摘要
介绍保定供电公司超高压工区500kV输电线路故障跳闸情况,针对具体统计数据分析雷击跳闸的原因,提出降低杆塔接地电阻、减小避雷线保护角、增加线路外绝缘水平等防范措施,提高了500kV输电线路的防雷性能。
This paper introduces lightning outage of 500 kV transmission line in Baoding Power Supply Corporation high voltage area. Based on the statistical data,the paper analyzes the lightning fault outage causes,presents the measures from aspects of reducing pole earthing resistance,minishing lightning conductor protection angle,enhancing line outside insulation level,in order to improve the ability of preventing lightning.
出处
《河北电力技术》
2010年第2期24-27,共4页
Hebei Electric Power
关键词
输电线路
雷击
跳闸
防雷
transmission line
lightning fault
outage
lightning preventing
