断路器失灵保护是 -题库考试答案搜索网

断路器失灵保护是

单选题

2021-09-01 20:45

A、一种近后备保护，当故障元件的保护拒动时，可依靠该保护切除故障
B、一种远后备保护，当故障元件的断路器拒动时，必须依靠故障元件本身保护的动作信号起动失灵保护以后切除故障点
C、一种近后备保护，当故障元件的断路器拒动时，可依靠该保护隔离故障点
D、一种远后备保护，当故障元件的保护拒动时，可依靠该保护切除故障

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正确答案

C

试题解析

标签：联大河南理工大学电气工程及其自动化微机继电保护

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