Partial Discharge Behavior of Potential Green Alternative Nanomodified Pongamia Oil for Transformer

IF 2.9 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Dielectrics and Electrical Insulation Pub Date : 2024-12-24 DOI:10.1109/TDEI.2024.3522216

R. Madavan;M. Yamuna;Pawel Rozga

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Abstract

The potential utilization of Pongamia oil (PO)-based nanofluid (NF) as an insulating material for electrical purposes is examined in this study through an analysis of its partial discharge (PD) characteristics. The experiments involve testing modified with Fe3O4, TiO2, and ZnO nanoparticles (NPs) PO at varying mass fractions 0.1%, 0.2%, and 0.3%, utilizing different electrode configurations to generate PDs in the form of corona, internal, and surface discharges. The dependence of PD inception voltage (PDIV) on electrode geometry is investigated. In addition, phase-resolved PD (PRPD) pattern analysis under different conditions is carried out to gain insights into the real-time impact of element geometry on PD occurrences. With a focus on comprehending the effect of the nanofiller volume fraction in PO, the Weibull statistical technique is used to evaluate PD characteristic values such as scale and shape parameters, repetition rate, and skewness. The results of the experiments showed how significantly Fe3O4, TiO2, and ZnO NPs added to PO affect PD properties. It is noted from the experiments that the Fe3O4 NPs blended PO-based NFs recorded lesser PD activities than the TiO2 and ZnO NPs blended PO-based NFs.

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变压器用潜在绿色替代纳米改性油的局部放电行为

本研究通过对虾蛄油（PO）基纳米流体（NF）局部放电（PD）特性的分析，探讨了虾蛄油（PO）基纳米流体作为电气绝缘材料的潜在利用潜力。实验包括测试Fe3O4， TiO2和ZnO纳米颗粒（NPs） PO在不同质量分数0.1%，0.2%和0.3%下的改性，利用不同的电极配置产生电晕，内部和表面放电形式的pd。研究了局部放电起始电压（PDIV）与电极几何形状的关系。此外，还进行了不同条件下的相分辨PD （PRPD）模式分析，以深入了解元件几何形状对PD发生的实时影响。为了了解纳米填料体积分数对PO的影响，采用威布尔统计技术评估PD的特征值，如尺寸和形状参数、重复率和偏度。实验结果表明，在PO中添加Fe3O4、TiO2和ZnO纳米粒子对PD性能有显著影响。从实验中可以看出，Fe3O4 NPs混合po基NFs的PD活性低于TiO2和ZnO NPs混合po基NFs。

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

IEEE Transactions on Dielectrics and Electrical Insulation 工程技术-工程：电子与电气

CiteScore

6.00

自引率

22.60%

发文量

309

审稿时长

5.2 months

期刊介绍： Topics that are concerned with dielectric phenomena and measurements, with development and characterization of gaseous, vacuum, liquid and solid electrical insulating materials and systems; and with utilization of these materials in circuits and systems under condition of use.