基于特高频法气体绝缘全封闭组合电器局部放电在线监测技术应用分析  

Application Analysis on Partial Discharge On-line Monitoring Technology for Gas Insulated Metal Enclosed Switchgear Based on Ultra High Frequency Method

作　　者：李峰[1] 

机构地区：[1]广东电网公司电力科学研究院,广东广州510080

出　　处：《广东电力》2012年第12期95-99,共5页Guangdong Electric Power

摘　　要：为了掌握气体绝缘全封闭组合电器(gas-insulated metal-enclosed switchgear,GIS)设备的运行情况,有必要对其绝缘状态进行实时监测。结合广东省某变电站220 kV GIS内部缺陷的发现过程,介绍一个基于特高频法的GIS局部放电在线监测系统的检测原理、系统构成及其应用实例。应用结果表明,该系统能及时发现设备内部的放电缺陷,结合自带的专家数据库,可准确判断设备故障类型,为避免突发事故、合理安排检修计划提供决策依据。For mastering operation conditions of gas-insulated metal enclosed switchgear equipments, it is necessary to pro- ceed real time monitoring for insulated state. This paper introduces detecting principles, system constitution and application practice of GIS partial discharge on-line monitoring system based on ultra high frequency method by combining internal de- fect discovery of 220 kV GIS in one substation. The application result show that this system can discover discharge defects inside equipments in time and correctly judge fault types of equipments by combining its own professional data base which may provide decision basis for avoiding accidents and arranging repair schedule reasonablv.

关 键 词：特高频法 气体绝缘全封闭组合电器 局部放电 在线监测系统 应用分析 

分 类 号：TM835[电气工程—高电压与绝缘技术]