|
|
引用第23楼iec60950-1于2008-10-08 14:42发表的 :
. ~6 W- v' V' q9 M" w; d7 Y- ?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,
' O- h8 }; A4 c, D7 S- b" T" _connected in parallel with the insulations to be tested, are disconnected. Inductors and
8 _$ h6 }8 @5 S( B6 `4 Y: [windings which otherwise would prevent the test from being made, are also disconnected.
; g g1 n. _: M: U2 y6 R2 f7 ATable 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。3 d* ?6 d7 U. d5 s$ w! Z
所以即便是按标准来说,在FUSE前也是不行的。 |
|