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head0819 发表于 2014-6-23 10:45 ( n9 X5 C8 R4 f
兄台,你一句话就搞定了吗?
3 A! P+ {# b: N7 {4 x! H" o* I标准哪里有讲到哦?恕我无知! 8 B7 g# l8 k" }
60950 5.1.7.1,6 l5 ?4 F3 p c- W) w
If the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds
" R# `9 s0 s& m: O, i3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in
, D% R$ p: Q9 W$ L; W v9 J7 I5.1.7.2.
. ]1 u$ ?, d% c) ja) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per
8 y ~- p' |* lline under normal operating conditions. If the load is unbalanced, the largest of the three 6 f& D0 Y* x% l# K$ f5 D. u1 Q) Z& v7 G
line currents shall be used for this calculation. |
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