一起主变重瓦斯保护误动作事件的处理与原因分析  

作　　者：胡磊 李想 王晓剑 何天磊 王志强 

机构地区：[1]中电华创电力技术研究有限公司,上海200086

出　　处：《科技创新与应用》2024年第34期150-153,共4页Technology Innovation and Application

摘　　要：某光伏电站发生一起主变重瓦斯保护动作跳闸事件,通过故障录波图分析、主变检查和试验等,确定本次事件是一起由于储油柜金属波纹管卡涩引起的重瓦斯保护误动作事件。该文详细分析事件处理过程及事件发生的根本原因,提出防范措施,避免类似事件重复发生。A tripping event occurred in a photovoltaic power station for heavy gas protection of the main transformer.Through fault recorder analysis,main transformer inspection and testing,it was determined that this event was a misoperation of heavy gas protection caused by the stuck metal bellows of the oil conservator.event The incident handling process and the root cause of the incident are analyzed in detail,and preventive measures are proposed to avoid the recurrence of similar incidents.

关 键 词：变压器 金属波纹储油柜 重瓦斯保护 防范措施 光伏电站 

分 类 号：TM411[电气工程—电器]