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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):' T3 ?" h7 g$ L; h% n, j5 C! T+ F
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
; H, i4 W1 ^) K3 E' x3 c; p- EIEC 61180-1.
( I& F! j5 g1 ]- o/ \" T4 Y$ e. w16.3:Immediately after the test of 16.2, the insulation is subjected to a voltage of
' y! b' h7 }+ P" W6 {* g9 Hsubstantially sinusoidal waveform having a frequency of 50 Hz or 60 Hz for 1 min. The values
9 n9 u) t4 }0 i, u. N$ u9 _of the test voltage for different types of insulation are given in table 7.( E# c0 h3 {. `( n6 p
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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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* p9 T; Y3 g- i/ _# f6 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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