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引用第25楼zihui于2007-08-28 11:46发表的 :
. f/ ^$ a* Z5 S3 ?, {, S: h% k还是不对,变压器属于POLLUTIOAN DEGREE3吗?
5 s1 y/ X9 l( j4 g/ l; L* D一般,變壓器屬於Pollution Degree 2
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# h. p( E" b. [3 n( RPollution Degree 3 是指有污染的地方。
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引用EN 60950-1-2006 clasue 2.10.1.2, T6 N1 @- p R! n7 |! d$ O7 A
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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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