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head0819 发表于 2014-6-23 10:45 
5 {0 ]2 n. }% r5 D, o兄台,你一句话就搞定了吗?
- H q: t- m( V7 P u标准哪里有讲到哦?恕我无知!
1 f# y" u, |7 X6 Y" k- u( L60950 5.1.7.1,. ~: d" t0 Y, w- _4 q
If the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds ; K ]! n1 Z/ z
3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in
3 q- l$ X, s" R1 |/ k5.1.7.2. 4 q: x. ?8 ?- Z& c
a) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per 4 z2 d# q# r' {8 r7 k" w
line under normal operating conditions. If the load is unbalanced, the largest of the three & M/ r+ O/ b* ?7 _( I( h2 o
line currents shall be used for this calculation. |
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