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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
/ N& H% L& l Rendangering their surroundings, withstand the short circuits they may be subjected to.$ o3 R( g! ~( z/ J5 I1 i# _# E: Y
Compliance is checked by the following test.
7 e' c6 p, F; h- p! ^: Q* C7 P9 |The switch is tested in a substantially non-inductive circuit in series with a load impedance and8 Y# F5 r2 c# b. B( @/ O
a device for limiting the let-through I2t.
* |( l# Q2 D3 ?8 i t$ o3 BThe prospective short circuit of the supply shall be 1 500 A r.m.s. at a voltage equal to the2 r h" I& v8 m8 c; k' J
rated voltage of the switch under test.+ P4 i4 J4 ?- H0 x
The prospective let-through I2t value shall be 15 000 A2s.2 o+ Y, m8 b' f* I# I
/ B6 F* Q. k# `问题1：电子开关的短路试验如何做？
5 m% G$ q6 \( B- Z* o问题2：这些参数如何实现？) U) E }2 Z( K1 h. [' z
8 G/ U( F6 |) J. ONOTE 7 Attention is drawn to thefact that solenoid operated pneumatic means may result in an unintentional
; p# K& e8 {8 ]
synchronization.
问题3：这一句是什么意思？
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