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Berryang 发表于 2021-10-14 15:53% I" F+ ^4 j$ S2 @$ X. g
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.: S. w3 r* o- O0 f% l* D$ O/ Z" u
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& u. U) G, Y# `- d2. 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。
$ q! J; K# f8 }# h* \6.2.2.2 Fault condition No. 10 |5 h& P$ R" k* o& N
Depending on the kind of EQUIPMENT, several safety degrees of the protective conductor are to be distinguished (see IEC 61140).+ t$ v: t4 M' y$ [. j) ?1 T
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).
* h4 g9 t- f( {/ O9 yThree-phase EQUIPMENT not reliably earthed shall be tested with loss of protective earth connection (switch e).
3 `9 J1 {' V; f6 f I9 L- dUnless decided otherwise by the EQUIPMENT product committee, the requirements of this; v7 }! F$ {* G! ^: M% a" d% V; s
subclause do not apply to reliably earthed EQUIPMENT (e.g. see IEC 60364-7-707) which is
: T2 g$ O( u2 @( V# e+ bconnected to the supply either permanently, or by means of plugs and sockets which are of4 L% Z0 U$ @' ~: ~3 Y: I4 x; w( @
industrial grade (for example, connectors specified in IEC 60309-1 or a comparable national m# T0 x: \% A2 @
standard).1 H! D: `; |% h
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2 `5 D/ r% l1 Q s
" G0 Y2 R6 ?3 e1 z1 O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3 K/ W8 s3 h; M9 U
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3. 这样说吧, ES2 限值为25mA, 用FIGURE 5 U3 测定。
: ]# a* L5 C2 j) _用FIGURE 5 U3测试,AC:ES2限值是7.07mAPeak, DC: ES2限值是25m吧
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