|
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):1 S' N8 S4 w3 \6 T) v
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
) l# v) R$ `# D- i3 uIEC 61180-1.0 g6 k* Y) w. F8 ?5 z
16.3:Immediately after the test of 16.2, the insulation is subjected to a voltage of& @0 J" k5 t/ k: \" S
substantially sinusoidal waveform having a frequency of 50 Hz or 60 Hz for 1 min. The values
% W! l ~- \' P8 a! aof the test voltage for different types of insulation are given in table 7.
9 u' x% P. `& @9 b6 `& Z- ]
# J) H+ {( D5 w2 }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)。
" I* N% B9 I( n# ?0 @. D
' g4 `6 s7 M3 O5 H以上仅为个人看法,如有不正之处请各位大侠指正。 |
|