双母线接线形式的变电站,当母联断路器断开运行时,如一条母线发生故障,对于母联电流相位比较式母差保护仅选择元件动作。( )
发布时间:2026-01-24
A.正确
B.错误
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69488' and id < 4501156 and id<>'4501156' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69488' and id > 4501156 and id<>'4501156' order by id asc limit 5
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