桥式超导限流器与电力系统距离保护配合问题研究及算法改进  

Research of relationship between SFCL and distance relay of power system and the improvement of the algorithm of distance protection

作　　者：高强[1] 叶莺[1] 张志峰[1] 惠东[1] 肖立业[1] 

机构地区：[1]中国科学院电工研究所

出　　处：《继电器》2006年第14期7-10,14,共5页Relay

基　　金：国家自然科学基金资助项目(50225723)

摘　　要：随着对超导限流技术研究的不断深入,与电网匹配运行的问题被提上日程。针对桥式超导限流器与继电保护的配合问题进行研究,从理论上分析了桥式超导故障限流器对距离保护的影响;同时结合微机保护的特点,提出了一种从微机保护的算法中剔除投入超导限流器后所带来的影响的新算法。并通过EMTDC/PSCAD仿真,验证了该算法的有效性,从实际应用的角度提出了一种解决超导限流器与微机距离保护相配合的新思路。With deep research of SFCL, the matching problem between SFCL and relay protection in power system is to be solved. This paper theoretically analyzes the influence that bridge-type SFCL brings to the distance relay. And considering the characteristics of microcomputer-based protection, a new algorithm is proposed to eliminate the influence. EMTDC/PSCAD simulation shows that the algorithm is valid. It is a new idea to solve the matching problem between SFCL and distance relay protection.

关 键 词：距离保护 微机保护 高温超导限流器 

分 类 号：TM773[电气工程—电力系统及自动化] TM471