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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: L& B: v! S3 ^$ E7 X& b% C

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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 circuits
8 z4 P% W3 ?8 b% k2 m9 P8 ]2 ~# z: GAppliances incorporating circuits supplied from a transformer shall be constructed so that in
2 o& c" Z. v$ F' @% c/ h$ uthe event of short circuits which are likely to occur in normal use, excessive temperatures do8 [% r8 K5 ~8 ~# C; p: M0 E
not occur in the transformer or in the circuits associated with the transformer.
1 C5 \. R. L4 e% a) R* ANOTE Examples are the short-circuiting of bare or inadequately insulated conductors of accessible circuits
: M# Z( z$ G, H1 O' [operating at safety extra-low voltage.6 T( E8 M) U) G# Q4 f
Compliance is checked by applying the most unfavourable short circuit or overload which is
$ ~' k& o# J/ |8 Y2 |likely to occur in normal use, the appliance being supplied with 1,06 times or 0,94 times rated% @' Y& x- z. F* [1 i
voltage, whichever is the more unfavourable. Basic insulation is not short circuited.; o: B* a6 q2 W8 i, w, h
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特殊标准好像有补充




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