对于固定连接方式的完全电流差动式母线保护,如果运行方式发生改变,此时在内部I母发生故障,保护的动作情况是( )
发布时间:2026-01-24
A.保护不动作
B.保护动作,将I母切除
C.保护动作,切除II母
D.保护动作,将母线全部切除
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