基于暂态录波技术的线路故障在线监测系统在配网中的应用

Application of Line Fault On-Line Monitoring System Based on Transient Recording Technology in Distribution Network

在配电网系统中,短路故障和单相接地故障居多,特别是单相接地故障,故障指示器由于能够快速定位故障区域,在配电网中得到了广泛应用。论述了基于暂态录波技术的线路故障在线监测系统的组成、原理及在配电网中的应用情况,通过应用情况分析验证了该系统能够快速准确地定位出故障区域,缩短了故障处理的时间,提高了供电公司的管理水平及工作效率,保证了配电网的供电可靠性。

Short-circuit faults and especially single-phase earth faults are the frequent occurrences in power distribution network system.Fault indicator,able to quickly locate fault zone,has been widely applied in the distribution network.This paper discusses the line fault on-line monitoring system based on transient recording technology,in terms of its composition,principle and application in the power distribution network.The application analysis shows that this system can rapidly and accurately locate the fault zone,shorten the time of fault handling,improve the management level and work efficiency of power supply companies,and ensure the power supply reliability of distribution network.