c\u5f00\u5173\u7ba1\u7684D \u6781\u4e0e\u7ba1\u5b50\u7684\u6563\u70ed\u5668\u76f8\u8fde\uff0c\u5f00\u5173\u7ba1\u5b89\u88c5\u5728\u6563\u70ed\u5668\u4e0a\u65f6\uff0c\u4e0e\u6563\u70ed\u5668\u4e4b\u95f4\u5f62\u6210\u4e00\u4e2a\u8026\u5408<\/u>\u7535\u5bb9\uff0c\u5982\u56fe1 \u4e2d\u7684C7 \u6240\u793a\uff0c\u5f00\u5173\u7ba1VT2 \u5de5\u4f5c\u5728\u5f00\u5173\u72b6\u6001\uff0c\u5176D \u6781\u7684\u7535\u538b\u4e3a\u9ad8\u9891\u65b9\u6ce2\uff0c\u65b9\u6ce2\u7684\u9891\u7387\u4e3a\u5f00\u5173\u7ba1\u7684\u5f00\u5173\u9891\u7387\uff0c\u65b9\u6ce2\u4e2d\u7684\u5404\u6b21\u8c10\u6ce2\u5c31\u4f1a\u901a\u8fc7\u8026\u5408\u7535\u5bb9\u3001L\u3001N \u7535\u6e90\u7ebf\u6784\u6210\u56de\u8def\uff0c\u4ea7\u751f\u5171\u6a21\u9a9a\u6270\u3002\u7535\u6e90\u4e0e\u5927\u5730\u7684\u5206\u5e03\u7535\u5bb9\u6bd4\u8f83\u5206\u6563\uff0c\u96be\u4ee5\u4f30\u7b97\uff0c\u4f46\u4ece\u4e0a\u9762\u7684\u56fe1 \u6765\u770b\uff0c\u5f00\u5173\u7ba1VT2 \u7684D \u6781\u4e0e\u6563\u70ed\u5668\u4e4b\u95f4\u8026\u5408\u7535\u5bb9\u7684\u4f5c\u7528\u6700\u5927\uff0c\u5728\u4e0a\u9762\u7684\u56fe1 \u4e2d\uff0c\u4ece\u6574\u6d41\u6865\u5230\u7535\u611fL3 \u4e4b\u95f4\u7684\u7535\u538b\u4e3a100Hz \u7684\u5de5\u9891\u6ce2\u5f62\uff0c\u800c\u4ece\u7535\u611fL3 \u5230\u4e8c\u6781\u7ba1<\/u>VD1 \u548c\u5f00\u5173\u7ba1VT2D \u6781\u4e4b\u95f4\u7684\u8fde\u7ebf\u7684\u7535\u538b\u5747\u4e3a\u65b9\u6ce2\u7535\u538b\uff0c\u542b\u6709\u5927\u91cf\u7684\u9ad8\u6b21\u8c10\u6ce2\u3002\u5176\u6b21\u7535\u611fL3 \u7684\u5f71\u54cd\u4e5f\u6bd4\u8f83\u5927\uff0c\u4f46L3 \u4e0e\u673a\u58f3\u7684\u8ddd\u79bb\u6bd4\u8f83\u8fdc\uff0c\u5206\u5e03\u7535\u5bb9\u6bd4\u5f00\u5173\u7ba1\u548c\u6563\u70ed\u5668\u4e4b\u95f4\u7684\u8026\u5408\u7535\u5bb9\u5c0f\u7684\u591a\uff0c\u56e0\u6b64\u6211\u4eec\u4e3b\u8981\u8003\u8651\u5f00\u5173\u7ba1\u4e0e\u6563\u70ed\u5668\u4e4b\u95f4\u7684\u8026\u5408\u7535\u5bb9\u3002<\/p>\n

\n\t2.2 \u4f20\u5bfc\u9a9a\u6270\u7684\u89e3\u51b3\u65b9\u6cd5<\/p>\n

\n\t2.2.1 EMI \u6ee4\u6ce2\u5668<\/p>\n

\n\t\u89e3\u51b3\u4f20\u5bfc\u9a9a\u6270\u76ee\u524d\u5927\u90fd\u91c7\u7528\u65e0\u6e90\u6ee4\u6ce2\u5668\uff0c\u5982\u4e0a\u56fe 1 \u4e2d\u6240\u793a\uff0cC1\u3001C2\u3001C3\u3001C4\u3001C5\u3001L1\u3001L2 \u7ec4\u6210\u4e00\u4e2aEMI \u6ee4\u6ce2\u5668\uff0cL1\u3001L2 \u662f\u4e24\u4e2a\u5171\u6a21\u7535\u611f<\/u>\uff0c\u4e00\u822c\u6765\u8bf4\uff0c\u5728\u5171\u6a21\u7535\u611f\u5f53\u4e2d\uff0c\u542b\u670920%\u5de6\u53f3\u7684\u5dee\u6a21\u7535\u611f\uff0c\u4e0e\u7535\u5bb9C1\u3001C2\u3001C3 \u6784\u6210\u5dee\u6a21\u6ee4\u6ce2\u5668\uff0cC4\u3001C5 \u662f\u5171\u6a21\u7535\u5bb9\uff0c\u4e0e\u7535\u611fL1\u3001L2 \u6784\u6210\u5171\u6a21\u6ee4\u6ce2\u5668\u3002<\/p>\n

\n\t\u5171\u6a21\u7535\u611f\u91cf\u7684\u8ba1\u7b97\uff1a<\/p>\n

\n\t\u5047\u8bbe\u5f00\u5173\u7ba1\u96c6\u7535\u6781\u7684\u5e72\u6270\u7535\u538b\u5728 400V \u5de6\u53f3\uff0c\u8f6c\u6362\u6210dB\uff08μV\uff09\u4e3a\uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u4f20\u5bfc\u53d1\u5c04\u6d4b\u8bd5\u8bbe\u5907\u5185\u90e8\u7684\u53bb\u8026\u7f51\u7edc\uff08LISN\uff09\u5185\u963bZin \u6807\u51c6\u4e3a50Ω\u3002\u5219\u8026\u5408\u7535\u5bb9C7 \u4e0e\u6d4b\u8bd5\u8bbe\u5907\u53bb\u8026\u7f51\u7edc\u7684\u5185\u963bZin \u5bf9\u9a9a\u6270\u7535\u5e73\u7684\u8870\u51cf\u4e3a\uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u5219\uff1a\u5982\u679c\u4e0d\u52a0EMI \u6ee4\u6ce2\u5668\u65f6\uff0c\u7535\u6e90\u8f93\u51fa\u7aef\u53e3\u6240\u6d4b\u5f97\u7684\u9a9a\u6270\u7535\u5e73\u4e3a\uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u8868 1 \u4e2dA \u7ea7\u7535\u6e90\u7aef\u53e3\u4f20\u5bfc\u9650\u503c\u7684\u8981\u6c42\u4e3a79 dB\uff08μV\uff09\uff0c\u663e\u7136\u5927\u5927\u8d85\u8fc7\u4e86\u9650\u5236\u7684\u8981\u6c42\u3002\u5219\u9700\u8981\u6ee4\u6ce2\u5668\u5728 150KHz \u5904\u7684\u8870\u51cf\u4e3a\uff1a<\/p>\n

