摘要
为解决架空配电线路的雷击问题,从电弧抑制的基本条件入手,通过理论建模分析与实验相结合的方法,研究具有快速熄灭工频续流电弧能力的新型防雷保护间隙的特性。灭弧试验和MATLAB仿真均表明在高速气体的冲击下,间隙电弧能够被高速气流快速切断而熄灭。因此,可以大幅度减少雷击跳闸率。
To solve the problem of lightning overhead distribution line, based on the basic conditions for arc suppression, the characteristics of new lighting through theory model and experiments, protection gap with rapid quenching frequency arc continued flow are studied. Arc interrupter testing and MATLAB simulation show that in the open-air environment and the impact of the high-speed gas, gap arc can be effectively cut off by high-speed airflow and extinguished. Therefore, the frequency of lightning trip rate can be significantly reduced.
出处
《现代电力》
2008年第5期14-19,共6页
Modern Electric Power
关键词
配电线路
防雷间隙
气流灭弧
仿真
雷击跳闸率
distribution line
gap lightning protection de-vice
gas blowing interrupter arc
simulation lightning
stroke trip-out rate
