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查IEC60335-1 2010附录( s8 R/ Y" p" ?
“A.2 Electric strength test 5 K& G% S' O( ^1 T0 Z; z
The insulation of the appliance is subjected to a voltage of substantially sinusoidal waveform
, A5 O" D4 O! Q) y( n. V5 Jhaving a frequency of approximately 50 Hz or 60 Hz for 1 s. The value of the test voltage and , K$ `2 g+ C1 W+ R# v
the points of application are shown in Table A.1.”) N& w h, c- T+ E. D9 @( w3 H% i% I
0 A! O2 Z; L. S) m- C
“Table A.1.””9 `) z; T, b! I7 d' m) ^% @
>150V时7 p& A' D* g2 d9 i: j$ _
基本绝缘 1000V8 u- b! o/ c# t
双重，加强绝缘2500V
3 [$ K& b G" q( ?, G: L p2 r- U2 i! w& y
对于设定电流没直接明确说法。; a ^4 m1 ~% F- E
只写着，1 |/ V) _) n, z2 e1 O
“No breakdown shall occur. Breakdown is assumed to occur when the current in the test circuit
1 u3 d9 M1 l7 Y, h K0 g% yexceeds 5 mA. However, this limit may be increased up to 30 mA for appliances with a high
u6 d, S# ~5 V) bleakage current. ”
. L( D9 n( @$ e$ V, y
# q6 \9 ~/ Z) v: X' c R再查UL1026 2007的31章
& G" Z% A l* q! i. g33 leakage current tests
5 |7 O; ^! d7 n% T" g9 u
+ j3 B, m0 o( c3 nThe leakage current of a cord-connected appliance rated for a nominal 120-V or 240-V supply when
" c R2 [* | \5 _tested in accordance with 33.3 ± 33.8 shall not be more than:/ w4 `; {" x) o4 C# W5 A5 ~ N
/ F- H% L7 M. h$ \6 ]
b) 0.5 mA for a grounded (3-wire) appliance that is easily carried or conveyed by hand7 Z* T) r$ }( {
4 n' L3 T, T, D6 s& _+ h9 O
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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