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引用第16楼leoliang于2010-12-10 15:09发表的 :" t: B8 ~4 w. c' O: }% R; z+ K9 l, D, t
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你的次级侧还是高压,根本就不关Protective impendance 的事了.如果次级侧可触及,那就是防触电问题;如果不可触及,那关Protective impendance什么事呢? Protective impendance 的定义是0 c) ~+ V, a, d
impedance connected between live parts and accessible conductive parts of class II8 G/ H* J/ ~$ ?. |7 |
constructions so that the current, in normal use and under likely fault conditions in the
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5 w7 }% W& j' Z$ v9 Y, Z9 Z$ Z次级确为高压。拆掉外壳后,是可触及。。。+ W# S0 U; l$ u/ j
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正常情况下,无拆机,是无法触到的。这个就是NG掉的原因吗,?。 |
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