基于故障行波方向的电缆-架空线混合线路自适应重合闸控制研究  

A study of self-adaptive reclosure control method for cable-overhead mixed lines based on traveling wave direction

作　　者：王毅[1] 陈晓红[1] 彭峰[2,3] 魏然[1] 曾祥君[2] 

机构地区：[1]山东电力集团分司济宁供电公司,山东济宁272000 [2]长沙理工大学智能电网运行与控制湖南省重点实验室,湖南长沙410004 [3]安徽绩溪抽水蓄能有限公司,安徽绩溪245300

出　　处：《电力科学与技术学报》2013年第3期96-101,共6页Journal of Electric Power Science And Technology

基　　金：国家自然科学基金(61233008;51207013);湖南省科技重大专项(2012FJ1003);湖南省高校产业化培育项目(12CY007)

摘　　要：提出一种基于故障行波方向的电缆-架空线混合线路自适应重合闸控制方法.通过在电缆与架空线连接点处安装行波传感器提取暂态电流行波方向信息,计算故障区段,如果故障在电缆上则断开重合闸出口压板,反之,则闭合重合闸出口压板.理论分析和仿真结果表明,该方法能识别混合线路连接点附近故障时的故障区段,无故障保护死区,可靠性高.A traveling wave direction based self-adaptive reclosure control method for cable-overhead mixed lines is proposed in this paper. The traveling wave transformer is installed on the connection point of overhead transmission lines and cable lines, and the transient current traveling wave signals with effective directional fault information can thus be measured to determine the faulted section. If the fault locates in the cable lines section, the reclosing devices are prohibited, otherwise, the reclosing devices should take action timely. The simulation results show that this method can realize the accurate fault section determination, which re-enables the once permitted reclosing function in mixed lines, and the fault occurred near the connection point can also be successfully identified with high reliability.

关 键 词：混合线路 行波方向 重合闸 

分 类 号：TM762[电气工程—电力系统及自动化]