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5.1.1基本要求中有如下句子:
" X1 j% J! b* x- D6 gif it is clear from a study of the circuit diagrams of either PERMANENTLY CONNECTED
' D# B; B: D" L+ S; A5 s4 j/ u. N7 sEQUIPMENT or PLUGGABLE EQUIPMENT TYPE B, that has a PROTECTIVE EARTHING CONDUCTOR, that the TOUCH CURRENT will exceed 3,5 mA r.m.s., but that the PROTECTIVE CONDUCTOR CURRENT will not exceed 5 % of input current, the tests of 5.1.5, 5.1.6 and 5.1.7 are not made.$ a9 K! X. d f: s( C0 r
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该怎么分析接触电流有效值会超过3.5mA ,但保护电流不会超过输入电流的5% 呢?谢谢! |
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