电网技术Issue(11):3257-3261,5.DOI:10.13335/j.1000-3673.pst.2014.11.047
雷击输电线路时杆塔各处雷电流监测仿真分析
Simulation Analysis on Lightning Currents Monitored Throughout Transmission Tower During Transmission Line Being Lightning Struck
摘要
Abstract
A PSCAD/EMTDC based transmission tower model has been constructed. According to the actual situation of lightning-struck transmission lines and considering three kinds of lightning strike conditions, i.e., the top of the tower, the middle of the span and the conductor were lightning struck, the lightning current distribution throughout the transmission line and the tower was analyzed, and the analysis results could provide theoretical basis for installing lightning current monitoring coils on transmission towers. Rational configuration of lightning current monitoring coils makes the monitoring of the thunderbolt, which strikes onto local tower, the middle of the span and several adjacent towers, possible, thus the number of the installed monitoring devices can be reduced and lightning current waveforms can be acquired as more as possible. Synthetically considering the inversion of the collected lightning current waveforms, the installation positions of lightning current monitoring coils are located eventually.关键词
输电线路杆塔/雷击电流分布/雷电流测量线圈/雷电波形反演Key words
transmission tower/lightning current distribution/lightning current monitoring coil/inversion of lightning waveform分类
信息技术与安全科学引用本文复制引用
彭珑,赵媛,端木林楠,李雨,陈华..雷击输电线路时杆塔各处雷电流监测仿真分析[J].电网技术,2014,(11):3257-3261,5.基金项目
国家电网公司总部管控项目“雷电特征参数监测与分析研究(一期)”。Project Managed and Controlled by Science and Technology Foundation of SGCC(“the Characteristic Parameters of Monitoring and Analysis of Lightning(First Stage)”) (一期)