排油注氮灭火装置防误动技术改造实践  

Technical Transformation of Preventing Misoperation of Oil Drainage Nitrogen Injection Fire Extinguishing Device

作　　者：潘志敏 黄兵 梁运华 刘卫东 刘功能 PAN Zhimin;HUANG Bing;LIANG Yunhua;LIU Weidong;LIU Gongneng(State Grid Hunan Electric Power Company Limited Maintenance Company,Changsha 410004,China;State Grid Hunan Electric Power Company Limited,Changsha 410004,China)

机构地区：[1]国网湖南省电力有限公司检修公司,湖南长沙410004 [2]国网湖南省电力有限公司,湖南长沙410004

出　　处：《湖南电力》2021年第1期44-47,共4页Hunan Electric Power

摘　　要：介绍排油注氮灭火装置工作原理,总结早期投运主变压器排油注氮灭火装置存在主变本体附件、消防柜、控制系统等方面的问题,分析这些问题可能导致的设备风险,并针对性提出改造治理的具体要求和实施方案。该方案已在湖南电网数十座220 kV/500 kV变电站的排油注氮灭火装置改造中得到广泛应用,提升了湖南电网的可靠性。This paper introduces the working principle of the oil discharge nitrogen injection fire extinguishing device,summarizes the problems existing in the oil discharge nitrogen injection fire extinguishing device of the main transformer in the early operation,such as the main transformer body accessories,fire fighting cabinet,control system,etc.,and puts forward the specific requirements and implementation plan of the transformation and governance.The scheme has been widely used in dozens of 220 kV/500 kV substations in Hunan power grid to improve the reliability.

关 键 词：排油注氮 灭火装置 变压器 改造治理 防误动 

分 类 号：TM741[电气工程—电力系统及自动化]