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引用第23楼iec60950-1于2008-10-08 14:42发表的 :
) U) T( \ h. X9 l, ?: _) r8 O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,
1 Z4 g/ U& Y) V0 |4 |+ H6 Z$ oconnected in parallel with the insulations to be tested, are disconnected. Inductors and
) C5 ?: u& D n) `windings which otherwise would prevent the test from being made, are also disconnected.& B! H/ V" l1 ]% a" \
Table 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。
5 d. t& \0 C2 R' Q7 g所以即便是按标准来说,在FUSE前也是不行的。 |
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