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head0819 发表于 2014-6-23 10:45 + u1 I9 N6 _" c0 s* p" L
兄台,你一句话就搞定了吗?
. Z4 H$ D% ]9 c) O# P标准哪里有讲到哦?恕我无知! 4 [' n& b7 T1 f! f% V' c. w
60950 5.1.7.1,
* ^- _: ~7 Q/ U) j$ y* R4 S2 AIf the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds , K- l j( y" L4 C; m
3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in 1 `: B8 F4 y b! A
5.1.7.2. 7 K' j4 v- T! P) o. H
a) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per 3 F; a0 O/ P4 N2 h
line under normal operating conditions. If the load is unbalanced, the largest of the three
3 y% D* B! a, I0 G- o. v' jline currents shall be used for this calculation. |
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