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引用第25楼zihui于2007-08-28 11:46发表的 :1 v7 c. ~/ p, w$ a# v' `$ O
还是不对,变压器属于POLLUTIOAN DEGREE3吗? 6 R/ n& m% Z; U3 ?" p' u& J
一般,變壓器屬於Pollution Degree 22 p" j$ c( k- K. ^7 ]* t
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Pollution Degree 3 是指有污染的地方。
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$ |; V) M5 l$ U X$ w' u0 J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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