常见的电力电缆状态在线监测方法综述

Review of Common On-line Monitoring Methods for Power Cable Conditions

电力电缆的在线监测项目包括绝缘电阻、介质损耗、局部放电、接地电流和温度等参数。对国内外现有电力电缆绝缘及温度在线监测方法进行介绍,分析其优缺点,对其发展趋势进行了预测。

On-line monitoring items of power cables include insulation resistance, dielectric loss, partial discharge, grounding current and temperature and so on. The passage introduces existing on-line monitoring methods of power cable insulation and temperature at home and abroad, analyses the advantages and disadvantages of these methods, predicts the development trend of them.