一次母差保护装置的事故分析及改进措施  

The strokes faults analysis and improving measures for a bus protection device

作　　者：冀红宙 李丽 

机构地区：[1]河南省烟草职工培训中心,河南许昌461000 [2]周口市技工学校,河南周口466000

出　　处：《周口师范学院学报》2015年第2期62-65,共4页Journal of Zhoukou Normal University

摘　　要：针对某110kV变电站110kV母线差动保护在线路发生连续故障过程中的误动行为,详细介绍了事故经过,充分利用从该变电站现场收集到的包括线路保护装置、母差保护装置以及故障录波装置的录波报告,对母差保护、线路保护的动作时序和故障过程中故障量波形特征进行详细分析,并提出相应的防范和整改措施,同时,作为同型电厂设备管理、运行管理人员参考.According to the malfunction of continuous malfunction which occurred in 110 kV bus protection of one 110 kV transformer substation,the information including line protection devices＇ recording report,bus protection devices＇ recording report and malfunction analysis devices＇ recording report,is gathered from the substation and adequately used to analyze the time-sequence of bus protection,line protection,malfunction processing and malfunction wave form characteristics.The primary equipment and secondary equipment are also inspected carefully after the malfunction.The relevant prevention measures and solutions are presented,and suggestions for construction department,running department and maintenance department are made in the paper.

关 键 词：母差保护 事故 改进措施 

分 类 号：TM433[电气工程—电器]