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引用第25楼zihui于2007-08-28 11:46发表的 :
3 O& v, @* S+ D9 R" P ]还是不对,变压器属于POLLUTIOAN DEGREE3吗?
: k3 r v6 U9 w' W9 C3 P一般,變壓器屬於Pollution Degree 2
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( w W+ @% _7 ^! fPollution Degree 3 是指有污染的地方。6 K R9 R4 ~9 d1 _9 w7 z
3 q$ v6 }2 Y0 v引用EN 60950-1-2006 clasue 2.10.1.2. m; B* D$ y8 ~0 Z8 b. y" D# ?2 _) v5 z" N
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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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