电力地下电缆分布式局部放电测量

Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation (Cat. No.02CH37316) Pub Date : 2002-04-07 DOI:10.1109/ELINSL.2002.995880

V. R. Garcia-Colon

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引用次数: 6

摘要

本文提出了一种多点局部放电测量方法，称为分布式局部放电测量(D-PDM)。这些D-PDM技术使用超宽带系统记录PD脉冲，由于高频信号快速衰减，该系统允许空间辨别，同时以传统的Q-F-N模式显示输出，以方便问题识别。应用D-PDM对70余条三相PILC线路的地下径向和网状配电网进行了正常运行评价。利用该技术确定了几个早期故障点，并建立了预测性维护计划。

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Distributed PD measurement on power underground cables

In this paper a multi point partial discharge (PD) measurement approach is presented and named as distributed PD measurement (D-PDM). These D-PDM technique records PD pulses using an ultra wide band system that allow spatial discrimination due to high frequency signals rapid decay while displaying the output in a traditional Q-F-N pattern to facilitate problem identification. D-PDM was applied to evaluate an underground radial and meshed distribution networks with over 70 three phase PILC circuits while in normal operation. Several incipient fault sites were located and a predictive maintenance program established using this technique.

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Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation (Cat. No.02CH37316)

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