超高压线路单端暂态量保护的研究现状与展望  

Present Status and Prospect of the Research on Non-unit Transient Based Protection for EHV Power Lines

作　　者：吴军基[1] 孔凡坊[1,2] 叶学勇[1] 李国锋[1] 陆朱卫[1] 

机构地区：[1]南京理工大学动力学院,南京210094 [2]温州市电力局,温州325000

出　　处：《电力系统及其自动化学报》2008年第6期88-95,共8页Proceedings of the CSU-EPSA

摘　　要：基于单端暂态量的超高压输电线路保护具有超高速动作、不受工频现象和TA保护的影响等特点。在总结单端暂态量保护发展历程的基础上,介绍了统一于"单端暂态量保护"这一框架下的各种保护元件,综述了核心元件(距离保护元件、边界保护元件)和辅助元件(启动元件、选相元件、雷电识别元件、刀闸防误动元件)的研究现状,展望了单端暂态量保护发展前景,并指出了今后尚待解决的关键问题和研究思路。The extra high voltage（EHV） transmission protection based on non-unit transient quantities has the advantages of ultra-high-speed action, and is not affected by power frequency phenomena and TA saturation. On the basis of summarizing the development course of the non-unit transient based protection, various protective elements unified the framework of＂ non-unit transient based protection＂ are introduced, and the present research situation of kernel elements such as distance protection element, boundary protection element and auxiliary elements such as elements for fast starting, phase selection,lighting identification and anti-disoperation of switch are surveyed, development prospects of non-unit transient based protection are looked ahead, and the future key issues to be resolved and research ideas are directed.

关 键 词：超高压输电线路 超高速 单端暂态量保护 距离保护元件 边界保护元件 

分 类 号：TM76[电气工程—电力系统及自动化]