利用超高频传感器定位电力变压器初放电

2019 International Conference on High Voltage Engineering and Technology (ICHVET) Pub Date : 2019-02-01 DOI:10.1109/ICHVET.2019.8724280

M. Chakravarthi, A. Giridhar, D. Sarma

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引用次数: 4

摘要

非侵入式超高频检测法已被公认为是监测电力变压器状态的成熟诊断工具。该方法具有良好的信噪比和较高的灵敏度，是电力变压器局部放电位置检测的最佳选择。局部放电源定位精度主要依赖于局部放电源的TDOA(到达时间差)和放置在变压器箱周围的单个四个超高频传感器或传感器阵列。利用实验得到的TDOA测量数据集，利用粒子群算法对PD源进行定位。

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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Localization of Incipient Discharge in Power Transformer Using UHF Sensor

Non-intrusive ultra high frequency detection method has been recognized as well established diagnostic tool for monitoring the condition of power transformers. This UHF method is considered as the best choice to sense the location of onsite partial discharges (PD's) in power transformer because of its good signal to noise ratio (SNR) and high sensitivity. The PD source location accuracy mainly rely on TDOA (Time differences of Arrival) of PD source and the individual four uhf sensors or sensor array placed around the transformer tank. The location of PD source is evaluated by using PSO algorithm with the set of TDOA measurements from the experiment.

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2019 International Conference on High Voltage Engineering and Technology (ICHVET)

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