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查IEC60335-1 2010附录+ f* ]# q" C& Y) |
“A.2 Electric strength test 4 I/ [* M$ d. b) f6 I
The insulation of the appliance is subjected to a voltage of substantially sinusoidal waveform
, Q" f# H9 {0 ?1 z3 M5 n! F6 q/ phaving a frequency of approximately 50 Hz or 60 Hz for 1 s. The value of the test voltage and
7 Y) M& l- {3 ]: A* k6 Q, C ^6 hthe points of application are shown in Table A.1.”% ]6 O+ v0 a: q9 t1 C. y
+ m, z! {) B6 L" k, N" u
“Table A.1.””; ? d% x4 N" Y+ M1 s( ]
>150V时
+ o! v4 h7 X/ C$ u" A v基本绝缘 1000V/ v5 Y6 u- _/ r8 j# r+ L# [7 v
双重，加强绝缘2500V
- N/ N4 f/ }/ X- i8 I3 j M
0 U; ~- k+ k! o- b# H对于设定电流没直接明确说法。/ _9 l: U |- l8 g2 l8 r
只写着，
7 O3 |1 L& U- B3 ~“No breakdown shall occur. Breakdown is assumed to occur when the current in the test circuit
5 k3 x4 P5 b% e3 ]' aexceeds 5 mA. However, this limit may be increased up to 30 mA for appliances with a high . D8 N P- Y2 s* l: I3 d
leakage current. ”) k% J6 }$ _- c7 J% t
. ]8 s9 a+ ^9 L; O
再查UL1026 2007的31章# Q, p) X, G) n, P
33 leakage current tests
5 n8 U' c3 U4 A0 ^; n3 f+ S) |7 f! e" j) d" @ j7 a- x
The leakage current of a cord-connected appliance rated for a nominal 120-V or 240-V supply when9 w6 w: Y) R2 e* Q- ?) D2 k
tested in accordance with 33.3 ± 33.8 shall not be more than:
0 k0 [; E3 ]9 \& ]
* P* G" T6 q9 b, x; r+ A, A% @ b) 0.5 mA for a grounded (3-wire) appliance that is easily carried or conveyed by hand
" |; s/ g+ J1 S2 @; l5 Y0 z9 d- s6 s+ s# ?) \/ A# Y e
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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