全绝缘管母线局部放电的检测与分析诊断  

Detecting and Diagnosis of Partial Discharge in a Fully Insulated Pipe Type Bus Bar

作　　者：郑云海[1] 吴奇宝[1] 何华琴[1] 王门鸿[1] 

机构地区：[1]泉州电业局,福建泉州362000

出　　处：《绝缘材料》2010年第4期63-66,共4页Insulating Materials

摘　　要：介绍了全绝缘管型母线的绝缘结构和特点以及局部放电在线检测的两种方法:超声波检测法、超高频检测法。以泉州局某变电站#1主变35 kV侧全绝缘管型铜母线中间接头的局放在线检测为例,重点介绍了上述两种方法的综合运用,对测试结果进行分析,判断可能存在的故障并对其进行定位,通过解体处理,确认了分析诊断结果的准确性。The insulation structure of fully insulated pipe type bus bars,its potential faults and two on-line measurement methods of partial discharge,ultrasonic detection method and UHF-detection method were presented.A comprehensive use of these two methods for detecting the partial discharge in a connector of a 35 kV fully insulated pipe type bus bar was stated.Subsequent fault identification and locating process proves the accuracy of our detecting and diagnosis results.

关 键 词：全绝缘管母线 局部放电 在线检测 超声波检测法 超高频检测法 

分 类 号：TM645.22[电气工程—电力系统及自动化] TM835.4