Methods for improving the workability of natural ester insulating oils in power transformer applications: A review

Sharin Ab Ghani; Nor Asiah Muhamad; Zulkarnain Ahmad NoordenHidayat ZainuddinNorazhar Abu BakarMohd Aizam Talib

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Methods for improving the workability of natural ester insulating oils in power transformer applications: A review

机译：Methods for improving the workability of natural ester insulating oils in power transformer applications: A review

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Even though natural insulating oils (NEI) oils are environmentally friendly, these oils have not gained widespread use in high-voltage oil-immersed power transformers because of their unfavorable properties such as low pour point, low oxidation stability, low resistance to lightning impulse, and high kinematic viscosity. Hence, much effort has been made to overcome the disadvantages of NEI oils, including the addition of additives, modification of the chemical structure of oils and altering the transformer design to ensure compatibility with the oils. This review article is focused on the methods used to improve the workability of NEI oils in power transformers, namely, (1) depression of the pour point, (2) chemical modifications, (3) changes in the transformer design, (4) addition of nanoparticles, (5) addition of lightning resistance additives, and (6) addition of antioxidants. The benefits and challenges of each method are also discussed. It is believed that this review article offers new insight to scientists and researchers in this field.

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来源
《Electric Power Systems Research》 |2018年第10期|655-667|共13页
作者
Sharin Ab Ghani; Nor Asiah Muhamad; Zulkarnain Ahmad NoordenHidayat ZainuddinNorazhar Abu BakarMohd Aizam Talib;
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作者单位

TNB Research Sdn. Bhd., No. 1, Lorong Air Hitam;

Institute of High Voltage and High Current, Faculty of Electrical Engineering, Universiti Teknologi Malaysia|Research Laboratory of High Voltage Engineering, Faculty of Electrical Engineering, Universiti Teknikal Malaysia Melaka;

School of Electrical and Electronic Engineering, Engineering Campus, Universiti Sains MalaysiaInstitute of High Voltage and High Current, Faculty of Electrical Engineering, Universiti Teknologi MalaysiaResearch Laboratory of High Voltage Engineering, Faculty of Electrical Engineering, Universiti Teknikal Malaysia Melaka;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类理论与分析;发电、发电厂;
关键词
Transformer; Insulating oil; Vegetable-based oil; Natural ester insulating oil; Improvement; Properties; Construction design;

Methods for improving the workability of natural ester insulating oils in power transformer applications: A review

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