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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,
# s2 u8 M4 h# i& F9 a' @/ qCLEARANCES and CREEPAGE DISTANCES smaller than those specified are allowed but are subject
9 }* x# X: I% }1 |to the requirements of 4.3.1, 4.3.2 and 11.2.+ H$ b# w* J" @: P* m* r/ R/ u
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何为"EXCEPT FOR",理解这个就好理解整句话了% u/ f( Y8 R0 U; ]" H. b3 b# R. P8 U' h
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有英文水平高点的,看看是不是我说的意思?9 R! t6 @2 o1 ]) o0 h" p2 j
“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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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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