超声波局部放电检测在GIS自由颗粒缺陷检测中的应用  

Application of ultrasonic partial discharge detection for the free particle of GIS

作　　者：马飞越[1] 刘威峰[1] 李奇超 周秀[1] 田禄[1] 何宁辉[1] MA Feiyue LIU Weifeng LI Qichao ZHOU Xiu TIAN Lu HE Ninghui(Power Research Institute of State Grid Ningxia Power Co., Yinchuan Ningxia 750011, China)

机构地区：[1]国网宁夏电力公司电力科学研究院,宁夏银川750011

出　　处：《宁夏电力》2016年第5期44-48,共5页Ningxia Electric Power

摘　　要：气体绝缘金属封闭开关(gas insulated switchgear,GIS)设备内部自由颗粒缺陷对GIS设备安全稳定运行构成较大危害,通过对GIS自由颗粒特性进行分析,提出采用超声波局部放电检测技术检测GIS中自由颗粒缺陷的方法。应用结果表明:超声波局部放电检测能有效检测出GIS设备内部自由颗粒缺陷,提前发现潜伏性缺陷,保障设备安全运行。The free particle defection inside gas insulated switchgear （GIS）harm safe and steady operation of GIS equipment. By analyzing the characteristic of free particle in GIS, puts forward the method to detect free particle defection in GIS using ultrasonic partial discharge detection technology. The application result shows that ultrasonic partial discharge detection technology can effectively find out free particle potential defection inside GIS equipment, ensure the safe operation of GIS equipment.

关 键 词：GIS 自由颗粒 超声波 局部放电 

分 类 号：TM931[电气工程—电力电子与电力传动]