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本帖最后由 jjlamshushushu 于 2014-6-27 06:46 编辑
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& T" ?1 {8 I; G* k& H2 ?% \4 r60598-1 Clause 13.2.1
9 r3 r3 V! G2 k, D2 F3 P7 [Compliance is checked by the following test:
( k, l k8 n' r; c, X5 YThe test is not made on parts of ceramic material or on insulation of wiring.
2 C- J' ?" ?3 UThe test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the- Z7 n) V* q' Y5 M: d
operating temperature of the relevant part determined during the temperature test (normal( g( R* w# Z% a3 K/ T5 s
operation) of Section 12, with a minimum temperature of 125 °C when parts retaining current carrying parts or SELV parts in position are tested, and 75 °C for other parts.
i5 i. o0 {" q1 A+ @, [5 Z载流部件又没有说一定是高压的,也可以是SELV,低压大电流由于过热照样会引起载流部件短路发生火灾(比如常用在电动类的24V的镍氢电池),所以SELV球压是必须需要考虑的。。。当然,SELV的附加绝缘的塑料部件可以免去球压测试。 |
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