实测雷电流波形反演雷电特征参数的研究  

Research on Measured Current Waveform Inverting Characteristic Parameter of Lightning

作　　者：彭珑[1,2] 赵媛 马鑫晟[1,2] 张超 胡应宏[1,2] 李雨 PENG Long;ZHAO Yuan;MA Xingsheng;ZHANG Chao;HU Yinghong;LI Yu(North China Electric Power Research Institute Co.,Ltd.,Beijing 100045,China;Electric Power Research Institute,Jibei Electric Power Company Limited,Beijing 100045,China)

机构地区：[1]华北电力科学研究院有限责任公司,北京100045 [2]国网冀北电力有限公司电力科学研究院,北京100045

出　　处：《电瓷避雷器》2019年第5期45-49,共5页Insulators and Surge Arresters

摘　　要：安装在500 kV运行线路上的雷电流全波形在线监测装置,获得了一次击于输电线路上的有效雷电流波形。对比于雷电定位系统的查询结果,该有效波形在时间、空间、幅值上与之基本一致。通过MATLAB软件处理采集到的有效波形,并与雷电定位系统数据对比。借助电磁暂态仿真程序PSCAD,对雷击位置、雷电流幅值及波形特征进行反演,得到了有关雷电流的特征参数,如雷电流峰值、波前时间、半波时间等,从而实现了雷击位置的定位与雷电流的复现,并为雷电流仿真模型的修正提供了基础数据。The online monitoring device of lightning current is installed on the 500 kV transmission line,and an effective lightning current waveform striking the transmission line has been obtained.Comparing the query results of lightning location system,the effective waveform is consistent with results in time,space,and the amplitude.Deal with the effective waveform through MATLAB software,and comparison with the results of lightning location system.With the help of transient simulation program PSCAD,inversing the lightning location,current amplitude and waveform characteristics,obtained the characteristics parameters of lightning current,such as peak of lightning current,front time,half wave time etc,it realized the reappearance and location of lightning current,providing the basic data of revising lightning current simulation model.

关 键 词：输电线路 雷电流 特征参数 雷击位置 波形反演 

分 类 号：TM7[电气工程—电力系统及自动化]