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本帖最后由 大侠风清扬 于 2018-8-14 17:55 编辑 2 Q% W$ p) F1 M/ _* R6 X6 H1 L
b6 y4 l1 L0 N) u分类等级在IEC60252-1 A1:2013版中修改了,S0对应原来的P0,S2对应原来的P2。
) _# O4 o+ \7 A; K2 N ~; a% }. ?3 mS3是指电容是segmented film construction的。具体定义如下:4 G, R& j; Z, T+ F1 k. I) l
segmented film capacitor
% c; i8 y U/ ia metallised capacitor with a repeating pattern on the metallic deposit on at least one layer,
) _2 q; J7 Y0 q& Ldesigned to isolate sections of the capacitor in the event of localised faults occurring in the
; m( z# p( M6 z8 D. s }$ {dielectric这个等级是防火和防触电的,不是防爆的。! X& @$ G, Q0 o) O1 o
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