高压直流输电线路故障定位研究综述  

A review of fault location methods in HVDC transmission lines

作　　者：雷朝煜 郝良收 戴甲水 张镭[1] 王轩 崔春艳 亓金成 汤晓君[4] LEI Zhaoyu;HAO Liangshou;DAI Jiashui;ZHANG Lei;WANG Xuan;CUI Chunyan;QI Jincheng;TANG Xiaojun(China Southern Power Grid Co.,Ltd.Tianshengqiao Bureau of EHV Transmission Company,Xingyi 562400,China;NARI Group Corporation(State Grid Electric Power Research Institute),Nanjing 211106,China;Beijing DC Transmission and Distribution Engineering Technology Research Center(China-EPRI Electrical Engineering Co.,Ltd.,)Beijing 102200,China;School of Electrical Engineering,Xi’an Jiaotong University,Xi’an 710049,China)

机构地区：[1]中国南方电网超高压输电公司天生桥局,贵州兴义562400 [2]南瑞集团(国网电力科学研究院)有限公司,江苏南京211106 [3]北京市直流输配电工程技术研究中心(中电普瑞电力工程有限公司),北京102200 [4]西安交通大学电气工程学院,陕西西安710049

出　　处：《电力系统保护与控制》2022年第11期178-187,共10页Power System Protection and Control

基　　金：国家重点研发计划项目资助(2018YFB0904700)。

摘　　要：高压直流输电是我国的重点发展方向之一。快速、准确的高压直流输电线路故障定位对保障高压直流系统运行可靠性、减少停运时间具有重要意义。对目前应用于高压直流输电线路以及柔性直流配电网故障定位的主要技术,包括行波测距法、固有频率法、故障分析法和非精确同步测距法,进行了详细的分析和综述。探讨了不同故障定位技术在高压直流输电线路故障定位应用中的优缺点。结合传感器技术、计算机技术与人工智能技术的发展趋势,对高压直流输电线路故障定位技术的未来发展进行了展望。该研究给高压直流线路故障定位方法的研究者提供了良好的参考。High voltage direct current(HVDC)power transmission is one of the key development directions in China.Fast and accurate fault positioning of the HVDC transmission line is of great significance in ensuring operational reliability of the HVDC system and reduce shutdown time.The main technologies for fault positioning of an HVDC transmission line and flexible DC grid,including wave distance ranging,inherent frequency,fault analysis and the non-synchronous fault location method,are introduced and analyzed.The advantages and disadvantages of different fault positioning technologies are discussed.Finally,the future development of HVDC transmission lines is discussed by combining with the development trend of sensor,computer and artificial intelligence technology.This paper should provide a good reference for researchers working on fault positioning methods for HVDC transmission lines.

关 键 词：高压直流输电线路 故障定位 柔性直流配电网 固有频率法 故障分析法 

分 类 号：TM75[电气工程—电力系统及自动化]