220~500kV电网的线路启动重合闸的方式有().A.母线保护动作启动;B.线路保护动作启动;C.变压器保护动作启动;D.断路器位直不对应启动.

作者: rantiku 人气: - 评论: 0
问题 220~500kV电网的线路启动重合闸的方式有().
选项 A.母线保护动作启动; B.线路保护动作启动; C.变压器保护动作启动; D.断路器位直不对应启动.
答案 BD
解析

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