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引用第25楼zihui于2007-08-28 11:46发表的 :
% {- o4 i* [0 S, v2 Y( k! B' V还是不对,变压器属于POLLUTIOAN DEGREE3吗?
1 i: f y4 i W一般,變壓器屬於Pollution Degree 27 W F4 Z4 d1 b0 ?
+ R* g& G I( G& xPollution Degree 3 是指有污染的地方。
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引用EN 60950-1-2006 clasue 2.10.1.2. k" m( V7 F4 x9 o1 b
$ L3 z( j% G) s7 l7 Q- n {) YPollution 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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