一种提高中压配电网PT安全运行的实现策略

电压互感器是10kV、35kV配电网实现计量、保护、监控的关键设备,为保护电压互感器通常在高压侧安装高压熔断器,但高压熔断器频发,影响系统正常,通过切换运行线路、更换熔断器等方式处理降低系统稳定性和经济性。文章对引发高压熔断器熔断原因分析,提出了一种有效的解决该问题方案。

Potential transformer is the key equipment for measuring, protecting and monitoring in 10kV and 35kV distribution network. In order to protect voltage transformer, high-voltage fuses are usually installed on the high-voltage side. However, the frequent occurrence of high-voltage fuses affects the normal system. The stability and economy of the system are reduced by switching operation lines and replacing fuses. In this paper, the cause of high-voltage fuse fusing is analyzed, and an effective solution to this problem is proposed.