断路器三相不一致保护应用研究  

Study on Three-phase Inconsistent Protection of the Circuit Breaker

作　　者：李海燕[1] 王旭红[1] 

机构地区：[1]长沙理工大学电气与信息工程学院,长沙410076

出　　处：《电力学报》2013年第4期290-293,共4页Journal of Electric Power

摘　　要：简要分析系统非全相运行时的危害,结合系统中发生的断路器三相不一致保护拒动和误动事件,综合比较五种常用的三相不一致保护优缺点;最后,提出相应的防范措施和改进方案,在现场实际运行中,验证了改进方法的合理性和可靠性。The harm of open-phase operation in power sys- tem is analyzed in this paper. The current three-phase inconsis- tent protection is matoperation and immovable in the power sys- tem, and the advantages and disadvantages of five kinds of com- monly used are compared comprehensively. Finally, preventive measures and improvement schemes are put forward, and the ra- tionality and reliability are verified in the practical running.

关 键 词：断路器 三相不一致 非全相运行 

分 类 号：TM561[电气工程—电器]