山西电网架空输电线路防雷水平分析及防治措施研究  

Analysis and Prevention Measures of Lightning Protection for Overhead Transmission Lines in Shanxi Power Grid

作　　者：刘宏[1] 王天正[1] 牛彪[2] 王志利[2] 

机构地区：[1]国网山西省电力公司电力科学研究院,太原030001 [2]国网山西省电力公司,太原030001

出　　处：《电力学报》2016年第4期340-344,360,共6页Journal of Electric Power

摘　　要：输电线路雷击故障一直是困扰电网安全稳定运行的重要影响因素。2015年,山西电网遭受雷击跳闸62次,属于典型雷电活动频繁年,并从侧面充分考验了电网整体防雷能力。利用2015年山西电网雷击跳闸故障作为统计样本,重点对该地区雷击影响因素进行深入研究,列举了电压等级、地线地貌和塔型结构对线路本体防雷水平的影响程度。同时,从雷击故障性质角度出发,结合雷击跳闸数据对反击、绕击两种形式进行具体分析。然后,对山西电网在2015年防雷方面存在的问题进行总结,并有针对性地提出有效的防治措施,为后期防雷改造提供有效参考借鉴作用。Lightning strike fault is an important factor that affects the safe and stable operation of power grid. In 2015, the Shanxi power grid have suffered lightning trip 62 times, which belongs to the typical lightning activities frequently, and from the side of the full test of the power grid overall lightning protection capacity. By the Shanxi power grid lightning trip out failures in 2015 as a statistical sample, focusing on factors of the area affected by lightning were in-depth study, cited the influence of body line lightning protection level voltage grade and ground landscape and the tower type structure. At the same time, from the point of view of the nature of lightning strike, combined with the lightning trip data, the two forms of attack and shielding are analyzed concretely. Then, the Shanxi power grid in 2015 lightning protection aspects of the problems are summarized, and targeted to put forward effective prevention and control meas- ures for the latter to provide an effective reference for lightning protection.

关 键 词：输电线路 防雷 数据统计 防治措施 

分 类 号：TM862[电气工程—高电压与绝缘技术]