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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): Y W: A% P1 x; k/ V5 ]% S8 m
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
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16.3:Immediately after the test of 16.2, the insulation is subjected to a voltage of, y* F" [8 i6 j4 H% }8 F1 {3 q' k; a
substantially sinusoidal waveform having a frequency of 50 Hz or 60 Hz for 1 min. The values/ d$ K2 W. R2 _' N9 y* c& Z' ?* ]- Y
of the test voltage for different types of insulation are given in table 7.
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: `6 [1 l/ l/ N, |1 n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)。- a) f- |) L! n& p4 m
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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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