A Study on Simultaneous Measurement of Partial Discharge in Epoxy Resin Insulator using IMC and Rogowski Coil

Journal of Advanced Research in Applied Sciences and Engineering Technology Pub Date : 2024-04-03 DOI:10.37934/araset.42.2.104111

Norfadilah Rosle, M. Khairul, Hafizi Rohani, W. N. Auni, Wan Mohammad, Nor Asiah Muhamad, Mohamad Kamarol, Mohd Jamil

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Abstract

In practice, field measurement of partial discharge is easily suffered by interferences due to the noisy signal has been mixed with the resulting partial discharge signal. Therefore, the detection and measurement of PD are important to monitor the insulation life in high voltage (HV) power equipment. The paper presents the simultaneous measurement of partial discharge (PD) pulse parameters using the impedance matching circuit and the Rogowski coil sensor to study the features of partial discharge on the epoxy resin insulator. Two different thicknesses of samples were used to observe the PD pulse parameters with the voltage applied vary depending on the thickness of the sample to attain constant electric field intensity for both samples. The step response parameters resulted from the measurement can be used as a time domain features to discriminate various types of PD in HV power equipment. Thus, the PD can be observed clearly, maintenance can be performed, and the performance of the power system can be improved.

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使用 IMC 和罗戈夫斯基线圈同时测量环氧树脂绝缘体中局部放电的研究

在实际应用中，局部放电的现场测量很容易受到干扰，因为噪声信号已经混入了由此产生的局部放电信号中。因此，局部放电的检测和测量对于监控高压（HV）电力设备的绝缘寿命非常重要。本文介绍了利用阻抗匹配电路和罗戈夫斯基线圈传感器同时测量局部放电（PD）脉冲参数，以研究环氧树脂绝缘体局部放电的特征。在观察局部放电脉冲参数时，使用了两种不同厚度的样品，施加的电压随样品厚度的不同而变化，以达到两个样品的恒定电场强度。测量得出的阶跃响应参数可作为时域特征，用于区分高压电力设备中的各类 PD。因此，可以清楚地观察到 PD，进行维护，并提高电力系统的性能。

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

Journal of Advanced Research in Applied Sciences and Engineering Technology

CiteScore

1.30

自引率

0.00%

发文量