基于年漏气率的SF6气体密度在线监测方法  

Online Monitoring Method for SF6Gas Density Based on Annual Leak Rate

作　　者：赵宏飞 单哲 吴彬 王鹏飞 仲金龙 ZHAO Hongfei;SHAN Zhe;WU Bin;WANG Pengfei;ZHONG Jinlong(State Grid Maintenance Branch Company,Jiangsu Electric Power Co.,Ltd.,Nanjing 211102,Jiangsu Province,China)

机构地区：[1]江苏省电力有限公司检修分公司,江苏南京211102

出　　处：《电力与能源》2020年第5期591-593,622,共4页Power & Energy

摘　　要：SF6气体作为GIS中的灭弧和绝缘介质,其绝缘和灭弧性能的高低取决于SF6气体密度大小。介绍了SF6气体密度在线监视系统的应用方式,分析了压力和密度测量型变送器的优缺点。提出了一种基于年漏气率的SF6气体密度在线监测方式,该种方法可以达到快速、简便、高效、直观和准确地监视SF6气体泄漏情况的目的。As the arc extinguishing and insulating medium in GIS,the insulation and arc extinguishing performance of SF6gas depend on the SF6gas density.This paper firstly introduces the application of SF6gas density online monitoring system.The advantages and disadvantages of pressure measurement transmitter and density measurement transmitter are analyzed.Finally,an online monitoring method of SF6gas density based on annual leak rate is proposed.This method can achieve the purpose of rapid,simple,efficient,intuitive and accurate monitoring of SF6gas leakage.

关 键 词：GIS SF6气体密度表 年漏气率 在线监测 特高压变电站 

分 类 号：TM595[电气工程—电器]