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发表于 2021-10-14 17:26
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Berryang 发表于 2021-10-14 15:53
8 z6 i5 [9 Z8 A! f R3 c1. 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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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。6 o+ F' b, A0 a; T; x
6.2.2.2 Fault condition No. 1
2 R J; ~& r4 u* NDepending on the kind of EQUIPMENT, several safety degrees of the protective conductor are to be distinguished (see IEC 61140).
7 ~3 v r3 J3 a/ Z* D% lSingle-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).' J" I- w/ w2 k% d0 f
Three-phase EQUIPMENT not reliably earthed shall be tested with loss of protective earth connection (switch e).1 V' ~ E- B" w' u' Y
Unless decided otherwise by the EQUIPMENT product committee, the requirements of this
[3 V$ W( s) @- i( I' q; u, q) [subclause do not apply to reliably earthed EQUIPMENT (e.g. see IEC 60364-7-707) which is
* F9 H/ o2 W: w/ W$ Rconnected to the supply either permanently, or by means of plugs and sockets which are of+ ?8 J" } \. A
industrial grade (for example, connectors specified in IEC 60309-1 or a comparable national% ^, q3 \) {% n
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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( N1 {! T$ E q! \& r& i
4 j# g N; Q7 n, f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! p% O! c3 [5 j j q
# {1 C1 b: A9 C, ~% X3. 这样说吧, ES2 限值为25mA, 用FIGURE 5 U3 测定。
9 a( O) u- M& {3 s用FIGURE 5 U3测试,AC:ES2限值是7.07mAPeak, DC: ES2限值是25m吧# M. ^' [6 A, s; }$ Y
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