中性点不接地的变压器星形绕组,三相同时侵入幅值 U 的雷电冲击波时,中性点最大对地电位为( )。(0.5)
发布时间:2025-11-26
A.U
B.2U
C.4U/3
D.8U/3
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69416' and id < 4494627 and id<>'4494627' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69416' and id > 4494627 and id<>'4494627' order by id asc limit 5
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