电力变压器局部放电UHF监测技术研究  

Research on UHF Monitoring Technology of Partial Discharge in Power Transformer

作　　者：刘旭东[1] 郑文良[2] 李辉[3] 李琳琳 LIU Xudong;ZHENG Wenliang;LI Hui;LI Linlin(Yingkou Vocational and Technical College,Yingkou 115000,China;Shenyang Ligong University,Shenyang 110159,China;China Electric Power Research Institute,Wuhan 430074,China;Shenyang open university,Shenyang 110003,China)

机构地区：[1]营口职业技术学院,辽宁营口115000 [2]沈阳理工大学发展规划处,沈阳110159 [3]中国电力科学研究院,武汉430074 [4]沈阳开放大学,沈阳110003

出　　处：《沈阳理工大学学报》2021年第6期27-30,35,共5页Journal of Shenyang Ligong University

基　　金：国家自然科学基金项目(11472178)。

摘　　要：针对电力变压器绝缘状况监测手段,分析电力变压器局部放电检测方法,研究电力变压器局放超高频(UHF)监测智能电子设备(IED)检测校验技术,搭建电力变压器UHF监测IED检测校验平台,进行变压器局放故障模拟装置、电极模型、人造纳秒脉冲源等设备的研制。实验数据表明:通过开展局放量和幅值相关性研究与测试,完成电力变压器UHF监测IED校准测试,具备了电力变压器局放监测IED的检验检测能力。For the monitoring means of insulation condition of power transformer,the partial discharge detection methods of power transformer are analyzed,the detection and verification technology of intelligent electronic equipment(IED)for ultra-high frequency(UHF)monitoring of power transformer is studied,the detection and verification platform of IED for UHF monitoring of power transformer is built,and the simulation device of partial discharge in transformer fault,electrode model,artificial nanosecond pulse source and other equipment is developed.The experimental data shows that the calibration test of UHF partial discharge monitoring IED of power transformer is completed by carrying out the correlation research and test of discharge and amplitude and has the inspection and detection ability of partial discharge monitoring IED of power transformer.

关 键 词：变压器 局部放电 智能电子设备 检测校验 

分 类 号：TM561[电气工程—电器]