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本帖最后由 jjlamshushushu 于 2014-6-27 06:46 编辑 7 m) W5 m, M F- R
% s k1 t' ?( o$ a8 v60598-1 Clause 13.2.1
( Z: C# @7 V8 V% U: t6 N* ?Compliance is checked by the following test:' P: v3 h% ?) e
The test is not made on parts of ceramic material or on insulation of wiring./ ^( P# }6 |" r
The test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the
. _5 |! r# o6 Z% R- j/ B0 Coperating temperature of the relevant part determined during the temperature test (normal
' A) K9 Q+ c8 `0 g( koperation) 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.
% {$ f' m5 R: B+ ]# E" q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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