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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:/ D4 U0 q8 c, {9 X0 Q7 b. ~
(a) between exposed conductive surfaces and the grounded pole of the supply circuit.
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(b) between output circuits and the grounded pole of the supply circuit.7 u" o- Z H0 _0 ^+ V2 `. I3 f
9 t9 _ Y$ P2 u7 a(c) between output circuits and exposed conductive surfaces.; V3 W& D$ g1 y
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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." ?" J) ?- d h- K, L
/ W2 o" m# o$ z& `" s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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