交联聚乙烯电力电缆的绝缘在线检测

ON-LINE INSULATION MONITORING FOR CROSS-LINKED POLYETHYLENE POWER CABLE

为了保证XLPE电缆的可靠运行,在线检测电缆绝缘意义重大。笔者综述了XLPE电缆最常用的3种检测方法,分析了每种检测方法的优点和实际应用中存在的问题,并介绍了国外XLPE电缆在线检测方面的最新动态。

In order to ensure the safety of cross-linked polyethylene power cable in service,i t is of vital importance to carry out on-line monitoring for its insulation.The paper summarizes three commonly used methods,analyzes the advantages and some pr actical problems of each.The recent developments in the area are presented too.