超高频局放测量技术在SF_6断路器绝缘缺陷检测中的应用  

Application of UHF Technology to GIS Insulation Defect Detection in 220 kV Huashan Substation

作　　者：徐敏骅[1] 吴晓春[1] 张浩[1] 

机构地区：[1]上海市电力公司超高压输变电公司,上海200063

出　　处：《华东电力》2012年第1期146-148,共3页East China Electric Power

摘　　要：介绍了超高频带电检测技术的基本原理、检测方法及检测仪器,结合220 kV华山站故障断路器的现场检测实例,介绍了超高频局放检测技术在断路器绝缘缺陷检测中的应用。通过现场检测分析、拆解维护及实验室局放实验,多种途径验证了超高频技术用于SF6断路器局放检测的可行性及准确性。This paper firstly presents the profile of UHF live detection technology including basic principles,method and instruments.Then the practical case of 220 kV Huashan substation highlights the application of UHF partial discharge detection technology in circuit breaker insulation defect detection.The feasibility and accuracy of UHF technology applied in SF6 circuit breaker PD detection has been verified by various means,such as on-site detection analysis,disassembly maintenance and partial discharge experiments in laboratory.

关 键 词：SF6断路器 局部放电 超高频 带电检测 

分 类 号：TM835[电气工程—高电压与绝缘技术]