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head0819 发表于 2014-6-23 10:45 
# ^( V" ]% ^/ ?$ p4 o F8 R9 V/ {兄台,你一句话就搞定了吗?, t! j3 D& Y2 C# v! k; j
标准哪里有讲到哦?恕我无知!
6 P8 |6 `" F5 I" |60950 5.1.7.1,$ `5 K2 J$ V" {; l; |1 p
If the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds + v$ z: X- M( q! o( B
3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in
( K3 S+ g" p- K; j5.1.7.2.
9 ~. t. }9 F, g/ ?a) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per 7 Z% g* m5 t8 a* O/ q9 k! a
line under normal operating conditions. If the load is unbalanced, the largest of the three
0 f7 r* h: j/ A8 f! R: fline currents shall be used for this calculation. |
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