IEC 61058-1 clause 23.3 电子开关的短路试验如何做？

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IEC60335试验指甲

23.3 Electronic cord switches and electronic independently mounted switches shall, without
" T" P7 w. P3 Fendangering their surroundings, withstand the short circuits they may be subjected to.
Compliance is checked by the following test.
The switch is tested in a substantially non-inductive circuit in series with a load impedance and
; P6 P; Q5 g/ ^a device for limiting the let-through I2t.
: i9 h* P# U7 `( m# j) cThe prospective short circuit of the supply shall be 1 500 A r.m.s. at a voltage equal to the
' e: U) H! i: U8 B- i% Qrated voltage of the switch under test.
5 O& H! v4 k2 N, n* g! DThe prospective let-through I2t value shall be 15 000 A2s.
. q. C  _8 I" H9 h( `
问题1：电子开关的短路试验如何做？
问题2：这些参数如何实现？

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

1 u: E2 [! M$ S! N

synchronization.

问题3：这一句是什么意思？

! d8 c" g' B1 ~1 Y+ r% f. x, g