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引用第25楼zihui于2007-08-28 11:46发表的 :
8 y3 T. N" D% K9 E0 x还是不对,变压器属于POLLUTIOAN DEGREE3吗? # c5 ~9 R- m: F* e2 u& [
一般,變壓器屬於Pollution Degree 2/ f6 R: Z. G8 a4 H" q- t+ I& K
/ @; ?, h! s9 R9 `Pollution Degree 3 是指有污染的地方。+ A, u/ w: R; k$ M7 ~+ y# J U# Z* W
0 c, V% Y) Z# P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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