\n\t112-79=33 dB\uff0c\u8003\u8651\u5230\u81f3\u5c11\u67096dB \u7684\u88d5\u91cf\uff0cEMI \u6ee4\u6ce2\u5668\u7684\u5728150KHz \u5904\u7684\u8870\u51cf\u5e94\u5927\u4e8e39dB\uff0c\u6211\u4eec\u53d640dB\u3002\u4e8c\u9636\u6ee4\u6ce2\u5668\u7684\u8870\u51cf\u7279\u6027\u662f-40dB\/10 \u500d\u9891\uff0c\u5728\u56fe1 \u4e2d\u6709\u4e24\u4e2a\u4e8c\u9636\u6ee4\u6ce2\u5668\uff0c\u8870\u51cf\u7279\u6027\u662f-80dB\/10 \u500d\u9891\uff0c\u5219\u6ee4\u6ce2\u5668\u7684\u8f6c\u6298\u9891\u7387\u5e94\u5728\uff1a47KHz \u5de6\u53f3\uff0c\u8003\u8651\u5230\u5176\u4ed6\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u6ee4\u6ce2\u5668\u7684\u8f6c\u6298\u9891\u7387\u53d6\u4e3a40KHz\u3002<\/p>\n

\n\t\u5171\u6a21\u7535\u5bb9 C4\u3001C5 \u53d64700P\uff08\u8003\u8651\u5230\u6f0f\u7535\u6d41\u7684\u95ee\u9898\uff0c\u4e0d\u80fd\u53d6\u592a\u5927\uff09\uff0c\u5219\uff1aC=C4+C5=9400P\u3002<\/p>\n

\n\t\u6839\u636e<\/p>\n

\n\t<\/p>\n

\n\t\u8ba1\u7b97\u5f97\uff1aL=1.7mH<\/p>\n

\n\t\u5728\u8bbe\u8ba1EMI \u6ee4\u6ce2\u5668\u7684\u65f6\u5019\uff0c\u4e3a\u4e86\u6709\u6548\u7684\u6291\u5236\u9a9a\u6270\u4fe1\u53f7\u7684\u76ee\u7684\uff0c\u5fc5\u987b\u5bf9\u6ee4\u6ce2\u5668\u4e24\u7aef\u5c06\u8981\u8fde\u63a5\u7684\u6e90\u963b\u6297<\/u>\u8fdb\u884c\u5408\u7406\u7684\u642d\u914d\uff0c\u5f53\u6ee4\u6ce2\u5668\u7684\u8f93\u51fa\u963b\u6297Zo \u548c\u8d1f\u8f7d\u963b\u6297RL \u4e0d\u76f8\u7b49\u65f6\uff0c\u5728\u8fd9\u4e2a\u7aef\u53e3\u4f1a\u4ea7\u751f\uff0c\u53cd\u5c04\u7cfb\u6570ρ\u7531\u4e0b\u5f0f\u6765\u5b9a\u4e49\uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u5f53 Zo \u548cRL \u76f8\u5dee\u8d8a\u5927\uff0c\u7aef\u53e3\u4ea7\u751f\u7684\u53cd\u5c04\u8d8a\u5927\u3002<\/p>\n

\n\tEMI \u6ee4\u6ce2\u5668\u4e2d\u7684\u5171\u6a21\u7535\u611f\u542b\u670920%\u5de6\u53f3\u7684\u5dee\u6a21\u7535\u611f\uff0c\u4e0eX2 \u7535\u5bb9\u6784\u6210\u5dee\u6a21\u6ee4\u6ce2\u5668\uff0c\u5728\u4e0a\u9762\u7684\u539f\u7406\u56fe\u4e2d\uff0cX2 \u7535\u5bb9C1\u3001C2\u3001C3 \u5bf9\u4f20\u5bfc\u9a9a\u6270\u7684\u4f4e\u9891\u7aef\u5f71\u54cd\u6bd4\u8f83\u5927\uff0c\u4e3b\u8981\u539f\u56e0\u662f\u56e0\u4e3a\u5728\u4f4e\u9891\u6bb5\uff0c\u9a9a\u6270\u7684\u65b9\u5f0f\u4e3b\u8981\u4ee5\u5dee\u6a21\u7684\u65b9\u5f0f\u5b58\u5728\uff0c\u589e\u5927C1\u3001C2\u3001C3\uff0c\u53ef\u4ee5\u51cf\u5c0f\u4f4e\u9891\u6bb5\u7684\u9a9a\u6270\u7535\u5e73\uff0c\u4f46\u53d6\u503c\u4e00\u822c\u4e0d\u8d85\u8fc70.47\uff5e2.2μF\uff0c\u5982\u679c\u9002\u5f53\u589e\u5927\u7535\u5bb9\uff0c\u4f4e\u9891\u6bb5\u4ecd\u7136\u8d85\u6807\uff0c\u53ef\u4ee5\u589e\u52a0\u5dee\u6a21\u7535\u611f\u6765\u89e3\u51b3\u3002<\/p>\n

\n\t2.2.2 \u5176\u4ed6\u65b9\u6cd5<\/p>\n

\n\tEMI \u6ee4\u6ce2\u5668\u662f\u91c7\u7528\u5207\u65ad\u4f20\u64ad\u9014\u5f84\u7684\u65b9\u6cd5\u6765\u51cf\u5c0f\u4f20\u5bfc\u53d1\u5c04\u7684\u9a9a\u6270\u7535\u5e73\uff0c\u53e6\u5916\u6211\u4eec\u4e5f\u53ef\u4ee5\u4ece\u53d1\u5c04\u7684\u6e90\u6765\u7740\u624b\uff0c\u51cf\u5c0f\u53d1\u5c04\u6e90\u5411\u5916\u53d1\u5c04\u7684\u7535\u5e73\u3002<\/p>\n

\n\t1\uff1a\u5982\u4e0b\u56fe2 \u6240\u793a\uff1a<\/p>\n

\n\t\"\u5f00\u5173\u7535\u6e90\u4e2d\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u539f\u7406\u89e3\u6790\"<\/p>\n

