±500kV直流输电线路避雷器防雷性能研究  

Research on the lightning protection performance of line arresters with ±500 kV DC transmission line

作　　者：李智[1] 吴凡[1] 王艺霖[1] 

机构地区：[1]东北电力大学电气工程学院,吉林吉林132012

出　　处：《黑龙江电力》2015年第5期410-413,共4页Heilongjiang Electric Power

摘　　要：为研究直流输电线路防雷保护措施,以蒙东伊穆±500 k V直流输电线路为背景,采用电磁暂态软件ATP-EMTP分析±500 k V直流输电线的反击耐雷特性,采用改进电气几何模型分析±500 k V直流输电线的绕击耐雷特性。计算了线路避雷器能够满足耐受的放电电流和最大吸收能量,同时研究了线路避雷器对±500 k V直流输电线的保护效果。In order to study the lightning protection methods for dc transmission line,based on the background of Meng Dong Yimu ± 500 k V DC transmission line,this paper adopted the electromagnetic transient analysis software ATP-EMTP to analyze the counterattack lightning withstand level,and used EGM to analyze counterattack around lightning withstand level,calculated the discharge current and the maximum energy absorption that the line arresters can withstand,and studied the protection effect of line arresters on ± 500 k V DC transmission line.

关 键 词：EMTP 电气几何模型 耐雷性能 避雷器 

分 类 号：TM863[电气工程—高电压与绝缘技术]