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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
" a8 S; \" S* J9 {* D% L* r3 l1. 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。( N! e) T5 F1 I* E0 ?8 f- |
6.2.2.2 Fault condition No. 1
! Z, M* i6 i0 ?( T( V' f# b1 L8 N% XDepending on the kind of EQUIPMENT, several safety degrees of the protective conductor are to be distinguished (see IEC 61140).3 V3 H" x& w% _+ O4 O2 v2 j
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).
& q, `1 A4 C: j, R) g# P2 D' {3 nThree-phase EQUIPMENT not reliably earthed shall be tested with loss of protective earth connection (switch e).
) D$ i5 H; h/ n; _/ hUnless decided otherwise by the EQUIPMENT product committee, the requirements of this. D4 C; a+ y0 t5 ?- I2 A
subclause do not apply to reliably earthed EQUIPMENT (e.g. see IEC 60364-7-707) which is' b$ J7 p1 c! \' f
connected to the supply either permanently, or by means of plugs and sockets which are of! ^3 M \- V7 y5 x5 J$ w/ f. S" Y
industrial grade (for example, connectors specified in IEC 60309-1 or a comparable national+ Q7 P {* A: g. S! f1 W
standard).
* l0 T4 a0 A5 L. y4 u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
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8 Y9 H0 A" N2 ?9 _& f6 l1 y3. 这样说吧, ES2 限值为25mA, 用FIGURE 5 U3 测定。
" Y6 T+ w5 z9 \6 _) N. A用FIGURE 5 U3测试,AC:ES2限值是7.07mAPeak, DC: ES2限值是25m吧
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