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本帖最后由 Safer 于 2013-5-21 10:14 编辑
( H& ]8 f$ D5 k% ^5 c' zxidua-10 发表于 2013-5-20 17:45 ) M4 w* A; }) l+ X' G- {
個人以為如下
9 e) C. L9 f' x8 r4943,基于IEC60950翻译的,关于这部份,IEC的原文如下:' L5 R5 q# q. o- `
2.7.1 Basic requirements
! w+ T2 @$ J. {8 k% k" cProtection in PRIMARY CIRCUITS against overcurrents, short-circuits and earth faults shall be$ `: e8 D7 S, L* O" K! ~" C% e
provided, either as an integral part of the equipment or as part of the building installation." @# k6 u9 A' F1 t
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红色字体部份,怎样理解也都无法得出:保护必须置于EUT内的要求~ |
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