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楼主 |
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,
' M* {, w1 f9 |8 i: HCLEARANCES and CREEPAGE DISTANCES smaller than those specified are allowed but are subject
" x% ^. G5 Q. mto the requirements of 4.3.1, 4.3.2 and 11.2.. z- o1 ?0 i/ ^, Q: r
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何为"EXCEPT FOR",理解这个就好理解整句话了4 P. M+ G4 N2 X6 a; e
* W! b$ J. j* q+ M有英文水平高点的,看看是不是我说的意思?# ~4 }/ \3 q2 j4 \
“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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6 F5 U# |) y) I# i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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