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Influence of Area and Volume Effect on Dielectric Behaviour of the Mineral Oil-Based Nanofluids

Author

Listed:
  • Suhaib Ahmad Khan

    (Department of Electrical Engineering, ZHCET, Aligarh Muslim University, Aligarh 202002, India)

  • Mohd Tariq

    (Department of Electrical Engineering, ZHCET, Aligarh Muslim University, Aligarh 202002, India)

  • Asfar Ali Khan

    (Department of Electrical Engineering, ZHCET, Aligarh Muslim University, Aligarh 202002, India)

  • Basem Alamri

    (Department of Electrical Engineering, College of Engineering, Taif University, Taif 21944, Saudi Arabia)

  • Lucian Mihet-Popa

    (Faculty of Information Technology, Engineering and Economics, Oestfold University College, 1757 Halden, Norway)

Abstract

Transformer oil is conventionally used as an insulating liquid for the purpose of insulation and cooling in power transformers. The rise in the power demand has put stress on the existing insulation system used for power transmission. Nanotechnology provides an advanced approach to upgrade the conventional insulation system by producing nano-oil with enhanced dielectric characteristics. The aim of the study is to present the influence of area volume effect on the dielectric performance of mineral oil and its nanofluids. In this paper, nanofluids are prepared by dispersing two different concentrations of SiO 2 nanoparticles in base transformer oil using a two-step method. The effect of area and volume is investigated on nanofluids in the laboratory using coaxial electrode configurations under different test conditions. The AC breakdown voltage and maximum electric stress is determined for the pure oil and nanofluids. The results show that the addition of SiO 2 nanoparticles significantly improves the dielectric characteristics of transformer oil. Moreover, the breakdown phenomenon is also discussed to analyze the effect of nanoparticle, stressed area, and stressed volume on the dielectric strength of insulating oil. Nanofluids could be an alternative to mineral oil.

Suggested Citation

  • Suhaib Ahmad Khan & Mohd Tariq & Asfar Ali Khan & Basem Alamri & Lucian Mihet-Popa, 2022. "Influence of Area and Volume Effect on Dielectric Behaviour of the Mineral Oil-Based Nanofluids," Energies, MDPI, vol. 15(9), pages 1-12, May.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:9:p:3354-:d:808696
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    References listed on IDEAS

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    1. Yuzhen Lv & Muhammad Rafiq & Chengrong Li & Bingliang Shan, 2017. "Study of Dielectric Breakdown Performance of Transformer Oil Based Magnetic Nanofluids," Energies, MDPI, vol. 10(7), pages 1-21, July.
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