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引用第23楼iec60950-1于2008-10-08 14:42发表的 :- g! b7 v8 [! q' G% s( D
从标准意义上来说,放保险丝前面和后面都是允许的,前提是VDR满足标准的相关要求!VDR通过认证,是不需要承受基本绝缘的抗电强度测试,测试时需要断开此元件。 IEC60065"Resistors, capacitors and RC-units complying with 14.1, 14.2.1 and 14.2.2 respectively,0 J# o( D; x) B& h u2 @# f
connected in parallel with the insulations to be tested, are disconnected. Inductors and
2 u' w/ a) j. e1 j$ m' H6 owindings which otherwise would prevent the test from being made, are also disconnected.
" n# y) p1 t, H6 F! ~$ N O C$ FTable 5 – Test voltages for dielectric strength test and values for insulation resistance".可没说要断开压敏电阻来测抗电强。
( T$ _, K L2 R$ n% |8 b所以即便是按标准来说,在FUSE前也是不行的。 |
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