|
|
本帖最后由 jjlamshushushu 于 2014-6-27 06:46 编辑
% G9 A- Q. ^ V& b
1 @! G" I) J6 v' ~8 _' p8 ^; @' c+ m5 {60598-1 Clause 13.2.1
7 V2 g7 \* V. l# ~3 m) ZCompliance is checked by the following test:. V" ?( F% {# u2 }2 m
The test is not made on parts of ceramic material or on insulation of wiring.0 x! a( \' @/ o* ?2 O9 s, z
The test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the5 U5 m- R' h9 g. v. r5 Z( T
operating temperature of the relevant part determined during the temperature test (normal0 ~3 ^8 C# y# s2 Z5 A
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.
7 L& k6 u2 r* x' P( U- _# N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。 |
|