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引用第25楼zihui于2007-08-28 11:46发表的 :
2 m; n/ Y- o; m( l$ v: G" ]还是不对,变压器属于POLLUTIOAN DEGREE3吗?
+ a# ^$ s( n% o一般,變壓器屬於Pollution Degree 2 Z2 ?. u( s$ K
# Y( W4 I9 b" ~' ?7 E: oPollution Degree 3 是指有污染的地方。' n/ p/ Z* M g8 ~1 P ^
7 u: w2 Q* t1 v+ l8 y+ W) D$ d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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