\n\t\u56fe2 \u4e2d\uff0c\u5728PFC<\/u> \u5347\u538b\u7535\u611f\u4e0a\u589e\u52a0\u4e00\u4e2a\u8f85\u52a9\u7ed5\u7ec4\uff0c\u8be5\u7ed5\u7ec4\u7684\u531d\u6570\u4e0e\u4e3b\u7ed5\u7ec4\u76f8\u540c\uff0c\u65b9\u5411\u4e0e\u4e3b\u7ed5\u7ec4\u76f8\u53cd\uff0cC7 \u662f\u5f00\u5173\u7ba1\u4e0e\u6563\u70ed\u5668\u4e4b\u95f4\u7684\u8026\u5408\u7535\u5bb9\uff0c\u5982\u56fe\u6240\u793a\u589e\u52a0\u4e00\u4e2a\u4e0eC7 \u5bb9\u91cf\u5927\u81f4\u76f8\u540c\u7684\u4e00\u4e2a\u7535\u5bb9\u63a5\u5230\u6563\u70ed\u5668\u4e0e\u8f85\u52a9\u7ed5\u7ec4\u4e4b\u95f4\uff0c\u8fd9\u6837C7\u3001C8 \u8026\u5408\u5230\u6563\u70ed\u5668\u7684\u9a9a\u6270\u4fe1\u53f7\u5e45\u5ea6\u76f8\u540c\uff0c\u65b9\u5411\u76f8\u53cd\uff0c\u4e24\u4e2a\u4fe1\u53f7\u521a\u597d\u53ef\u4ee5\u76f8\u4e92\u62b5\u6d88\uff0c\u5927\u5927\u51cf\u5c0f\u5411\u5916\u53d1\u5c04\u7684\u9a9a\u6270\u7535\u5e73\u3002<\/p>\n

\n\t2\uff1a\u5982\u4e0b\u56fe3 \u6240\u793a\uff1a<\/p>\n

\n\t\"\u5f00\u5173\u7535\u6e90\u4e2d\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u539f\u7406\u89e3\u6790\"<\/p>\n

\n\t\u5728\u56fe3 \u4e2d\uff0c\u589e\u52a0\u4e00\u4e2a\u9ad8\u9891\u7535\u5bb9C8\uff0c\u63a5\u5728\u5f00\u5173\u7ba1\u6563\u70ed\u5668\u4e0e\u8f93\u51fa\u5730\u4e4b\u95f4\uff0c\u8be5\u7535\u5bb9\u4e0e\u6563\u70ed\u5668\u7684\u8fde\u63a5\u5904\u79bb\u5f00\u5173\u7ba1\u8d8a\u8fd1\u8d8a\u597d\uff0c\u8be5\u7535\u5bb9\u9009\u7528\u5b89\u89c4\u7535\u5bb9<\/u>\uff0c\u5bb9\u91cf\u57284700P \u52300.01μf \u4e4b\u95f4\uff0c\u592a\u5927\u4f1a\u4f7f\u7535\u6e90\u7684\u6f0f\u7535\u6d41\u8d85\u6807\uff0c\u7ecf\u8fc7\u7535\u5bb9C7 \u8026\u5408\u5230\u6563\u70ed\u5668\u4e0a\u7684\u9a9a\u6270\u4fe1\u53f7\u7ecf\u8fc7C8 \u8870\u51cf\uff0c\u8870\u51cf\u7684\u7cfb\u6570\u4e3a<\/p>\n

\n\t<\/p>\n

\n\t\u7531\u4e8e C8 \u6bd4C7 \u5927\u8bb8\u591a\uff0c\u4e0a\u5f0f\u53ef\u4ee5\u7b80\u5316\u4e3a\uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u53ef\u89c1\uff0c\u5047\u8bbe C7 \u4e3a30P\uff0cC8 \u4e3a4700P\uff0c\u5219\u5411\u5916\u53d1\u5c04\u7684\u9a9a\u6270\u4fe1\u53f7\u88ab\u8870\u51cf\u4e86157 \u500d\uff0c\u8fd145dB\u3002<\/p>\n

\n\t3 \u5f00\u5173\u7535\u6e90\u7684\u8f90\u5c04\u9a9a\u6270<\/p>\n

\n\t3.1 \u8f90\u5c04\u9a9a\u6270\u7684\u7a7a\u95f4\u4f20\u8f93<\/p>\n

\n\t1. \u8fdc\u573a\u548c\u8fd1\u573a<\/p>\n

\n\t\u7535\u78c1\u80fd\u91cf\u4ee5\u573a\u7684\u5f62\u5f0f\u5411\u56db\u5468\u4f20\u64ad\uff0c\u5c31\u5f62\u6210\u4e86\u8f90\u5c04\u9a9a\u6270\uff0c\u573a\u53ef\u4ee5\u5206\u4e3a\u8fd1\u573a\u3001\u548c\u8fdc\u573a\uff0c\u8fd1\u573a\u53c8\u79f0\u4e3a\u611f\u5e94\u573a\uff0c\u5b83\u7684\u6027\u8d28\u4e0e\u573a\u6e90\u6709\u5bc6\u5207\u7684\u5173\u7cfb\uff0c\u5982\u679c\u573a\u6e90\u662f\u9ad8\u7535\u538b\u5c0f\u7535\u6d41\u7684\u6e90\uff0c\u5219\u8fd1\u573a\u4e3b\u8981\u662f\u7535\u573a\uff0c\u5982\u679c\u573a\u6e90\u662f\u4f4e\u538b\u5927\u7535\u6d41\uff0c\u5219\u573a\u6e90\u4e3b\u8981\u662f\u78c1\u573a\u3002\u65e0\u8bba\u8fd1\u573a\u662f\u78c1\u573a\u6216\u662f\u7535\u573a\uff0c\u5f53\u79bb\u573a\u6e90\u7684\u8ddd\u79bb\u5927\u4e8eλ\/2π\u65f6\uff0c\u5747\u53d8\u6210\u8fdc\u573a\uff0c\u53c8\u79f0\u4e3a\u8f90\u5c04\u573a\u3002<\/p>\n

\n\t\u7531\u4e8e\u5f00\u5173\u7535\u6e90\u5de5\u4f5c\u5728\u9ad8\u7535\u538b\uff0c\u5927\u7535\u6d41\u7684\u72b6\u6001\u4e0b\uff0c\u8fd1\u573a\u5373\u6709\u7535\u573a\uff0c\u53c8\u6709\u78c1\u573a\u3002<\/p>\n

\n\t2. \u9a9a\u6270\u7684\u8f90\u5c04\u65b9\u5f0f<\/p>\n

\n\t\u25cf \u5355\u70b9\u8f90\u5c04\uff0c\u4e3b\u8981\u6a21\u62df\u5404\u76f8\u540c\u6027\u7684\u8f83\u5c0f\u7684\u8f90\u5c04\u6e90\uff0c\u8f90\u5c04\u7684\u5f3a\u5ea6\u53ef\u8868\u793a\u4e3a\uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u5f0f\u4e2d\uff0cP \u8868\u793a\u53d1\u5c04\u7684\u529f\u7387\uff0cr \u8868\u793a\u79bb\u53d1\u5c04\u6e90\u7684\u8ddd\u79bb\u3002\u53ef\u89c1\uff0c\u5355\u70b9\u8f90\u5c04\u5f3a\u5ea6\u4e0e\u8ddd\u79bb\u6210\u53cd\u6bd4\uff0c\u4e0e\u53d1\u5c04\u6e90\u7684\u529f\u7387\u7684\u5e73\u65b9\u6839\u6210\u6b63\u6bd4\u3002<\/p>\n

