基于电压行波原理故障测距的相关问题研究  

Study on Issues Related of Fault Location Based on Voltage Travelingwave Principle

作　　者：孟荣[1] 徐红元[1] 渠红涛[1] 

机构地区：[1]河北省电力公司超高压输变电分公司,石家庄050071

出　　处：《电气技术》2011年第12期15-16,共2页Electrical Engineering

摘　　要：本文首先对基于电流行波和电压行波原理的故障测距进行了比较,接下来着重论证了提取电容式电压互感器(CVT)二次电压行波进行故障测距的可行性,并对CVT的行波传变能力进行了仿真分析,提出了小波变换和高速数据采集是保证电压行波故障测距准确性的两个重要方法。最后介绍了基于电压行波原理故障测距的应用情况及发展前景。The paper makes a comparison of fault location based on current travelingwave principle and voltage travelingwave principle firstly.And then it demonstrate the feasibility of fault location based on CVT secondary voltage travellingwave.The capability of CVT traveling wave transmission is simulated and analyzed.It Puts forward that wavelet transformation and high speed data acquisition are two two important ways for accuracy of voltage travelingwave fault location.The applications and development prospects of voltage travelingwave fault location are introduced finally.

关 键 词：行波故障测距 电流行波 电压行波 电容式电压互感器 小波变换 高速数据采集 

分 类 号：TM755[电气工程—电力系统及自动化]