标题: 17章变压器和相关电路的过载保护问题 [打印本页] 作者: zephon 时间: 2013-10-10 16:27 标题: 17章变压器和相关电路的过载保护问题 请教大家,电池充电器做17章Overload protection of transformers and associated circuits 实验,是直接给变压器次级rectifier之后输出带过载吗?是不是从额定带载到保护为止?新手求前辈们指导3 [ r. G- _7 H7 s9 a
0 i( d5 x- C7 f1 X' t" X0 k1 u- ~ A 作者: zephon 时间: 2013-10-10 20:40
怎么一个指导的都没有啊作者: jd_ren 时间: 2016-3-8 10:48
同问,是不是都是意思下就好了作者: wu501x 时间: 2016-3-9 17:24
17 Overload protection of transformers and associated circuits9 B5 @. z5 m$ b* E' `
Appliances incorporating circuits supplied from a transformer shall be constructed so that in / {) y" w/ M% I" X0 Y6 @2 Fthe event of short circuits which are likely to occur in normal use, excessive temperatures do 9 a7 h; `+ S& P" y/ _1 y& {3 {not occur in the transformer or in the circuits associated with the transformer. ' f' M( q* w, j Q) J7 Y4 RNOTE Examples are the short-circuiting of bare or inadequately insulated conductors of accessible circuits ) N6 `/ h& g; t, L. Aoperating at safety extra-low voltage. 0 x( t ~# m, F$ d+ {Compliance is checked by applying the most unfavourable short circuit or overload which is % ?( b/ M. a/ Y# ~1 n o0 clikely to occur in normal use, the appliance being supplied with 1,06 times or 0,94 times rated( C: w, O3 K1 j/ z6 c- N: U- d
voltage, whichever is the more unfavourable. Basic insulation is not short circuited. ( v. A% E P) b7 T6 X6 @. T4 Q3 t% F4 T/ }$ I" S0 K: A
特殊标准好像有补充