超(特)高压输电线路耐雷性能计算方法综述

针对超(特)高压输电线路的反击耐雷性能、绕击耐雷性能特点,比较分析了采用规程法、行波法、蒙特卡洛法、故障树法、电磁暂态程序(electro-magnetic transient program,EMTP)法来计算反击耐雷水平的具体过程、优缺点,以及采用规程法、电气几何模型法、改进电气几何模型法、输电线路雷电绕击的先导发展模型法、输电线路绕击概率模型法来计算绕击耐雷水平的具体过程、优缺点,并提出今后超(特)高压输电线路耐雷性能的研究工作应放在雷击线路的传播过程和机理上,寻找更合理的计算模型和方法。

Review of Lightning Performance Calculation Methods for EHV /UHV Transmission Lines

According to the back striking lightning performance and the shielding failure lightning performance of EHV /UHV transmission lines,this paper compares and analyzes the back striking performance calculation process,advantages and disadvantages of order method,traveling wave method,Monte Carlo method,fault tree analysis,electro-magnetic transient program（EMTP） method,as well as the shielding failure performance calculation process,advantages and disadvantages of order method,electrical geometric modeling,improved electrical geometric modeling,pilot development modeling of shielding failure,and shielding failure probability model method.It is proposed that the research on lightning performance of EHV /UHV transmission lines in the future should focus on the propagation process and mechanism of lightning-hit lines to find more rational calculation model and method.