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引用第25楼zihui于2007-08-28 11:46发表的 :
, X8 Z0 |% ^) ^+ Q还是不对,变压器属于POLLUTIOAN DEGREE3吗?
8 _* F# ]* B% |/ V! V* q一般,變壓器屬於Pollution Degree 2
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Pollution 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
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5 u/ `, c* i. R# X" A7 KPollution 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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