行波法在高压输电线路故障定位检测中的应用  

Application of Traveling Wave Method in Fault Location and Detection of High Voltage Transmission Line

作　　者：柏亭潇 张斌 董洪智 杨海龙 BAI Tingxiao;ZHANG Bin;DONG Hongzhi;YANG Hailong(Gannan Power Supply Company of State Grid Gansu Electric Power Company,Hezuo 747000,China)

机构地区：[1]国网甘肃省电力公司甘南供电公司,甘肃合作747000

出　　处：《电工技术》2020年第20期46-47,49,共3页Electric Engineering

摘　　要：高压输电线路多应用于长距离输电工程中,因此快速定位故障点对保证电力供应稳定可靠性意义重大。文章分析了高压输电线路常见故障类型及检测方法,经过综合对比确定了行波法的优越性,介绍了单、双端行波法的原理,以及双端行波法的具体应用,为高压输电线路故障点定位工作提供参考。High voltage transmission lines are often used in long-distance transmission projects,so fast fault location is of great significance to ensure the stability and reliability of power supply.The common fault types and detection methods of high-voltage transmission line were analyzed,and the advantages of traveling wave method through comprehensive comparison were determined.The principle of single terminal and double terminal traveling wave method,as well as the specific application of double terminal traveling wave method were introduced,which provided reference for fault location of high-voltage transmission line in the future.

关 键 词：高压输电线路 双端行波法 小波变换 定位 

分 类 号：TM755[电气工程—电力系统及自动化]