\n\t\u25cf \u5e73\u884c\u53cc\u7ebf\u73af\u8def\u7684\u8f90\u5c04<\/p>\n

\n\t\u4e3b\u8981\u6a21\u62df\u5dee\u6a21\u7535\u6d41\u56de\u8def\u7684\u8f90\u5c04\u6e90\uff0c\u5176\u8f90\u5c04\u5f3a\u5ea6\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u5f0f\u4e2d A \u4e3a\u5dee\u6a21\u7535\u6d41\u6240\u5305\u56f4\u7684\u9762\u79ef\uff0cI \u662f\u5dee\u6a21\u7535\u6d41\u7684\u5927\u5c0f\uff0cr \u662f\u79bb\u8f90\u5c04\u6e90\u7684\u8ddd\u79bb\uff0cλ\u662f\u6ce2\u957f\u3002\u53ef\u89c1\u5dee\u6a21\u8f90\u5c04\u5f3a\u5ea6\u4e0e\u5dee\u6a21\u7535\u6d41\u7684\u5927\u5c0f\u548c\u5dee\u6a21\u7535\u6d41\u6240\u5305\u56f4\u7684\u9762\u79ef\u6210\u6b63\u6bd4\uff0c\u4e0e\u8ddd\u79bb\u6210\u53cd\u6bd4\uff0c\u4e0e\u9891\u7387\u7684\u5e73\u65b9\u6210\u6b63\u6bd4\u3002<\/p>\n

\n\t\u56e0\u6b64\u5e94\u5728\u9ad8\u9891\u566a\u58f0\u6e90\u5904\u52a0\u9ad8\u9891\u53bb\u8026\u7535\u5bb9\uff0c\u4ee5\u514d\u9ad8\u9891\u566a\u58f0\u6d41\u5165\u7535\u6e90\u56de\u8def\u4e2d\u3002<\/p>\n

\n\t\u25cf \u5355\u5bfc\u7ebf\u7684\u8f90\u5c04<\/p>\n

\n\t\u5355\u5bfc\u7ebf\u7684\u8f90\u5c04\u516c\u5f0f\u53ef\u4ee5\u7528\u6765\u4f30\u7b97\u5171\u6a21\u7535\u6d41\u4ea7\u751f\u7684\u8f90\u5c04\u7684\u5927\u5c0f\uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u5f0f\u4e2d\uff0cI \u662f\u5171\u6a21\u7535\u6d41\u7684\u5927\u5c0f\uff0cr \u662f\u5230\u5171\u6a21\u7535\u6d41\u6e90\u7684\u8ddd\u79bb\uff0c l \u662f\u5bfc\u7ebf\u7684\u957f\u5ea6\uff0cλ\u662f\u6ce2\u957f\u3002<\/p>\n

\n\t3. \u5171\u6a21\u7535\u6d41\u8f90\u5c04<\/p>\n

\n\t\u4e24\u6839\u76f8\u8fd1\u7684\u5bfc\u7ebf\uff0c\u5982\u679c\u6d41\u8fc7\u5dee\u6a21\u7535\u6d41\uff0c\u5219\u5bfc\u7ebf\u4ea7\u751f\u7684\u7535\u78c1\u573a\u7531\u4e8e\u65b9\u5411\u76f8\u53cd\uff0c\u5927\u5c0f\u76f8\u7b49\u800c\u76f8\u4e92\u62b5\u6d88\uff0c\u4f46\u5982\u679c\u6d41\u8fc7\u5171\u6a21\u7535\u6d41\uff0c\u65f6\u4e24\u6839\u5bfc\u7ebf\u4ea7\u751f\u7684\u7535\u78c1\u573a\u76f8\u4e92\u53e0\u52a0\u3002\u56e0\u6b64\u5927\u5c0f\u76f8\u540c\u7684\u5171\u6a21\u7535\u6d41\u6240\u4ea7\u751f\u7684\u7a7a\u95f4\u8f90\u5c04\u8981\u6bd4\u5dee\u6a21\u7535\u6d41\u4ea7\u751f\u7684\u7a7a\u95f4\u8f90\u5c04\u5f3a\u5ea6\u5927\u7684\u591a\uff0c\u6839\u636e\u5b9e\u9a8c\uff0c\u4e24\u8005\u7684\u8f90\u5c04\u5f3a\u5ea6\u76f8\u5dee\u4e0a\u5343\u500d\u3002\u6240\u4ee5\uff0c\u5f00\u5173\u7535\u6e90\u7684\u8f90\u5c04\u4e3b\u8981\u662f\u7531\u5171\u6a21\u7535\u6d41\u5f15\u8d77\u7684\u3002<\/p>\n

\n\t\u25cf \u5171\u6a21\u7535\u6d41\u8f90\u5c04\u7684\u57fa\u672c\u6a21\u5f0f<\/p>\n

\n\t\u5171\u6a21\u8f90\u5c04\u6709\u4e24\u79cd\u9a71\u52a8\u6a21\u5f0f\uff0c\u4e00\u79cd\u662f\u7535\u6d41\u9a71\u52a8\u6a21\u5f0f\uff0c\u4e00\u79cd\u662f\u7535\u538b\u9a71\u52a8\u6a21\u5f0f\uff0c\u5728\u5f00\u5173\u7535\u6e90\u4e2d\uff0c\u8d77\u4e3b\u8981\u4f5c\u7528\u7684\u4e3b\u8981\u662f\u7535\u538b\u9a71\u52a8\u6a21\u5f0f\u3002<\/p>\n

\n\t\u25cf \u4ea7\u751f\u5171\u6a21\u8f90\u5c04\u7684\u6761\u4ef6<\/p>\n

\n\t\u4ea7\u751f\u5171\u6a21\u8f90\u5c04\u7684\u6761\u4ef6\u6709\u4e24\u4e2a\uff0c\u4e00\u662f\u5171\u6a21\u9a71\u52a8\u6e90\uff0c\u4e00\u4e2a\u662f\u5171\u6a21\u5929\u7ebf\u3002<\/p>\n

\n\t\u4efb\u4f55\u4e24\u4e2a\u91d1\u5c5e\u4f53\u4e4b\u95f4\u5b58\u5728\u5c04\u9891<\/u>\u7535\u4f4d\u5dee\uff0c\u5c31\u6784\u6210\u4e00\u526f\u4e0d\u5bf9\u79f0\u632f\u5b50\u5929\u7ebf\uff0c\u4e24\u4e2a\u91d1\u5c5e\u5bfc\u4f53\u5206<\/p>\n

\n\t\u522b\u662f\u5929\u7ebf\u7684\u4e24\u4e2a\u6781\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u5f00\u5173\u7535\u6e90\u6765\u8bf4\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

\n\t\"\u5f00\u5173\u7535\u6e90\u4e2d\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u539f\u7406\u89e3\u6790\"<\/p>\n

\n\t\u56fe4 \u4e2dC7 \u662f\u5f00\u5173\u7ba1\u548c\u6563\u70ed\u5668\u4e4b\u95f4\u7684\u8026\u5408\u7535\u5bb9\uff0c\u6563\u70ed\u5668\u548c\u4e0e\u5f00\u5173\u7ba1D \u6781\u76f8\u8fde\u63a5\u7684\u5370\u5236\u7ebf\u4e3a\u5929\u7ebf\u7684\u4e24\u4e2a\u6781\uff0c\u5728\u5206\u6790\u65f6\u53ef\u4ee5\u7b80\u5316\u4e3a\u4e0b\u56fe5\uff1a<\/p>\n

