南方电网技术2011,Vol.5Issue(2):64-67,4.
架空输电线路防绕击避雷针接闪性能试验研究
Research of Flashover Characteristics of Lightning Rod Against Shielding Failure for Overhead Power Transmission Lines
摘要
Abstract
In order to study the lightning attracting performances of lightning rods with different structures and materials, and simulating the lightning strike from thundercloud to the grounding line of overhead transmission lines through the flashover from the thundercloud-simulating plate to the lightning rod against shielding failure, this paper counts the rate of flashovers, contrasts the flashover performances of lightning rods with different structures and materials.The simulations show that the flashover rate of acicular copper lightning rod is higher than that of the annular copper lightning rod, and thus the former one has better lightning attracting performance.The acicular copper lightning rod is similar with the acicular steel one in flashover performance, and they have the same lightning attracting effect.These results can be taken as reference to the research of the lightning strike simulation methods in laboratory and the measures against lightning shielding failure.关键词
避雷针/绕击/击距/雷云板/接闪率Key words
lightning rod/ shielding failure/ striking distance/ thundercloud simulative plate/ flashover rate分类
信息技术与安全科学引用本文复制引用
霍锋,陈勇..架空输电线路防绕击避雷针接闪性能试验研究[J].南方电网技术,2011,5(2):64-67,4.