摘要
根据过电压理论和实际调研结果,分析了2002年辽宁电力系统220kV线路雷击跳闸频繁的原因,介绍了当今超高压线路防雷技术的发展,提出了今后线路防雷工作的重点、应遵循的思路和应注意的问题。
This paper analyzes the causes of constant trips by Lightning on 220 kV transmission lines in 2002 Liaoning ele ctric power system according to overvol tage theory and actual investigations.It introduces the latest development of Lig htning protection technology concerning EHV transmission lines.It has also point ed out focal points for future Lightning protection,the ideas to be followed and the problems to be observed.
出处
《东北电力技术》
2003年第6期1-3,43,共4页
Northeast Electric Power Technology
关键词
220KV线路
防雷
雷击跳闸
kV transmission lin es
Ligh tning protection
Lightning stroke trips
