基于多种局部放电带电检测技术对GIS设备内部放电缺陷的综合诊断与分析  

Comprehensive Diagnosis and Analysis of Internal Discharge Defects in GIS Equipment Based on Multiple Partial Discharge Detection Technologies

作　　者：尹泰 刘航 魏钢 邓旭东 曹政钦 YIN Tai;LIU Hang;WEI Gang;DENG Xudong;CAO Zhengqin(Chongqing Science and Technology Institute,Chongqing 401331,China;State Grid Chongqing Electric Power Company Maintenance Branch,Chongqing 404100,China)

机构地区：[1]重庆科技学院,重庆401331 [2]国网重庆市电力公司检修分公司,重庆404100

出　　处：《电工技术》2021年第3期106-108,111,共4页Electric Engineering

摘　　要：针对某变电站气体绝缘封闭组合电器GIS的一起局部放电缺陷,采用特高频、超声波局部放电带电检测技术,结合绝缘气体成分进行综合诊断分析,确定局部放电源类型并成功运用声-电联合法精确定位局部放电源位置。通过解体检查,确认了检测技术的有效性及可操作性,同时验证了综合检测诊断方法的精确性。To a partial discharge defect of a Gas-insulated Metal-enclosed Switchgear(GIS)equipment in a substation,using UHF and ultrasonic partial discharge live detection technology,combined with the insulation gas components for comprehensive diagnostic analysis,the type of power supply for partial discharge was determined and the position of the power supply was accurately positioned using the combined method of acoustic-electric.The validity and operability of the detection of the detection technology were confirmed by the disintegrating inspection,and the accuracy of the comprehensive detection and diagnosis method was verified.

关 键 词：带电检测 GIS 局部放电 特高频 超声波 

分 类 号：TM595[电气工程—电器]