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head0819 发表于 2014-6-23 10:45 
3 T5 d7 z, A" N z* m/ [) n- x- p兄台,你一句话就搞定了吗?
1 R1 m& a) _* v+ W标准哪里有讲到哦?恕我无知! # O. w& k% N( B5 M2 {: a
60950 5.1.7.1,
9 U1 G$ `0 Q3 e4 B& @0 r1 LIf the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds , f7 \, D5 Z+ s) e3 J
3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in
! @3 n& |. D3 U4 b+ u0 B5.1.7.2.
- b2 \6 D% g% D u1 s6 d) na) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per
$ Y$ X b, l3 L: J) ]7 O) Lline under normal operating conditions. If the load is unbalanced, the largest of the three
, W/ ^8 q3 ~3 x& j* {% Uline currents shall be used for this calculation. |
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