\n\t\"\u5f00\u5173\u7535\u6e90\u4e2d\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u539f\u7406\u89e3\u6790\"<\/p>\n

\n\t\u56fe\u4e2d\uff0cVs \u4e3a\u9a9a\u6270\u6e90\uff0c\u5bf9\u56fe4 \u6765\u8bf4\uff0c\u5c31\u662f\u5f00\u5173\u7ba1VT2 \u7684D \u6781\uff0cL1\u3001L2 \u76f8\u5f53\u4e8e\u5929\u7ebf\u7684\u4e24\u4e2a\u6781\uff0c\u4e00\u4e2a\u6781\u662f\u4e0e\u5f00\u5173\u7ba1D \u6781\u76f8\u8fde\u7684\u5370\u5236\u7ebf\uff0c\u53e6\u5916\u4e00\u4e2a\u6781\u662f\u6563\u70ed\u5668\u53ca\u4e0e\u4e4b\u76f8\u8fde\u7684\u63a5\u5730\u7ebf\uff0cC\u662f\u5929\u7ebf\u4e24\u6781\u4e4b\u95f4\u7684\u8026\u5408\u7535\u5bb9\uff0c\u5373\u56fe4 \u4e2d\u5f00\u5173\u7ba1\u4e0e\u6563\u70ed\u5668\u4e4b\u95f4\u7684\u8026\u5408\u7535\u5bb9\u3002<\/p>\n

\n\t\u5171\u6a21\u8f90\u5c04\u4e3b\u8981\u6709\u5929\u7ebf\u4e0a\u7684\u5171\u6a21\u7535\u6d41\u7684\u5927\u5c0f\u51b3\u5b9a\uff0c\u56e0\u6b64\uff0c\u5929\u7ebf\u4e24\u6781 L1\u3001L2 \u4e4b\u95f4\u7684\u8026\u5408\u7535\u5bb9\u8d8a\u5927\uff0c\u8f90\u5c04\u529f\u7387\u8d8a\u5927\u3002<\/p>\n

\n\t\u53e6\u5916\uff0c\u5f53\u5929\u7ebf\u7684\u4e24\u4e2a\u6781\u7684\u603b\u957f\u5ea6\u5927\u4e8eλ\/20\u65f6\uff0c\u624d\u80fd\u5411\u5916\u8f90\u5c04\u80fd\u91cf\uff0c\u5e76\u4e14\u5f53\u5929\u7ebf\u7684\u957f\u5ea6\u4e0e\u9a9a\u6270\u6e90\u7684\u6ce2\u957f\u6ee1\u8db3\u4e0b\u5217\u6761\u4ef6\u65f6\uff0c\u8f90\u5c04\u80fd\u91cf\u624d\u6700\u5927\u3002<\/p>\n

\n\t<\/p>\n

\n\t3.2 \u5f00\u5173\u7535\u6e90\u7684\u8f90\u5c04\u6e90<\/p>\n

\n\t\u8981\u89e3\u51b3\u548c\u51cf\u5c0f\u5f00\u5173\u7535\u6e90\u7684\u7535\u78c1\u8f90\u5c04\uff0c\u9996\u5148\u8981\u4e86\u89e3\u5f00\u5173\u7535\u6e90\u7684\u8f90\u5c04\u6e90\u5728\u90a3\u513f\u3002\u5bf9\u4e8e\u4e00\u4e2a\u524d\u7ea7\u5e26\u6709PFC \u529f\u7387\u56e0\u6570\u77eb\u6b63\u7535\u8def\u7684\u5f00\u5173\u7535\u6e90\u6765\u8bf4\uff0c\u8f90\u5c04\u9a9a\u6270\u7684\u6e90\u4e3b\u8981\u5206\u5e03\u4e0b\u9762\u51e0\u4e2a\u5730\u65b9\uff08\u5f00\u5173\u7535\u6e90\u4e2d\u7684\u8f90\u5c04\u6e90\u4f8b\u5982\u9a71\u52a8\u7b49\uff0c\u76f8\u5bf9\u4e8e\u4e0b\u9762\u6240\u5217\u7684\u8981\u5f31\u7684\u591a\uff0c\u6240\u4ee5\u53ef\u4ee5\u4e0d\u4e0e\u8003\u8651\uff09\u3002<\/p>\n

\n\t1. PFC \u5f00\u5173\u7ba1<\/p>\n

\n\t2. PFC \u5347\u538b\u4e8c\u6781\u7ba1<\/p>\n

\n\t3. DC\/DC<\/u> \u5f00\u5173\u7ba1<\/p>\n

\n\t4. DC\/DC \u7684\u6574\u6d41\u7ba1\u3001\u7eed\u6d41\u7ba1<\/p>\n

\n\t5. PFC \u5347\u538b\u7535\u611f<\/p>\n

\n\t6. DC\/DC \u53d8\u538b\u5668<\/u><\/p>\n

\n\t\u25cf PFC \u5f00\u5173\u7ba1\u548cDC\/DC \u5f00\u5173\u7ba1\u7684\u8f90\u5c04\u539f\u7406\u5982\u4e0a\u9762\u6240\u8ff0\uff0c\u5c5e\u4e8e\u7535\u538b\u9a71\u52a8\u6a21\u5f0f\u7684\u9a71\u52a8\u6e90\uff0c\u5347\u538b\u7535\u611f\u548c\u53d8\u538b\u5668\u5c5e\u4e8e\u5dee\u6a21\u9a9a\u6270\u6e90\uff0c\u4e3b\u8981\u539f\u56e0\u662f\u6f0f\u611f\u7684\u5b58\u5728\uff0c\u5bfc\u81f4\u7535\u78c1\u80fd\u91cf\u6cc4\u9732\uff0c\u5411\u5916\u53d1\u5c04\u7535\u78c1\u80fd\u91cf\u3002<\/p>\n

\n\t\u25cf PFC \u5347\u538b\u4e8c\u6781\u7ba1\u548cDC\/DC \u7684\u6574\u6d41\u4e8c\u6781\u7ba1\u5728\u53cd\u5411\u622a\u6b62\u65f6\uff0c\u5b58\u5728\u53cd\u5411\u6062\u590d\u7535\u6d41\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

\n\t\"\u5f00\u5173\u7535\u6e90\u4e2d\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u539f\u7406\u89e3\u6790\"<\/p>\n

