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head0819 发表于 2014-6-23 10:45 
2 F6 `& B" E) N7 r, }. Y5 a# I兄台，你一句话就搞定了吗？
! {; z0 N3 L; b! i标准哪里有讲到哦？恕我无知！
60950 5.1.7.1,
# j7 D; P. L" S0 }If the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds , z- {9 q, T$ ]# V7 U& `
3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in
2 l1 C) }4 `3 G) ]/ \3 g5.1.7.2. ; t& l& J' x3 `- I$ j
a) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per
) ` R; J' q$ Q7 N5 _, qline under normal operating conditions. If the load is unbalanced, the largest of the three
' x6 L7 [ t r5 d) B, j# ~0 kline currents shall be used for this calculation. |
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发表于 2014-8-14 12:48
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