双母线接线方式下断路器内部故障分析及送电方案研究

Analysis on Break Interior Fault under Double-bus Substation and Electricity Transmission Project Research

对双母线接线方式下断路器内部故障进行分析,提出利用保护信息、零起升压等判断故障点的方法,讨论送电过程中避免造成事故扩大的送电方案,指出事故处理过程中要注意一次设备与继电保护的配合关系,为电网调度值班员处理该类故障提供参考。

This paper analyzes the fault of breaker interior in a double-bus substation, introduces how to find the faulted spot using protection information, discusses how to avoid widening the accident in delivery, suggests that we should pay attention to the connection of equipment and relay pro tection during fault treatment electrie network.