\n\t\u56fe\u4e2d\u6240\u793a\u7684\u662f\u5b9e\u9645\u6d4b\u8bd5\u7684PFC \u5347\u538b\u4e8c\u6781\u7ba1\u5173\u65ad\u77ac\u95f4\u7684\u53cd\u5411\u6062\u590d\u7535\u6d41\uff08\u4e0d\u52a0\u5438\u6536\u7684\u60c5\u51b5\u4e0b\uff09\uff0c\u5728\u56fe4 \u4e2d\uff0c\u8be5\u53cd\u5411\u6062\u590d\u7535\u6d41\u4e3b\u8981\u901a\u8fc7C6\u3001VD1\u3001VT2 \u6784\u6210\u56de\u8def\uff0c\u5f62\u6210\u5dee\u6a21\u8f90\u5c04\uff0c\u53e6\u5916\uff0c\u7531\u4e8e\u7531\u4e8e\u5f15\u7ebf\u7535\u611f\u7684\u5b58\u5728\uff0c\u5f88\u5c0f\u4e00\u90e8\u5206\u7684\u7535\u6d41\u4f1a\u901a\u8fc7\u6563\u70ed\u5668\u4e0e\u5f00\u5173\u7ba1VT2 \u4e4b\u95f4\u7684\u8026\u5408\u7535\u5bb9C7 \u5411\u5916\u6d41\uff0c\u5f62\u6210\u5171\u6a21\u8f90\u5c04\u3002<\/p>\n

\n\tDC\/DC \u7684\u6574\u6d41\u4e8c\u6781\u7ba1\u548c\u7eed\u6d41\u7ba1\u7684\u53cd\u5411\u6062\u590d\u7535\u6d41\u4f1a\u5bfc\u81f4\u4e8c\u6781\u7ba1\u7684\u53cd\u5411\u7535\u538b\u51fa\u73b0\u5f88\u9ad8\u7684\u7535\u538b\u5c16\u5cf0\uff0c\u4e0b\u56fe 7 \u662f\u6b63\u6fc0\u7535\u8def\u7684\u8f93\u51fa\u6ee4\u6ce2\u7535\u8def\u3002<\/p>\n

\n\t\"\u5f00\u5173\u7535\u6e90\u4e2d\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u539f\u7406\u89e3\u6790\"<\/p>\n

\n\t\u56fe7 \u4e2d\uff0cTI<\/u> \u662f\u53d8\u538b\u5668\uff0cVD1\u3001VD2 \u5206\u522b\u662f\u6574\u6d41\u7ba1\u548c\u7eed\u6d41\u7ba1\uff0c\u7531\u4e8e\u6574\u6d41\u7ba1\u3001\u7eed\u6d41\u7ba1\u5728\u7531\u5bfc\u901a\u8f6c\u5411\u622a\u6b62\u65f6\u6709\u53cd\u5411\u6062\u590d\u7535\u6d41\uff0c\u8be5\u53cd\u5411\u6062\u590d\u7535\u6d41\u5728VD1\u3001VD2 \u4e24\u7aef\u4ea7\u751f\u6bd4\u8f83\u9ad8\u7684\u7535\u538b\u5cf0\u503c\uff0c\u7531\u4e8e\u5feb\u6062\u590d\u4e8c\u6781\u7ba1\u7684\u53cd\u5411\u6062\u590d\u7535\u6d41\u5728\u51e0\u5341nS\uff0c\u6240\u4ee5\u5cf0\u503c\u7535\u538b\u7684\u9891\u7387\u8f83\u9ad8\uff0c\u5176\u57fa\u6ce2\u9891\u7387\u5728\u51e0\u5341MHz\uff0c\u7531\u4e8e\u9891\u7387\u5f88\u9ad8\uff0c\u8f90\u5c04\u80fd\u529b\u5f88\u5f3a\uff0c\u4e0b\u56fe8 \u662f\u6574\u6d41\u7ba1\u548c\u7eed\u6d41\u7ba1\u7684\u7535\u538b\u6ce2\u5f62\u3002<\/p>\n

\n\t\"\u5f00\u5173\u7535\u6e90\u4e2d\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u539f\u7406\u89e3\u6790\"<\/p>\n

\n\t\u5728\u4e0a\u56fe7 \u4e2d\uff0c\u6574\u6d41\u7ba1\u3001\u7eed\u6d41\u7ba1\u56fa\u5b9a\u5728\u6563\u70ed\u5668\u4e0a\uff0c\u6563\u70ed\u5668\u63a5\u5927\u5730\uff0c\u7531\u4e8e\u4e8c\u6781\u7ba1\u7684\u9634\u6781\u4e0e\u7ba1\u58f3\u7684\u6563\u70ed\u677f\u76f4\u63a5\u76f8\u8fde\uff0c\u7ba1\u58f3\u7684\u6563\u70ed\u677f\u4e0e\u6563\u70ed\u5668\u4e4b\u95f4\u5c31\u5f62\u6210\u4e86\u8026\u5408\u7535\u5bb9\uff0c\u6574\u6d41\u7ba1\u3001\u7eed\u6d41\u7ba1\u5728\u622a\u6b62\u65f6\u4ea7\u751f\u7684\u9ad8\u538b\u5c16\u5cf0\u5c31\u901a\u8fc7\u8026\u5408\u7535\u5bb9\u6d41\u52a8\uff0c\u4ea7\u751f\u5171\u6a21\u8f90\u5c04\uff0c\u8f93\u51fa\u7ebf\u548c\u5730\u5206\u522b\u662f\u5929\u7ebf\u7684\u4e24\u4e2a\u6781\u3002<\/p>\n

\n\t\u25cf\u5f00\u5173\u7535\u6e90\u5176\u4ed6\u7684\u8f90\u5c04\u6e90\u5982\u5370\u5236\u7ebf\u4e0e\u673a\u58f3\u4e4b\u95f4\u5206\u5e03\u7535\u5bb9\u5f15\u8d77\u7684\u5171\u6a21\u8f90\u5c04\u3001\u5185\u90e8\u7535\u8def\u5de5\u4f5c\u65f6\u4ea7\u751f\u7684\u5dee\u6a21\u8f90\u5c04\u7b49\uff0c\u4e0e\u524d\u9762\u7684\u51e0\u4e2a\u8f90\u5c04\u6e90\u76f8\u6bd4\u8981\u5c0f\u5f97\u591a\u3002<\/p>\n

\n\t3.3 \u8f90\u5c04\u9a9a\u6270\u7684\u89e3\u51b3\u63aa\u65bd<\/p>\n

\n\t\u4e0a\u9762\u5206\u6790\u4e86\u8f90\u5c04\u9a9a\u6270\u4ea7\u751f\u7684\u539f\u56e0\u548c\u5f00\u5173\u7535\u6e90\u7684\u8f90\u5c04\u6e90\uff0c\u518d\u89e3\u51b3\u5f00\u5173\u7535\u6e90\u7684\u8f90\u5c04\u95ee\u9898\u5c31\u6bd4\u8f83\u5bb9\u6613\u4e86\u3002<\/p>\n

\n\t3.3.1 \u5f00\u5173\u7ba1\u53d1\u5c04\u6e90\u5f15\u8d77\u7684\u8f90\u5c04\u53d1\u5c04<\/p>\n

