摘要
详细介绍了2005年西昌电业局管辖范围内500 kV二普线、500 kV普洪线输电线路4、7两个月内连续发生的4次典型雷击障碍的情况,对障碍原因进行了分析和探讨,归纳出在现场分析区分线路遭受何种雷击的一般原则,并就今后该线路的防雷研究重点提出了自己的看法。
This paper describes four typical lightning faults of the fraction in Xichang power supply bureau of 500kV Er - pu ＆Pu - hong Transmission Line during Apr. ＆Jul. 2005. It analyses and discusses the failure cause. It get a conclusion about the common principle to classify the fault type in site. And it gives viewpoint about lightning - protection research pivot of this fraction in the future.
出处
《四川电力技术》
2008年第B08期79-82,共4页
Sichuan Electric Power Technology
关键词
输电线路过电压
直击
绕击
陡度
transmission line over voltage
direct stroke
shielding failure
gradient
