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引用第25楼zihui于2007-08-28 11:46发表的 :, {2 a. P1 Y0 p
还是不对,变压器属于POLLUTIOAN DEGREE3吗? # a( I; O" r( c6 {3 z o
一般,變壓器屬於Pollution Degree 2! t& S& y' d( b t. t$ u
# Y( q5 T* I) y! ^1 ^: ^) PPollution Degree 3 是指有污染的地方。; ]1 I8 D: ~. R! i
$ V; ]! A5 P* n! g: ?, L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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