\n\t\u4e0a\u9762\u6240\u4ecb\u7ecd\u7684\u8f93\u5165\u7aef\u53e3\u7684\u4f20\u5bfc\u9a9a\u6270\uff0c\u662f\u901a\u8fc7\u8f93\u5165\u7ebf\u5411\u5916\u53d1\u5c04\u7684\uff0c\u540c\u65f6\uff0c\u8f93\u5165\u7ebf\u53c8\u662f\u4e00\u4e2a\u5929\u7ebf\uff0c\u5171\u6a21\u7535\u6d41\u5728\u6d41\u8fc7\u8f93\u5165\u7ebf\u7684\u65f6\u5019\uff0c\u5c31\u4f1a\u5411\u7a7a\u95f4\u53d1\u5c04\u7535\u78c1\u80fd\u91cf\uff0c\u4ea7\u751f\u8f90\u5c04\u9a9a\u6270\uff0c\u56e0\u6b64\u5bf9\u4e8e\u4e0a\u9762\u89e3\u51b3\u4f20\u5bfc\u53d1\u5c04\u7684\u63aa\u65bd\uff0c\u5728\u51cf\u5c0f\u4e86\u4f20\u5bfc\u53d1\u5c04\u7684\u540c\u65f6\uff0c\u4e5f\u5927\u5927\u51cf\u5c0f\u4e86\u8f93\u5165\u7aef\u53e3\u7684\u8f90\u5c04\u53d1\u5c04\u3002<\/p>\n

\n\t\u5bf9\u4e8e\u8f90\u5c04\u6e90 DC\/DC \u5f00\u5173\u7ba1\uff0c\u4e5f\u53ef\u4ee5\u91c7\u53d6\u4e0ePFC \u5f00\u5173\u7ba1\u7684\u76f8\u540c\u7684\u63aa\u65bd\uff0c\u6765\u51cf\u5c0f\u9a71\u52a8\u6e90\u7684\u7535\u538b\u5e45\u5ea6\uff0c\u8f83\u5c0f\u8f90\u5c04\u53d1\u5c04\u7684\u5f3a\u5ea6\u3002<\/p>\n

\n\t\u4e0b\u9762\u56fe 9 \u662f\u91c7\u53d6\u5728PFC \u5f00\u5173\u7ba1\u6563\u70ed\u5668\u5bf9PFC \u8f93\u51fa\u5730\u52a0\u7535\u5bb9\u4e0e\u4e0d\u52a0\u7535\u5bb9\u8f90\u5c04\u5f3a\u5ea6\u7684\u5bf9\u6bd4\u3002<\/p>\n

\n\t\"\u5f00\u5173\u7535\u6e90\u4e2d\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u539f\u7406\u89e3\u6790\"<\/p>\n

\n\t\u56fe\u4e2d\uff0c\u524d\u9762\u662f\u52a0\u7535\u5bb9\u7684\uff0c\u540e\u9762\u662f\u4e0d\u52a0\u7535\u5bb9\u7684\uff0c\u4ece\u4e24\u4e2a\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u572850MHZ \u9644\u8fd1\uff0c\u8f90\u5c04\u9a9a\u6270\u7535\u5e73\u5728\u52a0\u4e86\u7535\u5bb9\u4ee5\u540e\u964d\u4f4e\u4e86\u5c3d10DB\uff0c\u5728120MHZ \u5230220MHZ \u7684\u9891\u7387\u8303\u56f4\u5185\u4e5f\u964d\u4f4e\u4e8610DB \u5de6\u53f3\u3002<\/p>\n

\n\t3.3.2 DC\/DC \u6574\u6d41\u7ba1\u3001\u7eed\u6d41\u7ba1\u53d1\u5c04\u6e90<\/p>\n

\n\t\u5bf9\u4e8e DC\/DC \u6574\u6d41\u7ba1\u3001\u7eed\u6d41\u7ba1\u53d1\u5c04\u6e90\uff0c\u9664\u4e86\u589e\u52a0\u5438\u6536\uff0c\u51cf\u5c0f\u4e8c\u6781\u7ba1\u4e24\u7aef\u7684\u5cf0\u503c\u7535\u538b\u3001\u5728\u4e8c\u6781\u7ba1\u7684\u7ba1\u811a\u4e0a\u5957\u9971\u548c\u78c1\u73af\u4ee5\u51cf\u5c0f\u53cd\u5411\u6062\u590d\u7535\u6d41\u5916\uff0c\u8fd8\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\u3002<\/p>\n

\n\t1. \u5728\u6574\u6d41\u7ba1\u3001\u7eed\u6d41\u7ba1\u4e0e\u6563\u70ed\u5668\u7684\u63a5\u89e6\u70b9<\/u>\u9644\u8fd1\u5bf9\u8f93\u51fa\u5730\u63a5\u7535\u5bb9\uff0c\u5982\u4e0b\u56fe 10 \u6240\u793a\uff1a<\/p>\n

\n\t\"\u5f00\u5173\u7535\u6e90\u4e2d\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u539f\u7406\u89e3\u6790\"<\/p>\n

\n\t\u56fe\u4e2dC2 \u662f\u4e8c\u6781\u7ba1VD1 \u548cVD2 \u4e0e\u6563\u70ed\u5668\u4e4b\u95f4\u7684\u8026\u5408\u7535\u5bb9\uff0c\u5bb9\u91cf\u4e00\u822c\u5728\u51e0\u5341PF\uff0cC3 \u662f\u589e\u52a0\u7684\u7535\u5bb9\uff0cC3 \u8981\u8fdc\u5927\u4e8eC2\uff0cDC\/DC \u6574\u6d41\u7ba1\u3001\u7eed\u6d41\u7ba1\u4e0a\u7684\u7535\u538b\u5cf0\u503c\u7ecf\u8fc7C2 \u4e0eC3 \u7684\u5206\u538b\uff0c\u5e45\u5ea6\u5927\u5927\u964d\u4f4e\uff0c\u5c31\u53ef\u4ee5\u5927\u5927\u51cf\u5c0f\u5411\u5916\u7684\u8f90\u5c04\u3002<\/p>\n

\n\t2. \u91c7\u7528\u5982\u4e0b\u56fe 11 \u6240\u793a\u7684\u7535\u8def\u5f62\u5f0f\u3002<\/p>\n

\n\t\"\u5f00\u5173\u7535\u6e90\u4e2d\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u539f\u7406\u89e3\u6790\"<\/p>\n

\n\t\u5728\u4e0a\u56fe\u7684\u7535\u8def\u5f62\u5f0f\u4e2d\uff0c\u5c06\u8f93\u51fa\u6ee4\u6ce2\u7535\u611f\u653e\u5728\u8f93\u51fa\u7684\u8d1f\u7aef\uff0cVD1\u3001VD2 \u7684\u8f93\u51fa\u76f4\u63a5\u63a5\u5728\u8f93\u51fa\u6ee4\u6ce2\u7535\u5bb9\u7684\u6b63\u7aef\uff0c\u8fd9\u6837\uff0c\u6574\u6d41\u7ba1\u3001\u7eed\u6d41\u7ba1\u7684\u9634\u6781\u63a5\u56fa\u5b9a\u7535\u5e73\uff0c\u901a\u8fc7\u9634\u6781\u8fde\u63a5\u7684\u6563\u70ed\u9762\u4e0e\u6563\u70ed\u5668\u4e4b\u95f4\u7684\u8026\u5408\u7535\u5bb9\u5411\u5916\u6d41\u52a8\u7684\u5171\u6a21\u7535\u6d41\u5c31\u4f1a\u5927\u5927\u51cf\u5c0f\uff0c\u4ece\u800c\u5927\u5927\u51cf\u5c0f\u8f93\u51fa\u7aef\u53e3\u7684\u8f90\u5c04\u7535\u5e73\u3002<\/p>\n

