Improvement of the flashover threshold of TUK pressboard by using FeO3-based nanofluid of monoesters

IF 3.8 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IET Nanodielectrics Pub Date : 2023-11-13 DOI:10.1049/nde2.12070

Jean Lambert Jiosseu, Ghislain Mengata Mengounou, Emeric Tchamdjio Nkouetcha, Adolphe Moukengue Imano

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Abstract

This article deals with the improvement of the dielectric properties of TUK cellulose paper by impregnation. The experiment was carried out using a nanofluid based on vegetable oil esters and iron nanoparticles (FeO₃). The insulating liquids used are palm kernel oil methyl ester (PKOME) and castor oil methyl ester (COME). The evaluation of the improvement is based on the analysis of the flashover voltage of the creeping discharges produced on the immersed paper. The tests were carried out under a positive lightning impulse voltage and for two electrode configurations. The concentrations of nanoparticles used in the experiment are 0.10 wt.%, 0.15 wt.% and 0.20 wt.%. The experimental results show that the 0.10 wt.% concentration gives the best improvement for the two electrode configurations used. The improvements are 53% for the inclined tip and 56.90% for the vertical tip in the case of COME + FeO₃. For PKOME + FeO₃, the results are 59.90% and 64.60%, respectively, for the two configurations.

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使用基于 FeO3 的单酯纳米流体提高 TUK 压板的闪蒸阈值

本文论述了通过浸渍法改善 TUK 纤维素纸的介电性能。实验使用了基于植物油酯和纳米铁粒子（FeO3）的纳米流体。使用的绝缘液体是棕榈仁油甲酯（PKOME）和蓖麻油甲酯（COME）。对改进效果的评估基于对浸入纸张中产生的蠕变放电闪络电压的分析。测试是在正雷电冲击电压下进行的，并采用了两种电极配置。实验中使用的纳米粒子浓度分别为 0.10 wt.%、0.15 wt.% 和 0.20 wt.%。实验结果表明，0.10 wt.%的浓度对所用的两种电极配置的改善效果最好。在 COME + FeO3 的情况下，倾斜电极头的改进率为 53%，垂直电极头的改进率为 56.90%。对于 PKOME + FeO3，两种配置的结果分别为 59.90% 和 64.60%。

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

IET Nanodielectrics Materials Science-Materials Chemistry

CiteScore

5.60

自引率

3.70%

发文量

审稿时长

21 weeks