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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):6 g" a6 i _5 E
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
. M+ @# D7 c1 U& Y4 cIEC 61180-1.
3 b! G- s# \6 Z. h) c8 l16.3:Immediately after the test of 16.2, the insulation is subjected to a voltage of% \! v0 q: g) p' G+ v* e
substantially sinusoidal waveform having a frequency of 50 Hz or 60 Hz for 1 min. The values
/ x) o) T. R8 u. A: y/ y) e9 |6 {9 J4 Xof the test voltage for different types of insulation are given in table 7.0 v( K7 @- b: K
' j0 x% U: x+ y- Z
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)。( u. S2 |9 K0 v0 H7 g0 v
* [4 Z/ P5 b) P2 q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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