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UL1310的泄漏电流和其它标准要求的不同(如测量位置,测量网络), 测量位置应该有4点:
; x' W5 x7 ~, F# w8 n3 D3 `! m! ?(a) between exposed conductive surfaces and the grounded pole of the supply circuit.. B2 L9 S! N* m T% K1 X' ?3 x
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(b) between output circuits and the grounded pole of the supply circuit.
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(c) between output circuits and exposed conductive surfaces.& }* w0 `+ A; V+ {2 @
. U1 m% S7 E- N% r+ v4 C5 [0 X(d) with output circuits conductively connected to exposed conductive surfaces, between output circuits/exposed conductive surfaces and the grounded pole of the supply circuit.( z( a3 _ d, \
( X3 ~, }* n! K+ l! w0 p( l4 z如果你的电源产品初次之间没有跨接电阻或电容, 那么测出来的值应该很小,可能就是0.05mA左右. |
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