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查IEC60335-1 2010附录, k+ H* D0 v8 l P6 r# J% p
“A.2 Electric strength test
! r# ?. u: d. [* w( D( HThe insulation of the appliance is subjected to a voltage of substantially sinusoidal waveform * I/ R/ H1 H, B, q/ X, {
having a frequency of approximately 50 Hz or 60 Hz for 1 s. The value of the test voltage and . T8 m/ U; y. ~/ z& a" C) ^
the points of application are shown in Table A.1.”% F5 a. X- u# {6 ~; W3 b- s
+ m& F+ S# K9 w7 |) R3 B$ @1 Y1 g1 z2 V“Table A.1.””
0 e' m7 p7 v6 C( _) m5 z6 L>150V时
1 v6 ^9 F" h, a; f+ ^2 Q. ^& H! N基本绝缘 1000V5 X9 H) b; Y" S9 y
双重，加强绝缘2500V
$ i2 v1 _1 @+ `' D5 ~1 r% x3 T& j' [. v% G6 L/ R$ U) k
对于设定电流没直接明确说法。
$ s* ?+ W/ y& D) \6 E, z6 l1 B/ ~只写着，
# T# Y4 O4 q3 _& k3 H“No breakdown shall occur. Breakdown is assumed to occur when the current in the test circuit " ^5 L/ X2 w2 ~7 \) t! w
exceeds 5 mA. However, this limit may be increased up to 30 mA for appliances with a high ! r. Q6 I9 I+ y* w+ [( V J
leakage current. ”+ N7 r' V( S/ I" [9 h+ K
8 }8 z( y$ s& I2 f7 C5 l9 l8 I
再查UL1026 2007的31章 l5 \$ F* b. k
33 leakage current tests
8 q- m; B r. t B2 D* O3 e! U# a% h& D
The leakage current of a cord-connected appliance rated for a nominal 120-V or 240-V supply when
, Q+ x1 G4 v: z4 a/ Q, R. g, ~tested in accordance with 33.3 ± 33.8 shall not be more than:7 m5 V( J: y) }, }, C3 F! F
; q6 x: |. t7 g: \6 w) h& t& T b) 0.5 mA for a grounded (3-wire) appliance that is easily carried or conveyed by hand
2 h$ T' a- Q! h2 S. z- p
5 J" L0 G4 W, Y$ \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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