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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" m0 V8 ?# b5 v' ]# M) z1. 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.) g0 @; p' M# G: L
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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。# ?4 A7 T0 b p
6.2.2.2 Fault condition No. 1, `+ n3 j. k6 ~
Depending on the kind of EQUIPMENT, several safety degrees of the protective conductor are to be distinguished (see IEC 61140).5 X6 b- v1 F2 `* n7 N& 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).. T2 _% \$ ^) C5 i, ^
Three-phase EQUIPMENT not reliably earthed shall be tested with loss of protective earth connection (switch e).& t) b) F5 t2 e! g* o+ w& j( ^
Unless decided otherwise by the EQUIPMENT product committee, the requirements of this- v2 X2 R5 K: n5 V5 v- I
subclause do not apply to reliably earthed EQUIPMENT (e.g. see IEC 60364-7-707) which is
* _) a1 C( a2 v ^2 R1 S1 X" V* Lconnected to the supply either permanently, or by means of plugs and sockets which are of: M% f. n7 U) S% w" V
industrial grade (for example, connectors specified in IEC 60309-1 or a comparable national+ E- B# H- A5 ?4 b
standard).
# t, u% `# s4 ]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" x% g( Y4 p5 i3 `0 w7 t
1 ]) Z7 c4 y% e! ^' p. z2 A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) ~! @9 X% g8 r$ w3 S
# }+ Q8 s; c* D* k8 ^3. 这样说吧, ES2 限值为25mA, 用FIGURE 5 U3 测定。3 {1 u9 ]. H, H, X
用FIGURE 5 U3测试,AC:ES2限值是7.07mAPeak, DC: ES2限值是25m吧
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