差异化防雷技术在青海电网输电线路中的应用  

Application of the Differentiated Lightning Protection Technology in the Power Transmission Lines in the Qinghai Power Grid

作　　者：沈宁[1] 周瑜[2] 刘敬之[2] 马志青[2] 马骥[2] 吴克胜[2] 杨洪易 

机构地区：[1]国网青海省电力公司,青海西宁810008 [2]国网青海省电力公司电力科学研究院,青海西宁810008

出　　处：《青海电力》2016年第3期35-37,共3页Qinghai Electric Power

摘　　要：根据塔形结构及接地、走廊地形地貌等参数确定线路雷电故障分布规律,从分析结果上逐基对青海地区330kV输电线路进行差异化防雷评估,并提出详细防雷改造方案,分析改造前后线路防雷性能变化情况。为今后青海地区防雷技术提供借鉴。Based on the lightning caused fault distribution over the power transmission lines derived according to the tower structure, grounding, the topography of the power transmission line passage and other parameters, this paper gives an assessment on the differentiated lightning protection for the 330 kV power transmission lines in the Qinghai and proposes a scheme to improve the lightning protection, finally analyzes the lightning protection performance before and after the improvement.

关 键 词：差异化防雷 输电线路 雷击闪络风险 

分 类 号：TM73[电气工程—电力系统及自动化]