利用超高频天线检测交联聚乙烯电缆中PD活动

2019 IEEE 4th International Conference on Condition Assessment Techniques in Electrical Systems (CATCON) Pub Date : 2019-11-01 DOI:10.1109/CATCON47128.2019.CN0016

Sourav Dhara, C. Koley, S. Chakravorti

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引用次数: 5

摘要

地下电缆广泛用于城市地区的电力传输，其中一些电缆非常老旧。由于老化，这些电缆绝缘经常遭受局部放电，逐渐降低绝缘的介电强度，最终导致完全失效。因此，对交联聚乙烯(XLPE)电缆绝缘内部的局部放电(PD)进行检测，有助于对其故障状态进行早期预警。本文报道了用标准电法和超高频法测量交联聚乙烯电缆内PD活度的初步结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Detection of PD Activities in XLPE Cable Using UHF Antennas

Underground cables are widely used in urban areas for electrical power transfer, and some of those cables are very old. These cable insulations are often subjected to partial discharges due to aging which, gradually degrades dielectric strength of the insulation and ultimately results in complete failure. Therefore, detection of partial discharge (PD) within the insulation of cross-linked polyethylene (XLPE) cable may help to get an early warning about the fault condition. This paper reports about initial results obtained from the measurement of PD activities within XLPE cable using standard electrical method and UHF method.

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2019 IEEE 4th International Conference on Condition Assessment Techniques in Electrical Systems (CATCON)

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