当前学科:高压电工考试
  • 题目: 单选
    一般最大短路冲击电流出现在短路故障的时间和采用微机保护能发出跳闸指令的时间分别满足下列哪个选项()

      A . 0.01s,0.005s
      B . 0.01s,0.04s
      C . 0.1s,0.05s
      D . 0.02s,0.004

    答案: <查看本题扣1积分>

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