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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# X* t: j" V9 i, p/ q3 Y
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.. P7 A- Y% ?8 z v' C+ B. F" e& {
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2. ...
2 `0 [, Z6 z; o' X3 h$ Z2. 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。! e7 m; F7 S' d" N
6.2.2.2 Fault condition No. 1
2 i/ M) d6 x+ f/ b8 mDepending on the kind of EQUIPMENT, several safety degrees of the protective conductor are to be distinguished (see IEC 61140).
: o8 g3 r' p# k ~1 H5 tSingle-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).
+ Y! b! C+ k, O# \2 D, S: l/ WThree-phase EQUIPMENT not reliably earthed shall be tested with loss of protective earth connection (switch e).3 T4 l/ t% S+ z/ b; g" @8 ^
Unless decided otherwise by the EQUIPMENT product committee, the requirements of this
& R, P7 g' Q6 ]3 \ o( B/ wsubclause do not apply to reliably earthed EQUIPMENT (e.g. see IEC 60364-7-707) which is$ J* B8 z8 s5 P- k8 L% f9 S! g/ f
connected to the supply either permanently, or by means of plugs and sockets which are of
# @; _) c; o; R! X! F. f# [/ j; C" u" Sindustrial grade (for example, connectors specified in IEC 60309-1 or a comparable national
2 g) \& i7 ~+ W( u" Zstandard).
+ P' W. Y1 I/ I' N# o$ j& }3 B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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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# X4 |. O% R( O' D
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3. 这样说吧, ES2 限值为25mA, 用FIGURE 5 U3 测定。* |; s) q+ J, j* v7 G( G7 A" {+ G
用FIGURE 5 U3测试,AC:ES2限值是7.07mAPeak, DC: ES2限值是25m吧
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