一台三相变压器,额定容量SN=250kVA,一、二次额定电压为U1N/U2N=10/0.4kV,Yd连接,则一次侧额定电流为( )。
发布时间:2025-12-14
A.25A
B.14A
C.5A
D.10A
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69442' and id < 4497081 and id<>'4497081' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69442' and id > 4497081 and id<>'4497081' order by id asc limit 5
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