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标题: IEC 61058-1 clause 23.3 电子开关的短路试验如何做? [打印本页]

作者: ljh809809    时间: 2015-10-23 20:06
标题: IEC 61058-1 clause 23.3 电子开关的短路试验如何做?
23.3 Electronic cord switches and electronic independently mounted switches shall, without
$ x4 ]3 F6 U+ K6 yendangering their surroundings, withstand the short circuits they may be subjected to.2 y2 ^$ Y9 s2 I8 z/ }
Compliance is checked by the following test.
; i) R3 Q: _& C( A6 K* ~1 F) U$ tThe switch is tested in a substantially non-inductive circuit in series with a load impedance and8 B1 i+ N, N5 C" t& c2 _$ l
a device for limiting the let-through I2t.
4 q% U  e4 K, F$ N$ G! M& W# @' xThe prospective short circuit of the supply shall be 1 500 A r.m.s. at a voltage equal to the
& d2 G0 X: ^5 ~rated voltage of the switch under test.& _1 j0 R" C2 a5 j# }6 V) a) o/ i4 {
The prospective let-through I2t value shall be 15 000 A2s.
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问题1:电子开关的短路试验如何做?; Y! `" ~* B8 E; ^+ \. E
问题2:这些参数如何实现?5 [+ Q/ L1 a" k6 y0 C* {7 j9 c

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NOTE 7 Attention is drawn to thefact that solenoid operated pneumatic means may result in an unintentional

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synchronization.
问题3:这一句是什么意思?
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