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本帖最后由 H-RH 于 2013-7-8 15:01 编辑
. o. D/ r, u( R6 x9 k
1 x7 l! G9 {/ e' k应该施是可以的, IEC 61558-1 SCOPE 1 a)/ I! K+ i$ ~+ R
* {0 F! J4 h* x4 [$ C* {• for isolating transformers:6 ~5 v* p' C" W' Y0 d$ S/ @; k7 ^( a7 |9 C
– rated output for single phase transformers, not exceeding 25 kVA, and for polyphase transformers not exceeding 40 kVA." v6 C& s! q& }4 s' A/ A! Y
– no-load output voltage and the rated output voltage exceeding 50 V a.c., and not exceeding 500 V a.c, or 1 000 V a.c. to be in accordance with the National Wiring Rules or for a special application.* o2 J r. W2 u( q" R
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