一起外线路故障引起发电机跳闸事件原因分析  

作　　者：赵祖光 

机构地区：[1]国能(惠州)热电有限责任公司,广东惠州516082

出　　处：《科技创新与应用》2024年第28期143-148,共6页Technology Innovation and Application

摘　　要：以一起某电厂110kV外线路接地故障引起的全厂发电机跳闸事件为例,分别从保护装置动作记录、波形回放、理论分析等方面深入分析该次跳闸事件的原因以及暴露出来的问题,并根据某电厂系统运行实际情况制定相应的防范措施,为分析、防范此类跳闸事件提供参考。Taking a plant generator tripping event caused by a ground fault on an external 110 kV line in a power plant as an example,the causes of this tripping event and the exposed problems are analyzed in depth from aspects such as protection device action recording,waveform playback,and theoretical analysis.Correspondent waterlogging preventive measures are formulated based on the actual operation conditions of a power plant system to provide reference for analyzing and preventing such tripping events.

关 键 词：线路故障 波形回放 过激磁 差动保护 发电机跳闸 孤岛运行 防范措施 

分 类 号：TM412[电气工程—电器]