输电线路绝缘子串新型并联间隙优化设计研究  被引量:6

Research on Optimal Design of New Type Parallel Gap of Insulator Strings for Transmission Lines

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作  者:周仿荣 邬锦波 余占清[2] 邹德旭 何金良[2] 马御棠 ZHOU Fangrong;WU Jinbo;YU Zhanqing;ZOU Dexu;HE Jinliang;MA Yutang(Electric Power Research Institute,Yunnan Power Grid Company Ltd.,Kunming 650217,China;State Key Lab.of Control and Simulation of Power Systems and Generation Equipment,Department of Electrical Engineering,Tsinghua University,Beijing 100084,China)

机构地区:[1]云南电网有限责任公司电力科学研究院,昆明650214 [2]清华大学电机系电力系统及发电设备控制和仿真国家重点实验室,北京100084

出  处:《高压电器》2018年第8期127-132,共6页High Voltage Apparatus

摘  要:并联间隙作为一种疏导型的防雷方式,存在结构简单、安装方便、经济性好等诸多优点。传统的并联间隙由于有较大的短接距离,会导致雷击跳闸率的升高,且电弧发展路径具有不确定性。文中提出一种基于电弧运动特性和表面场强分析的新型并联间隙设计思路,并进行了仿真分析和验证性试验,结果表明该方法是可行的。As a distributary type of lightning protection,parallel gaps have simple structure,easy installation,good economy,and many other advantages. The traditional parallel gap due to the large short distance,can lead to lightning trip-out rate increases,and the arc movement path is uncertain. A new design of parallel gap design based on the characteristics of arc movement and surface field strength is proposed,and the simulation analysis and verification test are carried out. The results show that the method is feasible.

关 键 词:电弧运动 并联间隙 表面电场 优化设计 

分 类 号:TM863[电气工程—高电压与绝缘技术]

 

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