220 kV输电线路综合防雷技术分析

Analysis of Comprehensive Lightning Protection Technology for 220 kV Transmission Lines

重点探析了雷电对220 kV输电线路的危害,论述了常用的综合防雷技术,并提出了对220 kV输电线路综合防雷技术的优化策略,旨在增强输电线路运行的安全性、稳定性与可靠性,减少停电事故,规避输电线路的损失风险。采用安装避雷装置、对接地电阻的处理、增强绝缘子串的材料性能以及控制避雷线的保护角等技术方法,有效避免了雷击事故的发生,减小了雷击对输电线路的影响。

This article focuses on the harm of lightning to 220 kV transmission lines,discusses commonly used comprehensive lightning protection technologies,and proposes optimization strategies for comprehensive lightning protection technologies for 220 kV transmission lines,aiming to enhance the safety,stability,and reliability of transmission line operation,reduce power outage accidents,and avoid the risk of loss of transmission lines.Case study,comparative analysis,and experimental methods were used for the study.By adopting technical methods such as installing lightning protection devices,handling grounding resistance,enhancing the material performance of insulator strings,and controlling the protection angle of lightning wires,lightning accidents have been effectively avoided and the impact of lightning strikes on transmission lines has been reduced.