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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):
& x+ D9 @ x& e. T13.3:(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 with7 Q- x/ J: P% P
IEC 61180-1.: S/ V( S4 \" x' z3 L5 V+ k
16.3:Immediately after the test of 16.2, the insulation is subjected to a voltage of+ {' x" ?# Q- B5 Y, v: F4 K7 X
substantially sinusoidal waveform having a frequency of 50 Hz or 60 Hz for 1 min. The values
% K6 _' O, Z+ O8 W$ a6 T. Eof the test voltage for different types of insulation are given in table 7.
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! M2 n) `1 M* 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)。
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0 V! Q6 B5 }0 Z/ h5 n- O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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