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引用第25楼zihui于2007-08-28 11:46发表的 :
% R- V5 h' g1 G" K* J Z& U还是不对,变压器属于POLLUTIOAN DEGREE3吗? 5 R9 K( U9 C5 t& |9 b w
一般,變壓器屬於Pollution Degree 2) g6 F7 ]0 c5 o: U2 [1 k; m9 D) L
, d5 s |+ I4 } n. X* HPollution Degree 3 是指有污染的地方。
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0 Y' D3 U4 V* g- T7 v" ]7 `( Z( Q引用EN 60950-1-2006 clasue 2.10.1.2
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Pollution Degree 3 applies where a local environment within the equipment is subject to conductive pollution, or to dry non-conductive pollution that could become conductive due to expected condensation. |
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