Study on The Ageing Performance on Kenaf Insulating Presspaper with Natural Ester

2021 IEEE International Conference on the Properties and Applications of Dielectric Materials (ICPADM) Pub Date : 2021-07-12 DOI:10.1109/ICPADM49635.2021.9493983

N. I. Hashim, Mohd Taufiq Ishak, Nurizah Insyirah Md Noh, J. Adnan, M. S. Mohd Nasir, Siti Aminah Mohd Noor

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Abstract

This study aims to evaluate the ageing performance of Kraft and Kenaf insulation press-paper in Natural Ester (NE), which could be applied in a power transformer. Kenaf fiber was produced by Kraft pulping process is considered as potential insulation press-paper due to higher cellulose. Due to environmental concerns, NE uses have been considered an alternative to mineral oil. In this experiment, an accelerated ageing test was carried out with transformer insulation press-paper. Kraft and Kenaf press-paper were impregnated in NE with a copper strip of 90°C and 140°C for 10,20 30 days. Fourier transform infrared spectroscopy (FTIR) result showed that O-H's absorption intensity decreased, while C-H, C=O, and C-O bond increased with the ageing time. The viscosity measurements have been used to compare the stability of aged NE with Kraft and Kenaf press-paper at different ageing time. It is found that the viscosity results showed aged NE with Kraft press-paper is higher than Kenaf presspaper as the duration of ageing increase.

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天然酯对红麻绝缘纸老化性能的研究

本研究旨在评价天然酯(NE)中牛皮纸和红麻绝缘压纸的老化性能，该材料可用于电力变压器。利用硫酸盐法制浆生产的红麻纤维由于纤维素含量较高，被认为是一种有潜力的绝缘压纸。由于对环境的关注，人们一直认为NE是矿物油的替代品。本文对变压器绝缘压纸进行了加速老化试验。将牛皮纸和红麻压纸分别用90℃和140℃的铜条在NE中浸渍10、20、30天。傅里叶变换红外光谱(FTIR)结果表明，随着老化时间的延长，O- h的吸收强度降低，而C- h、C=O和C-O键的吸收强度增加。用粘度测定法比较了陈化后的NE与牛皮纸、红麻压纸在不同陈化时间下的稳定性。结果表明，随着老化时间的延长，牛皮纸压纸老化后的NE粘度高于红麻压纸。

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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2021 IEEE International Conference on the Properties and Applications of Dielectric Materials (ICPADM)

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