挤包绝缘电缆状态监测技术综述

Overview of Condition Monitoring Technology for Extruded Insulated Cables

本文主要介绍了挤包绝缘电缆状态监测技术的现状,着重介绍和阐述了压痕模量测试、热降解活化能测试、介电频谱测试、凝胶含量测量和核磁共振法等14种电缆状态监测方法的优劣势和适用性,并分析了监测方法标准化的难点。最后,结合行业及监测方法的发展现状,展望了监测技术未来的发展方向(引用文献19篇)。

This article introduced the current status of extruded insulated cables condition monitoring. Specifically introduced the advantages, disadvantages and applicability of 14 cable condition monitoring methods for extruded insulated cables including indentation modulus test, thermal degradation activation energy test, dielectric spectrum test, gel content measurement and nuclear magnetic resonance method, and the difficulties of standardization of monitoring methods were analyzed. Finally, combined with the development status of the cable industry and specific monitoring methods, this article looks forward to the future development direction of monitoring technology(19 references cited).