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引用第25楼zihui于2007-08-28 11:46发表的 :
/ T7 u" e- h: u/ q1 @3 M" B" e还是不对,变压器属于POLLUTIOAN DEGREE3吗?
6 D4 O2 ]2 \0 Y" j一般,變壓器屬於Pollution Degree 23 A/ \- B: O3 S j5 W
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Pollution Degree 3 是指有污染的地方。4 N7 l9 Z8 e$ M5 @- `. F& f
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引用EN 60950-1-2006 clasue 2.10.1.2
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+ F/ C( ?, J ~4 n S# F' OPollution 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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