{"id":6361,"date":"2019-08-07T00:00:23","date_gmt":"2019-08-06T15:00:23","guid":{"rendered":"https:\/\/micro.wfjydl.com\/techweb\/?p=6361"},"modified":"2022-04-11T11:47:07","modified_gmt":"2022-04-11T03:47:07","slug":"%e4%b8%bb%e8%a6%81%e9%83%a8%e4%bb%b6%e9%80%89%e5%9e%8b%ef%bc%9aemi%e5%8f%8a%e8%be%93%e5%87%ba%e5%99%aa%e5%a3%b0%e5%af%b9%e7%ad%96%e9%83%a8%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/acdc\/acdc_pwm\/acdc_pwm05\/8023","title":{"rendered":"\u4e3b\u8981\u90e8\u4ef6\u9009\u578b\uff1aEMI\u53ca\u8f93\u51fa\u566a\u58f0\u5bf9\u7b56\u90e8\u4ef6"},"content":{"rendered":"

\u672c\u6587\u5c06\u4ecb\u7ecdEMI\u5bf9\u7b56\u548c\u8f93\u51fa\u566a\u58f0\u5bf9\u7b56\u7528\u7684\u90e8\u4ef6\u9009\u578b\u3002\u8fd9\u5c06\u662f\u793a\u4f8b\u7535\u8def\u90e8\u4ef6\u9009\u578b\u7684\u6700\u540e\u4e00\u7bc7\u3002<\/p>\n

EMI\u5bf9\u7b56<\/strong><\/p>\n

EMC\u5bf9\u7b56\u5728\u8bbe\u5907\u8bbe\u8ba1\u4e2d\u662f\u975e\u5e38\u91cd\u8981\u7684\u9879\u76ee\u3002\u5f00\u5173\u7535\u6e90\u56e0\u5176\u201c\u5f00\u5173\u201d\u7684\u7279\u6027\u800c\u4ea7\u751fEMI\u3002\u9488\u5bf9EMI\u6709\u4ee5\u4e0b3\u79cd\u5bf9\u7b56\uff1a<\/p>\n

1\uff09\u5728\u8f93\u5165\u90e8\u589e\u52a0\u6ee4\u6ce2\u5668
\n\u53ef\u589e\u52a0\u7535\u6e90\u7528\u5171\u6a21\u6ee4\u6ce2\u5668\u3001LC\u6ee4\u6ce2\u5668\u7b49\u3002<\/p>\n

\n
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2\uff09\u5728\u4e00\u6b21\u4fa7\u548c\u4e8c\u6b21\u4fa7\u4e4b\u95f4\u589e\u52a0\u7535\u5bb9\u5668
\n\t\t\u53ef\u589e\u52a0\u79f0\u4e3a\u201cY\u7535\u5bb9\uff08Y Capacitor\uff09\u201d\u7684\u7535\u5bb9\u5668\u3002\u4e00\u6b21\u4fa7GND\u548c\u4e8c\u6b21\u4fa7GND\u4e4b\u95f4\u63d2\u5165CY1\uff082200pF\uff09\u3002\u53e6\u5916\uff0c\u5728\u4e00\u6b21\u4fa7HV+\u548c\u4e8c\u6b21\u4fa7GND\u4e4b\u95f4\u4e5f\u63d2\u5165CY2\u548cCY3\uff08\u54042200pF\uff09\u3002\u5728\u8fd9\u4e9b\u7528\u9014\u4e2d\u53ef\u80fd\u9700\u8981\u627f\u53d7\u9ad8\u7535\u538b\u7b49\u8f83\u5927\u5e94\u529b\uff0c\u56e0\u6b64\u8bf7\u4f7f\u7528\u5df2\u83b7\u5f97\u6240\u6709\u76f8\u5173\u6807\u51c6\u8ba4\u8bc1\u7684\u7535\u5bb9\u5668\u3002\u5728\u8fd9\u91cc\u4f7f\u7528EA\u578b\uff08X1,Y1\uff09\u30011kV\u7684\u4ea7\u54c1\u3002<\/p>\n<\/p><\/div>\n

\n

\"EMI\u5bf9\u7b56\u793a\u4f8b\u56fe1\"<\/p>\n<\/p><\/div>\n<\/div>\n

\n
\n

3\uff09\u7ed9\u4e8c\u6b21\u4fa7\u6574\u6d41\u4e8c\u6781\u7ba1\u589e\u52a0RC\u7f13\u51b2\u7535\u8def
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\u6bcf\u79cd\u65b9\u6cd5\u90fd\u9700\u8981\u786e\u8ba4\u566a\u58f0\u7684\u5f71\u54cd\u548c\u5bf9\u7b56\u6548\u679c\u5e76\u8c03\u6574\u90e8\u4ef6\u5e38\u6570\u3002<\/p>\n<\/p><\/div>\n

\n

\"EMI\u5bf9\u7b56\u793a\u4f8b\u56fe2\"<\/p>\n<\/p><\/div>\n<\/div>\n

\u8f93\u51fa\u566a\u58f0\u5bf9\u7b56<\/strong><\/p>\n

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