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引用第25楼zihui于2007-08-28 11:46发表的 :( \1 T8 k/ ~( O! V" {
还是不对,变压器属于POLLUTIOAN DEGREE3吗?
0 Q, D+ J C, M, U- e c) P一般,變壓器屬於Pollution Degree 22 ?; w5 q2 C% p8 M9 P6 `7 d; e
5 ~2 v6 f/ o# `, q+ u3 R1 H1 P1 J! zPollution Degree 3 是指有污染的地方。
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引用EN 60950-1-2006 clasue 2.10.1.27 ?4 Y6 S, v' {$ I" S; R) Z( k
6 Q0 {) k$ \. U9 U& g' h1 dPollution 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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