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head0819 发表于 2014-6-23 10:45 
4 q% c* p4 S( z2 K/ B+ n兄台,你一句话就搞定了吗?
# j0 h! O% ?: Z标准哪里有讲到哦?恕我无知!
" A! h' ^) O4 h0 n# o60950 5.1.7.1,
: F7 ~7 z' B7 _0 uIf the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds
* y9 v8 X/ F6 {, \/ B5 ^4 \% x3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in
' F1 F" M; }/ [" Y* l1 n. S8 O7 H5.1.7.2. 2 M3 r1 F' A. X. K* U
a) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per
! a1 n0 K# N, a7 I, c' B% G- M' @line under normal operating conditions. If the load is unbalanced, the largest of the three
. n4 e5 {2 E7 [3 G# wline currents shall be used for this calculation. |
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