A Novel Built in Metal Foil Sensor for PD Detection of HV Cables

2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2019-12-01 DOI:10.1109/APPEEC45492.2019.8994384

Hongdong Lin, Yijiang Wu, Ganjun Wang, Wenze Li, Xiaosheng Peng, Jinshu Li, A. A. Bhatti

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引用次数: 1

Abstract

Partial Discharge (PD) signal is an important parameter reflecting the insulation condition of High Voltage(HV) cables. Meanwhile, PD detection and monitoring is an effective way to ensure the safe and stable operation of the HV cables. Due to the limited bandwidth and the poor anti-interference ability of the current PD sensors, there are a lot of interference signals in the detected PD signals. To overcome the challenge, a novel built-in metal foil sensor for PD detection of HV cables is presented in the paper. The influencing factors of the PD detecting sensitivity, which are the single electrode and the two electrodes, the size of the electrodes, the shape of the single electrode and the distance between the two electrodes, are evaluated. The experimental data is accumulated to determine the parameters of the metal foil sensor. Experimental results show that the built-in metal foil sensor has excellent efficiency in PD signal reception in both laboratory and experimental base, which is applicable for on-line PD detecting of HV cables.

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一种用于高压电缆局部放电检测的新型内置金属箔传感器

局部放电信号是反映高压电缆绝缘状况的重要参数。同时，局部放电检测与监测是保证高压电缆安全稳定运行的有效手段。由于目前的PD传感器带宽有限，抗干扰能力较差，在检测到的PD信号中存在大量的干扰信号。为了克服这一挑战，本文提出了一种新型的用于高压电缆局部放电检测的内置金属箔传感器。分析了单电极和双电极、电极尺寸、单电极形状和两电极间距对PD检测灵敏度的影响。通过实验数据的积累，确定了金属箔传感器的参数。实验结果表明，该内置金属箔传感器在实验室和实验基地均具有良好的PD信号接收效率，适用于高压电缆的PD在线检测。

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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来源期刊

2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)

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