WANG Feng, ZENG Yu-jie, ZENG Peng, et al. Application of differentiated lightning protection technology in Hunan power grid[J]. 2015, 35(1): 34-38+59.DOI:
差异化防雷技术在湖南电网的应用
摘要
本文结合湖南雷电定位系统2006—2010年共计299万次地闪记录
研究了典型地区雷电活动特征
综合历史雷击故障数据
确定了湖南电网地闪密度分级标准、雷害风险评估指标体系
并完成了电网地闪密度分布图、雷害风险分布图的绘制。结果表明
雷区分布图与雷击跳闸具有良好的线性相关性
可有效指导电网差异化防雷工作的开展
提高电网运行可靠性。
Abstract
In this paper
2. 99 million flash records of Hunan lightning location system from 2006 to 2010 is analyzed
the characteristics of a typical regional lightning activity is studied
and the lighting disaster risk classification and assessment standards of Hunan power grid are determined. The drawing of flash density distribution map and lighting hazard map for Hunan power network has been completed. The results show that the power grid lightning distribution is linearly correlated with historical lightning faults
which can effectively guide the differentiated lightning protection work
to improve the operation reliability of power grid.