|
|
head0819 发表于 2014-6-23 10:45 ) y& f4 S0 z5 e& ~, J: k
兄台,你一句话就搞定了吗?
i1 o9 [) J5 P2 f% S标准哪里有讲到哦?恕我无知! 2 x, f9 A1 q: L. d% u
60950 5.1.7.1,
2 f4 c9 n @# f7 }4 v3 |If the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds
- {$ E# z6 z4 {. z& B( z8 _' q3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in
% r* L4 j3 a, C: E! N) i5.1.7.2. " g4 E& k+ C4 {) z' e) t" W
a) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per 0 R1 W# _* G9 K. h0 \
line under normal operating conditions. If the load is unbalanced, the largest of the three / ?( L5 z1 L+ ~& \/ j
line currents shall be used for this calculation. |
|