开关柜内局部放电原因分析  

Analysis of the Partial Discharge in Switchgear

作　　者：魏彬[1] 孙彤 王欣[1] 王小朋[1] 董政 杜岳凡 王云龙[1] WEI Bin;SUN Tong;WANG Xin;WANG Xiaopeng;DONG Zheng;DU Yuefan;WANG Yunlong(State Grid Tianjin Electric Power Maintenance Company,Tianjin 300300,China;State Grid Tianjin Electric Power Company Comprehensive Service Center,Tianjin 300100,China)

机构地区：[1]国网天津市电力公司检修公司,天津300300 [2]国网天津市电力公司综合服务中心,天津300100

出　　处：《电工技术》2021年第22期86-88,共3页Electric Engineering

摘　　要：综合利用超声波法和特高频法对某开关柜套管放电缺陷进行分析并定位。应用特高频法发现开关柜放电信号后,结合超声波法和特高频时差法定位,分析确定放电原因并最终通过解体验证了检测结果。In this paper,the ultrasonic and UHF methods are used to analyze and locate the discharge defects in the switchgear.After using UHF method to find the discharge signal of switcher,combining with ultrasonic method and UHF time difference method to locate,the cause of discharge is analyzed and determined.Finally,the test results are verified by disassembly.

关 键 词：开关柜 局部放电 超声波法 特高频法 

分 类 号：TM855[电气工程—高电压与绝缘技术]