高压电缆局部放电宽带高频脉冲电流检测技术与应用
Safety Health & Environment(2015)
Abstract
介绍了基于局部放电宽带高频脉冲电流检测的高压电缆绝缘诊断技术,并对高压电缆各种典型绝缘故障进行了实验建模,分析得出典型绝缘故障局放信号样本.在对某220 kV GIS电缆终端检测过程中,应用宽带高频脉冲电流法进行局部放电检测,通过对比信号样本,确认电缆内部存在局部放电现象.
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