|
本帖最后由 H-RH 于 2013-7-8 15:01 编辑 / ^/ U5 E0 c3 i. {9 e! x
8 w; w+ C4 o+ l) V应该施是可以的, IEC 61558-1 SCOPE 1 a)
/ u7 S# e g* e8 ]+ r. j
B" r3 y6 U' A) q7 M+ `1 j• for isolating transformers:- y# P0 m( e v7 g9 O
– rated output for single phase transformers, not exceeding 25 kVA, and for polyphase transformers not exceeding 40 kVA.1 L ]1 @) H* x( \* S0 I1 }" i
– 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.
5 {! B6 W) u. X |
|