问题:智能保护装置检修过程中如需对光纤进行插拔,应有哪些注意事项?(至...
Saturday, September 17, 2022
问题:关于合并单元时钟同步的要求,下述说法正确的有()。...
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:电容式电压互感器的电磁单元接在互感器的中压端子和接地端子之间。...
Thursday, January 25, 2024
问题:按照反措要点的要求,220kV变电所信号系统的直流回路应()。...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:向中调申请代路时,各运行单位()向中调申请核实旁路保护的定值单号...
Saturday, September 17, 2022
问题:对于采用单相重合闸的220kV及以上线路接地保护(无论是零序电流...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:有一台发电机中性点为小电流接地系统,发电机额定电压为15.75k...
Saturday, September 17, 2022
Monday, September 12, 2022
问题:在高压变电所,有多种渠道将电磁干扰源和受干扰的二次回路和二次设备...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:并联电抗器磁化特性,壳式(空气心)电抗器超过1.5倍额定电压饱和...
Monday, September 12, 2022
问题:距离保护是通过测量被保护线路()和()的比值而动作的一种保护。...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:关于自耦变压器零序差动保护,以下说法正确的是()。...
Saturday, September 17, 2022
Thursday, September 15, 2022
Saturday, September 17, 2022