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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:3 |6 L) T2 V% V! _! f! G# g/ y
(a) between exposed conductive surfaces and the grounded pole of the supply circuit.% [ }3 ]9 e& m; X
4 c" [7 O0 e) W% s5 [/ }( K; j(b) between output circuits and the grounded pole of the supply circuit.; `9 E% U5 P$ e3 C
& a! g! l6 _# h(c) between output circuits and exposed conductive surfaces.7 u7 T' a/ _' e, K3 a1 t
$ M8 F2 ]8 A. h' d(d) with output circuits conductively connected to exposed conductive surfaces, between output circuits/exposed conductive surfaces and the grounded pole of the supply circuit.
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5 Z. K8 H$ e, V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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