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本帖最后由 jjlamshushushu 于 2014-6-27 06:46 编辑 , j) W. q) D, _( `9 E
X, E- Q( ^7 G' @5 A60598-1 Clause 13.2.1
3 B( J/ f7 N Z+ sCompliance is checked by the following test:5 u( M8 ?/ t% L( Y9 |+ q
The test is not made on parts of ceramic material or on insulation of wiring.
1 e, |# ?! t% ?' I: p7 EThe test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the
" U- @/ r6 m/ p8 Noperating temperature of the relevant part determined during the temperature test (normal: c3 T, M0 B8 T+ W1 ^& r" n
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.; m8 U1 o( ]' u3 k. }, h
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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