110kV线路距离保护装置的研制  

The Research of 110 kV Transmission Lines Distance Protection System

作　　者：孙会浩[1] 杜肖功[2] 宋晓东[3] 

机构地区：[1]中国石化胜利油田,山东东营257000 [2]积成电子股份有限公司,山东济南250001 [3]山东电力集团公司,山东济南250001

出　　处：《山东电力技术》2010年第6期42-45,共4页Shandong Electric Power

摘　　要：介绍一种基于数字信号处理器(DSP)的新型高压输电线路微机保护装置。它采用多CPU结构,以距离保护和零序保护为主保护,在软件方面应用多种智能化技术,提高了保护性能,详细介绍了保护的主要技术特点。动模测试结果表明,该装置整体性能优良,能够满足110 kV线路对距离保护的要求。A new high-voltage transmission-line microprocessor-based protection equipment is introduced in this article.The designation of this equipment is based on digital signal processor（DSP）.A multi-CPU structure is adapted,and distance protection and zero-sequence（direction） protection are used as the main protection.At the same time,a variety of intelligent technology is applied in terms of software application,which greatly increases its performance of protection.Besides,the principal technical characteristics are detailed.Large number of trials and dynamic-simulation-test results show that the overall performance of this equipment is as fine as to meet the distance protection requirements of 110 kV lines.

关 键 词：输电线路 距离保护 方向元件 负荷入侵 

分 类 号：TM726[电气工程—电力系统及自动化]