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head0819 发表于 2014-6-23 10:45 
, e& v9 Y- L i# K6 Q兄台,你一句话就搞定了吗?$ K9 W2 G* ]3 }
标准哪里有讲到哦?恕我无知! 4 d5 s$ H; J$ t9 q& v& H+ f
60950 5.1.7.1,/ [, x; d- Y8 Q# e# \9 Z) L
If the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds ; Q2 K$ K1 r5 _; G, A9 |% X
3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in
! p% E6 {0 R* C0 Y/ i5.1.7.2.
- E7 U* _- q3 Y; C9 Ca) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per " [+ y2 o- L; A7 d4 H
line under normal operating conditions. If the load is unbalanced, the largest of the three
$ L: O, E/ I/ D/ s/ d( s3 {, y0 q% fline currents shall be used for this calculation. |
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