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Lightning Breakdown Voltage Evaluation of Palm Oil and Coconut Oil as Transformer Oil under Quasi-Uniform Field Conditions

Author

Listed:
  • Nurul Izzatul Akma Katim

    (Faculty of Engineering, Universiti Pertahanan Nasional Malaysia, Kem Sg Besi 57000, Malaysia)

  • Mohd Taufiq Ishak

    (Faculty of Engineering, Universiti Pertahanan Nasional Malaysia, Kem Sg Besi 57000, Malaysia)

  • Nur Aqilah Mohamad Amin

    (Faculty of Engineering, Universiti Pertahanan Nasional Malaysia, Kem Sg Besi 57000, Malaysia)

  • Mardhiah Hayati Abdul Hamid

    (Faculty of Engineering, Universiti Pertahanan Nasional Malaysia, Kem Sg Besi 57000, Malaysia)

  • Khairol Amali Ahmad

    (Faculty of Engineering, Universiti Pertahanan Nasional Malaysia, Kem Sg Besi 57000, Malaysia)

  • Norhafiz Azis

    (Centre for Electromagnetic and Lightning Protection Research, Universiti Putra Malaysia, Serdang 43400, Malaysia)

Abstract

This paper presents lightning (1.2/50 µs) breakdown voltages of palm oil (PO), coconut oil (CO) and mineral oil (MO) in a quasi-uniform sphere to sphere electric field at two gap distances. The type of PO used in this study is Refined Bleached Deodorized Palm Oil (RBDPO) Olein type. The effect of voltage polarities (positive and negative) and testing methods (rising voltage, up and down and multiple level) on the lightning breakdown performance were investigated. The results indicated that lightning breakdown voltages of CO and RBDPO are comparable to those of MO under various test conditions. The results indicated that there is no polarity effect for lightning impulse breakdown tests in a quasi-uniform field. The testing methods, including rising voltage method, up and down method and multiple level method have a notable influence on the breakdown voltages. The effect of the 50% breakdown voltage on rising voltage method, up and down method and multiple level method for RBDPO and CO is comparable to MO. The withstand voltage at 1% and 50% breakdown probabilities were obtained using the Normal distribution fitting on the cumulative probability plot of impulse shots. Based on a normal distribution fitting, withstand voltages 1% breakdown probability of POA were close to the MO. Finally, based on statistical studies and simulation using ANSYS software, the prediction formulas for breakdown voltage for larger gap distances for all samples were derived.

Suggested Citation

  • Nurul Izzatul Akma Katim & Mohd Taufiq Ishak & Nur Aqilah Mohamad Amin & Mardhiah Hayati Abdul Hamid & Khairol Amali Ahmad & Norhafiz Azis, 2018. "Lightning Breakdown Voltage Evaluation of Palm Oil and Coconut Oil as Transformer Oil under Quasi-Uniform Field Conditions," Energies, MDPI, vol. 11(10), pages 1-15, October.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:10:p:2676-:d:174251
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    Citations

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    Cited by:

    1. Das, Anu Kumar & Ch Shill, Dayal & Chatterjee, Saibal, 2022. "Coconut oil for utility transformers – Environmental safety and sustainability perspectives," Renewable and Sustainable Energy Reviews, Elsevier, vol. 164(C).
    2. Nur Sabrina Suhaimi & Mohd Taufiq Ishak & Muhamad Faiz Md Din & Fakhroul Ridzuan Hashim & Abdul Rashid Abdul Rahman, 2022. "Raman Spectroscopy Characterization of Mineral Oil and Palm Oil with Added Multi-Walled Carbon Nanotube for Application in Oil-Filled Transformers," Energies, MDPI, vol. 15(4), pages 1-13, February.
    3. Shen, Zijia & Wang, Feipeng & Wang, Zhiqing & Li, Jian, 2021. "A critical review of plant-based insulating fluids for transformer: 30-year development," Renewable and Sustainable Energy Reviews, Elsevier, vol. 141(C).
    4. Mardhiah Hayati Abdul Hamid & Mohd Taufiq Ishak & Nur Sabrina Suhaimi & Jaafar Adnan & Nazrul Fariq Makmor & Nurul Izzatul Akma Katim & Rahisham Abd Rahman, 2021. "Lightning Impulse Breakdown Voltage of Rice Bran Oil for Transformer Application," Energies, MDPI, vol. 14(16), pages 1-22, August.
    5. Nur Sabrina Suhaimi & Muhamad Faiz Md Din & Abdul Rashid Abdul Rahman & Mardhiah Hayati Abdul Hamid & Nur Aqilah Mohamad Amin & Wan Fathul Hakim Wan Zamri & Jianli Wang, 2020. "Optimum Electrical and Dielectric Performance of Multi-Walled Carbon Nanotubes Doped Disposed Transformer Oil," Energies, MDPI, vol. 13(12), pages 1-19, June.

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