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查IEC60335-1 2010附录$ q+ Q( `8 q5 ^/ ^* n3 V4 {8 \
“A.2 Electric strength test
1 s# {: S' r C8 K9 wThe insulation of the appliance is subjected to a voltage of substantially sinusoidal waveform ; T) V1 Q4 u8 I; b" z
having a frequency of approximately 50 Hz or 60 Hz for 1 s. The value of the test voltage and
: S, G1 i- v; G( Pthe points of application are shown in Table A.1.”
g! ? I' W) Z# m: t/ N- u9 X1 R \! B; l& G
“Table A.1.””
L1 {1 y# a3 m+ ]9 y f% S>150V时- i# G- B- _( G* R
基本绝缘 1000V
6 C; n5 M2 }, U2 w: j, f双重，加强绝缘2500V# K7 P$ C. ?, o3 z# x4 q, ?
4 L- H2 ^; r7 I- h: v+ ~
对于设定电流没直接明确说法。1 p: C9 y/ w6 m7 e5 Z3 m# v
只写着，
1 g0 T4 o7 C/ h4 A! I$ |“No breakdown shall occur. Breakdown is assumed to occur when the current in the test circuit
8 M' l1 X/ V q. i* iexceeds 5 mA. However, this limit may be increased up to 30 mA for appliances with a high ' u: Q* L, |% W' ]
leakage current. ”6 h3 S' W, X4 [" r# t
2 ] r! E9 K! C' [
再查UL1026 2007的31章, a+ j! x3 Y% v9 E% S+ Q
33 leakage current tests T W \/ V2 w1 Q1 B
! n: W/ u& P( z8 vThe leakage current of a cord-connected appliance rated for a nominal 120-V or 240-V supply when
0 S! a: Y( R. {tested in accordance with 33.3 ± 33.8 shall not be more than:! e- M3 N @2 n8 C5 ?2 B+ S
. L) Q+ _9 p7 ~. j+ K: f4 R4 i
b) 0.5 mA for a grounded (3-wire) appliance that is easily carried or conveyed by hand) j0 q4 w0 ^, Z7 m a) g
# ?6 z1 z2 n9 r8 [% q4 x
那么具体IEC该怎样取值？？？？？ |
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发表于 2011-2-28 23:58
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