CAJ | 학술논문

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.
침대모110kV변전참110kV모선차동보호재선로발생련속고장과정중적오동행위,상세개소료사고경과,충분이용종해변전참현장수집도적포괄선로보호장치、모차보호장치이급고장록파장치적록파보고,대모차보호、선로보호적동작시서화고장과정중고장량파형특정진행상세분석,병제출상응적방범화정개조시,동시,작위동형전엄설비관리、운행관리인원삼고.
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.