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head0819 发表于 2014-6-23 10:45 
2 O9 R6 U! P* i, j& r/ V) ^$ S, i兄台，你一句话就搞定了吗？
2 ^/ Z6 R& P5 ~5 }7 _; c标准哪里有讲到哦？恕我无知！
1 d2 U0 K) o7 v0 ^60950 5.1.7.1,
7 w- p( u8 |9 e: }: u# _; U! }If the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds
% y" N/ T4 |& O \( E, W3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in ( c) X3 `$ K/ y8 n5 Q4 {
5.1.7.2. ( p) ?8 ^$ t$ H
a) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per
; c# N' Y8 m: S5 Z" F4 rline under normal operating conditions. If the load is unbalanced, the largest of the three
4 ^4 Q( j! U, p$ jline currents shall be used for this calculation. |
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发表于 2014-8-14 12:48
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