特高频检测技术在开关柜局部放电诊断中的应用  

Application of UHF Detection Technology in Partial Discharge Diagnosis of Switchgears

作　　者：王小朋[1] 王艳华 牛丽丽 魏彬[1] 房克荣[3] 兰德刚[4] WANG Xiaopeng;WANG Yanhua;NIU Lili;WEI Bin;FANG Kerong;LAN Degang(State Grid Power Company of Tianjin Maintenance Company,Tianjin 300250,China;State Grid Power Company of Tianjin Chengdong,Tianjin 300250,China;State Grid Tianjin Training Center,Tianjin 300181,China;State Grid Tianjin Cable Company,Tianjin 300181,China)

机构地区：[1]国网天津市电力公司检修公司,天津300250 [2]国网天津城东供电公司,天津300250 [3]国网天津市电力公司培训中心,天津300181 [4]国网天津市电力公司电缆公司,天津300181

出　　处：《电工技术》2022年第21期161-163,168,共4页Electric Engineering

摘　　要：通过特高频检测诊断技术,成功定位了一起开关柜绝缘放电缺陷,结合停电耐压试验进行验证,证明了特高频检测技术在开关柜局部放电诊断中的有效性,且通过特高频及高速示波器可准确定位,并准确评估缺陷严重程度,实现精准检修。In this paper,an insulation discharge defect of switchgears is successfully located through UHF detection and diagnosis technology.Combined with withstand voltage test,it is proved that UHF detection technology is effective in partial discharge diagnosis of switchgears.The wave detector can accurately locate and accurately evaluate the severity of defects,so as to realize precise maintenance.

关 键 词：特高频 开关柜 局部放电 时差定位 

分 类 号：TM591.1[电气工程—电器]