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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:9 e5 u( ~4 w1 T5 s; R, k& u
(a) between exposed conductive surfaces and the grounded pole of the supply circuit.
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9 c! Q" P ]- y2 g9 ]& R(b) between output circuits and the grounded pole of the supply circuit.% K0 ]( _* O9 r8 k
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(c) between output circuits and exposed conductive surfaces.
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(d) with output circuits conductively connected to exposed conductive surfaces, between output circuits/exposed conductive surfaces and the grounded pole of the supply circuit.! Q& v4 n; Q9 H5 {* z) @
! B1 T( h1 B3 h5 C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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