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head0819 发表于 2014-6-23 10:45 6 C1 y* _4 W$ S J/ Z% w& J4 @
兄台,你一句话就搞定了吗?
, F! _. p( ]6 _' g" i( n标准哪里有讲到哦?恕我无知! * B1 J* Z" ?' q1 ^. S
60950 5.1.7.1,
' l& L: D9 \3 j4 E; X% mIf the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds ' [2 f' y% D6 l% k: o
3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in
. |5 t" H y: k! k1 g5.1.7.2. % G+ O) S4 E+ y( f9 O
a) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per
- G0 {, ]- z6 U) \; s# h0 nline under normal operating conditions. If the load is unbalanced, the largest of the three
( z9 k! w0 @- {9 n/ q" _# ~line currents shall be used for this calculation. |
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