题目内容
[单选题]下列不属于零序电流保护特点的是( )
2025-11-29
A.灵敏度高,几乎不受负荷电流影响
B.受系统运行方式变化影响较小
C.出口短路“无死区”
D.零序过电流保护的延时比相间过电流保护的延时长
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