\n\t3.3.3 \u673a\u7bb1\u5c4f\u853d<\/p>\n

\n\t\u5f00\u5173\u7535\u6e90\u7684\u8f90\u5c04\u9664\u4e86\u4e0a\u8ff0\u7684\u8f90\u5c04\u6e90\u4e3b\u8981\u901a\u8fc7\u8f93\u5165\u8f93\u51fa\u7aef\u53e3\u5411\u5916\u8f90\u5c04\u4ee5\u5916\uff0c\u7535\u6e90\u7684\u63a7\u5236\u7535\u8def\u3001\u9a71\u52a8\u3001\u8f85\u52a9\u7535\u6e90\u3001\u53d8\u538b\u5668\u3001\u7535\u611f\u7b49\u76f4\u63a5\u5411\u7a7a\u95f4\u8f90\u5c04\u7535\u78c1\u80fd\u91cf\uff0c\u56e0\u6b64\u9700\u8981\u91c7\u7528\u673a\u7bb1\u8fdb\u884c\u5c4f\u853d\uff0c\u673a\u7bb1\u5c4f\u853d\u8981\u8003\u8651\u673a\u7bb1\u7684\u6750\u6599\u3001\u539a\u5ea6\u548c\u5b54\u7f1d\u5bf9\u5c4f\u853d\u6548\u80fd\u7684\u5f71\u54cd\u3002<\/p>\n

\n\t1.\u5438\u6536\u635f\u8017<\/p>\n

\n\t\u5f53\u7535\u78c1\u6ce2\u8fdb\u5165\u91d1\u5c5e\u5c4f\u853d\u4f53\u540e\u4f1a\u4ea7\u751f\u611f\u5e94\u7535\u6d41\uff0c\u53d8\u4e3a\u70ed\u80fd\u800c\u6d88\u8017\u6389\uff0c\u6240\u4ee5\u7535\u78c1\u6ce2\u8fdb\u5165\u91d1\u5c5e\u5bfc\u4f53\u4e2d\u4ee5\u6307\u6570\u7684\u65b9\u5f0f\u5f88\u5feb\u8870\u51cf\uff0c\u4f20\u8f93\u8ddd\u79bb\u5f88\u77ed\u3002<\/p>\n

\n\t\u6211\u4eec\u5c06\u7535\u78c1\u6ce2\u8870\u51cf\u5230\u539f\u6765 1\/e\uff0c\u53730.37 \u500d\u65f6\u7684\u8ddd\u79bb\u79f0\u4e3a\u96c6\u80a4\u6df1\u5ea6δ<\/p>\n

\n\t\u96c6\u80a4\u6df1\u5ea6δ\u4e0e\u6750\u6599\u7684\u6027\u80fd\u548c\u9891\u7387\u6709\u5173\uff0c\u53ef\u7528\u4e0b\u9762\u7684\u516c\u5f0f\u8868\u793a\uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u516c\u5f0f\u4e2d\uff0cμ\u662f\u6750\u6599\u7684\u78c1\u5bfc\u7387\uff0cσ\u662f\u6750\u6599\u7684\u7535\u5bfc\u7387\u3002<\/p>\n

\n\t2. \u53cd\u5c04\u635f\u8017<\/p>\n

\n\t\u5f53\u7535\u78c1\u6ce2\u5230\u8fbe\u4e24\u79cd\u4ecb\u8d28\u8868\u9762\u65f6\uff0c\u56e0\u963b\u6297\u4e0d\u5339\u914d\u800c\u53d1\u751f\u53cd\u5c04\uff0c\u6240\u5f15\u8d77\u7684\u7535\u78c1\u6ce2\u80fd\u91cf\u635f\u8017\u79f0\u4e3a\u53cd\u5c04\u635f\u8017\u3002<\/p>\n

\n\t\u8f90\u5c04\u9a9a\u6270\u6240\u6d4b\u8bd5\u7684\u9891\u7387\u8303\u56f4\u662f 30MHz\uff5e1000MHz\u3002\u5982\u679c\u5355\u7eaf\u7684\u53ea\u8003\u865130MHz \u4ee5\u4e0a\u7684\u7535\u78c1\u5c4f\u853d\uff0c\u8584\u8584\u4e00\u5c42\u7684\u5bfc\u4f53\u5c31\u53ef\u4ee5\u8fbe\u5230\u5f88\u9ad8\u7684\u5c4f\u853d\u6548\u80fd\uff0c\u4f46\u5bf9\u4e8e\u9891\u7387\u6bd4\u8f83\u4f4e\u7684\u7535\u573a\u6216\u78c1\u573a\uff0c\u5c31\u8981\u8003\u8651\u5c4f\u853d\u6240\u4f7f\u7528\u7684\u6750\u6599\u548c\u539a\u5ea6\u4e86\u3002<\/p>\n

\n\t3. \u5b54\u7f1d\u5bf9\u5c4f\u853d\u7684\u5f71\u54cd<\/p>\n

\n\t\u5728\u5b9e\u9645\u7684\u5e94\u7528\u5f53\u4e2d\uff0c\u673a\u7bb1\u4e0a\u603b\u662f\u5b58\u5728\u6709\u63a5\u7ebf\u5b54\u3001\u901a\u98ce\u5b54\u4ee5\u53ca\u673a\u7bb1\u5404\u9762\u4e4b\u95f4\u7684\u8fde\u63a5\u7f1d\u9699\uff0c\u5982\u679c\u673a\u7bb1\u7684\u5b54\u7f1d\u5c3a\u5bf8\u4e0d\u5408\u7406\uff0c\u5c06\u4f7f\u5c4f\u853d\u6548\u80fd\u5927\u5927\u964d\u4f4e\uff0c\u4e00\u822c\u6765\u8bf4\uff0c\u5b54\u7f1d\u7684\u5c3a\u5bf8\u5e94\u5c0f\u4e8e\u5341\u5206\u4e4b\u4e00\u5230\u767e\u5206\u4e4b\u4e00\u7684\u6ce2\u957f\uff0c\u624d\u80fd\u8fbe\u5230\u76f8\u5e94\u7684\u5c4f\u853d\u6548\u679c\u3002\u5982\u679c\u4e0a\u9650\u9891\u7387\u63091000MHz \u6765\u8003\u8651\uff0c\u5b54\u7f1d\u7684\u5c3a\u5bf8\u5e94\u5c0f\u4e8e\uff1a3\uff5e0.3cm\u3002\u7531\u4e8e\u5f00\u5173\u7535\u6e90\u7684\u7535\u78c1\u8f90\u5c04\u9891\u7387\u8303\u56f4\u4e00\u822c\u572830MHz \u5230500MHz \u4e4b\u95f4\uff0c\u5c4f\u853d\u7684\u4e0a\u9650\u9891\u7387\u53ef\u4ee5\u6309500MHz \u6765\u8003\u8651\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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