试题与答案

电压互感器的二次中性线回路如果存在多点接地,当系统发生接地故障时,继电器所感受的电压

题型:判断题

题目:

电压互感器的二次中性线回路如果存在多点接地,当系统发生接地故障时,继电器所感受的电压会与实际电压有一定的偏差,甚至可能造成保护装置拒动。

答案:

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参考答案:SELTracS40型CBTC系统按照功能划分为管理层、控制层、执行层.

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