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发表于 2009-6-24 10:23
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,Except for insulation between parts of different polarity DIRECTLY CONNECTED TO THE MAINS,+ L; L" l$ E! F2 E( T9 P6 k8 U
CLEARANCES and CREEPAGE DISTANCES smaller than those specified are allowed but are subject
3 l4 T. P t# C! p; tto the requirements of 4.3.1, 4.3.2 and 11.2.5 X: [ N* J0 ?1 Y
9 A5 D3 [4 l# R% v7 l何为"EXCEPT FOR",理解这个就好理解整句话了1 i! N' o' o m1 w# F
- F: ^& G/ W* `6 x9 s6 y有英文水平高点的,看看是不是我说的意思?
?- V8 R1 b, H- K: F) ?2 G8 q“直接与电网电源连接的处的电气间隙和爬电距离允许减少,不用满足标准4.3.1;4.3.2;11.2条的相关要求。其它位置允许减少,但要满足标准4.3.1;4.3.2;11.2条的相关要求”
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* y# T4 B1 N! ~; ]2 p( z/ `目前CCC认证,只要能够满足标准13.1规定的三个条件,都是允许减少。 |
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