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发表于 2021-10-14 17:26
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Berryang 发表于 2021-10-14 15:533 l) O6 f# `8 w6 ^$ [- B
1. 依据5.3.2。 ES2 是不可以触及的。(不能单看Clause 4.) 只要是ES2, 至少需要basic safeguard.
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4 q' G7 y4 U2 p- s& _2. 6.2.2.2是指的中性线断开吧: 是讲的PE, 二类设备没有PE,故不需要。 有些一类设备,二类结构也不需要。
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, Y) t) d1 F, V" V E& RDepending on the kind of EQUIPMENT, several safety degrees of the protective conductor are to be distinguished (see IEC 61140).; P, G9 q# z+ d$ u
Single-phase EQUIPMENT not reliably earthed shall be tested with loss of protective earth connection (switch e) in combination with normal and reverse polarity (switch p).* P) R! m9 I4 _/ _* Y% j
Three-phase EQUIPMENT not reliably earthed shall be tested with loss of protective earth connection (switch e).5 x" S" J5 e! }& Q! B
Unless decided otherwise by the EQUIPMENT product committee, the requirements of this8 d8 {' {- o& p5 @
subclause do not apply to reliably earthed EQUIPMENT (e.g. see IEC 60364-7-707) which is7 c4 }, l4 {7 |8 i! V2 V1 c
connected to the supply either permanently, or by means of plugs and sockets which are of( ]+ _4 ~! k4 n+ |: @
industrial grade (for example, connectors specified in IEC 60309-1 or a comparable national5 [5 C* L9 N! B5 ]6 [1 G
standard).; X5 D5 P2 S$ Q3 T
在IEC62368-1 2018版本中对应的IEC6099:2016,没有看到那个地方有写到代表是PE呢,请大佬帮忙指导
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& k$ a8 Y2 l# \; E但是看翻译稿对应的GB/T12113,中线断开(开关n),这里指的不是PE吧
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3. 这样说吧, ES2 限值为25mA, 用FIGURE 5 U3 测定。5 f6 Q) k2 `3 M2 ]# |# P, D
用FIGURE 5 U3测试,AC:ES2限值是7.07mAPeak, DC: ES2限值是25m吧
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