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head0819 发表于 2014-6-23 10:45 - k. \/ \) k/ g8 A: u5 a
兄台,你一句话就搞定了吗?
) B% `) c3 e& `& H9 v# b" u& d# V2 X标准哪里有讲到哦?恕我无知!
& r( Z/ g% l$ ^+ E X" q" F1 m60950 5.1.7.1,
0 t$ N1 j/ {( l: p& b- W. \% T' cIf the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds ( T+ E8 Q. S+ n
3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in * ^" z$ }1 S0 |0 s' \, b
5.1.7.2.
$ F x$ A& Z! _& ^' xa) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per # Q; G7 c8 T5 h8 @4 t- m+ V) U+ g1 e
line under normal operating conditions. If the load is unbalanced, the largest of the three
: X9 R- p6 W! b e7 W. F$ pline currents shall be used for this calculation. |
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