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本帖最后由 jjlamshushushu 于 2014-6-27 06:46 编辑
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* e: b3 ^9 {# e1 F9 ?% ?0 c& v60598-1 Clause 13.2.1
9 }0 N x3 f# F: dCompliance is checked by the following test:
" F+ g" \6 X% Z* E) u* ]0 P" NThe test is not made on parts of ceramic material or on insulation of wiring.
* g8 S, t% B( B nThe test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the
`; I5 \. s; _, Loperating temperature of the relevant part determined during the temperature test (normal
* T+ I- y2 X# \* V4 B# Voperation) 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.
3 u7 ?) E+ h" C. x* K% @) i+ G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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