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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):
9 b7 s0 M5 w4 `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
9 A; v7 M' W# s" J9 {3 o4 x- c( KIEC 61180-1.
3 C- t/ D$ x! A+ | `3 |) g7 {4 t2 }16.3:Immediately after the test of 16.2, the insulation is subjected to a voltage of
! o% ]8 q' _8 X! V; } u3 y% Isubstantially sinusoidal waveform having a frequency of 50 Hz or 60 Hz for 1 min. The values8 w5 S" P, P* f9 I. R9 ^
of the test voltage for different types of insulation are given in table 7.( x6 W1 D* X8 W4 _' O
. I6 r! f* C% ]. [9 r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)。
3 W7 H/ `4 j1 w) g5 B% x
k& S3 N- N0 P9 v3 B以上仅为个人看法,如有不正之处请各位大侠指正。 |
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