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head0819 发表于 2014-6-23 10:45 
3 G& ^5 F& ?' V7 m( X8 `7 x- P. n兄台,你一句话就搞定了吗?
9 D! u: |6 C9 ~/ ^( @/ t. i标准哪里有讲到哦?恕我无知!
. D& G$ g: ?, s0 D! H& D60950 5.1.7.1,. S% x; D H( g3 l4 k
If the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds ) `) _( c- E' V. Q) B5 b7 D
3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in
/ Z7 h" x+ o3 Q4 |% q0 C5.1.7.2.
3 S: K: p; X8 j% R2 Q% I* L4 za) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per . W& }3 ]8 {3 e7 w8 a- Q& p, ?1 v) d
line under normal operating conditions. If the load is unbalanced, the largest of the three ! a- X$ U1 Y$ w. m
line currents shall be used for this calculation. |
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