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head0819 发表于 2014-6-23 10:45 
/ @0 I& F: i- X; c# v兄台,你一句话就搞定了吗?
$ ]8 G; p3 a/ C; m标准哪里有讲到哦?恕我无知!
' ]5 n+ L6 o8 A0 ?7 o. g60950 5.1.7.1,! f4 r$ v7 ]. ]' G# Z" P* V; R
If the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds
1 M6 ^% x" k- l4 u- _3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in
0 {, \2 ^7 {: H, @/ N; d5.1.7.2. 3 i) a0 G7 |: F9 E9 ^, ^
a) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per ( j! [2 Q% ~- O7 K/ U, M5 t b+ i
line under normal operating conditions. If the load is unbalanced, the largest of the three # P5 F2 }+ A' C6 S( u- B" b
line currents shall be used for this calculation. |
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