|
在IEC标准中应该是先打泄露再打耐压,标准中有明确要求(IEC60335-1):. H: N# t* @" v1 ^$ R3 w* }
13.3:(承接13.2)The appliance is disconnected from the supply and the insulation is immediately subjected to a voltage having a frequency of 50 Hz or 60 Hz for 1 min, in accordance with
0 M% q# g& I, }6 _IEC 61180-1.) g( l# V' ?. k1 N) i, r
16.3:Immediately after the test of 16.2, the insulation is subjected to a voltage of9 E# M0 T6 a$ }
substantially sinusoidal waveform having a frequency of 50 Hz or 60 Hz for 1 min. The values2 T$ g- l' H" ?1 u
of the test voltage for different types of insulation are given in table 7./ ]) U! |5 f5 h2 z) _
( T c/ k: i+ J0 X7 C
美规中好像没有要求耐压与泄露的顺序,不过一般的做法都是先打泄露,让器具工作到热稳定状态再打耐压(考虑到产品在高温下的耐高压能力比冷态下弱)。
7 h- d- s+ ~# n& p7 E c
6 P" Q S; c5 X/ F以上仅为个人看法,如有不正之处请各位大侠指正。 |
|