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引用第23楼iec60950-1于2008-10-08 14:42发表的 :
+ _0 S2 T7 ], ]1 J1 @3 \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,
7 Y9 e! J9 F: k8 ?connected in parallel with the insulations to be tested, are disconnected. Inductors and( F$ [" l9 a. n7 K& e+ I0 q, B; m N
windings which otherwise would prevent the test from being made, are also disconnected.
* r% p: U. ]% A* r( H$ Y- _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。
+ ~& L: {" ]3 C) S( N2 v+ V6 Y所以即便是按标准来说,在FUSE前也是不行的。 |
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