|
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, ]# \6 J. y13.3:(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
! y- J7 S% X5 I- v- }5 PIEC 61180-1.
. v2 u% u* v3 J& R/ i& ^16.3:Immediately after the test of 16.2, the insulation is subjected to a voltage of! k8 v9 |8 K6 ~0 x
substantially sinusoidal waveform having a frequency of 50 Hz or 60 Hz for 1 min. The values
/ L& b+ K$ D* F9 M5 mof the test voltage for different types of insulation are given in table 7.3 _! }& U2 D2 M
5 R; P0 n9 _4 [5 k0 I+ L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)。
6 u0 L5 G/ a( r) l- ^; L% Y4 o }" u: H" [2 m
以上仅为个人看法,如有不正之处请各位大侠指正。 |
|