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本帖最后由 jjlamshushushu 于 2014-6-27 06:46 编辑
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8 _4 Q2 S7 @- d5 i+ X- b+ U60598-1 Clause 13.2.1
3 P6 S- ]/ |" C6 v8 h" ?' wCompliance is checked by the following test:
i' W2 v2 h2 M5 B5 y. G* w# G) VThe test is not made on parts of ceramic material or on insulation of wiring.
) X9 ^' C0 z% `( u) _The test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the1 ^$ P. j1 F# k+ u
operating temperature of the relevant part determined during the temperature test (normal
7 E- A7 j9 o: ?! [% l6 y" f* E7 w& Qoperation) 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.
) m' Q' N" A6 K/ Q# h. r, 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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