故障方向行波的波形特征研究  

Study on Waveform Characteristics of Fault Directional Travelling-waves

作　　者：陈国松 张鹏飞 CHEN Guosong;ZHANG Pengfei(State Grid Zhejiang Ningbo Yinzhou District Power Supply Co.,Ltd.,Ningbo 315100,China)

机构地区：[1]国网浙江宁波市鄞州区供电有限公司,浙江宁波315100

出　　处：《电工技术》2021年第22期110-113,共4页Electric Engineering

摘　　要：阐述了暂态信号包含的故障方向信息,深入研究了故障方向行波(前行波和反行波)的波形特征,分析了影响前行波、反行波时域波形的关键因素,为利用前行波、反行波的时域波形特征构建超高速暂态量方向元件提供了理论依据。The fault direction information included in transient signal is introduced.The waveform characteristics of fault directional traveling-waves are studied in depth.The key factors which influence on the time-domain waveforms of forward and backward traveling-waves are analyzed,which provides a theoretical basis for constructing ultra-high speed transient directional components by using the time-domain waveform characteristics of forward and backward traveling waves.

关 键 词：方向行波 暂态保护 方向元件 波形特征 

分 类 号：TM77[电气工程—电力系统及自动化]