10kV交联电缆绝缘状态检测及综合诊断试验的应用  

An Application of Insulation Status Detection and Comprehensive Diagnostic Tests Used in 10 kV XLPE Power Cables

作　　者：张耀东[1] 杨帆[2] 苏勇[3] 张平[3] 

机构地区：[1]国网湖北省电力公司电力科学研究院,湖北武汉430077 [2]国家电网公司电气设备现场试验技术重点实验室,湖北武汉430077 [3]国网湖北省电力公司武汉供电公司,湖北武汉430074

出　　处：《湖北电力》2013年第7期23-25,45,共4页Hubei Electric Power

摘　　要：文章采用阻尼振荡波(OWTS)测试技术与超低频(VLF-Tan Delta)测试技术检测10kV交联电缆,对电缆局部放电点进行定位,对其运行状态作出准确评价与诊断,并在消除缺陷后复测,对消缺效果的评估发挥了积极作用,显著提高了电缆绝缘缺陷的有效检测和运行状态的准确评价。In this paper,damped OWTS and ULF-TanDelta technologies are used in the detection of 10kV XLPE power cables for locating partial discharge and making accurate evaluation and diagnosis of the power cables.With these technologies,retests are given after removing the defects,which plays an important role in the assessment of removing effect,and significantly improve the effective detection of insulation defects of the power cables and enhance the accurate evaluation of the operational status.

关 键 词：交联电缆 状态评价 超低频 阻尼振荡波 

分 类 号：TM855.2[电气工程—高电压与绝缘技术]