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head0819 发表于 2014-6-23 10:45 
* }* H- \5 `/ [7 B4 M) w5 ^7 l0 _* u兄台，你一句话就搞定了吗？2 V3 }) e# U- o# ~5 C) l: V! X
标准哪里有讲到哦？恕我无知！
( [2 Q ~6 M! Y( k& n4 U60950 5.1.7.1,# W6 h: s8 [' |1 L: d
If the result of the TOUCH CURRENTmeasurement on any of the above equipments exceeds
' e4 q4 ?1 S& C: @6 l3,5 mA r.m.s., the following requirements a) and b) apply, and also, if relevant, those in 7 }' @/ n$ A" o" p
5.1.7.2.
- p: ?. Z2 A! j# }4 R& ] s Da) The r.m.s. PROTECTIVE CONDUCTOR CURRENTshall not exceed 5 % of the input current per
) k; a% D! G+ U0 r; t" [5 kline under normal operating conditions. If the load is unbalanced, the largest of the three
0 U( L/ |. {( n# M) U5 gline currents shall be used for this calculation. |
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发表于 2014-8-14 12:48
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