|
|
引用第23楼iec60950-1于2008-10-08 14:42发表的 :
2 o" f# Q' {/ P8 X0 T5 _; l( 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,
' o% i8 b: D% W8 r1 I Iconnected in parallel with the insulations to be tested, are disconnected. Inductors and
, I2 J& P8 m( owindings which otherwise would prevent the test from being made, are also disconnected.- l9 r/ J& o* I3 K3 h8 X1 L6 ?. S% ^: P
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 o7 A0 n5 c' @( h# q
所以即便是按标准来说,在FUSE前也是不行的。 |
|