|
|
引用第23楼iec60950-1于2008-10-08 14:42发表的 :
9 [5 W% [3 Q: I* m# M3 `* L. s! 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,5 C9 U/ e3 R9 |4 z3 i: S
connected in parallel with the insulations to be tested, are disconnected. Inductors and0 Q- k& W" i0 o2 e$ `; e2 ]% w
windings which otherwise would prevent the test from being made, are also disconnected.
! t2 q/ h1 L+ l- }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。4 F4 ^3 V, {& p7 D8 Z' j2 ]* T' q
所以即便是按标准来说,在FUSE前也是不行的。 |
|