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On the Computation of the Voltage Distribution along the Non-Linear Resistor of Gapless Metal Oxide Surge Arresters

Author

Listed:
  • Christos A. Christodoulou

    (Department of Electrical and Electronic Engineering Educators ASPETE—School of Pedagogical and Technological Education, N. Heraklion, 141 21 Athens, Greece)

  • Vasiliki Vita

    (Department of Electrical and Electronic Engineering Educators ASPETE—School of Pedagogical and Technological Education, N. Heraklion, 141 21 Athens, Greece)

  • Valeri Mladenov

    (Department of Theoretical Electrical Engineering, Technical University of Sofia, “Kliment Ohridski” Blvd 8, 1000 Sofia, Bulgaria)

  • Lambros Ekonomou

    (Department of Electrical and Electronic Engineering Educators ASPETE—School of Pedagogical and Technological Education, N. Heraklion, 141 21 Athens, Greece
    Department of Electrical and Electronic Engineering, City, University of London, London EC1V 0HB, UK)

Abstract

The voltage distribution along the non-linear resistance of metal oxide surges is of great importance for their proper operation, since the non-uniform potential distribution results in higher thermal stresses of the varistor discs near the high voltage electrode, leading to a faster ageing of the discs at the top and, consequently, a downgrade in arrester effectiveness and reliability or even failures. The current work deals with the examination of the voltage distribution along the non-linear resistance of medium voltage metal oxide gapless surge arresters, using an appropriate computer tool, discussing configuration that improve the voltage distribution. Moreover, the impact of various factors on the voltage distribution is examined. The extracted results can contribute to the more efficient design of modern metal oxide gapless surge arresters, in an effort to ensure their reliable operation to protect the electrical equipment against lightning surges.

Suggested Citation

  • Christos A. Christodoulou & Vasiliki Vita & Valeri Mladenov & Lambros Ekonomou, 2018. "On the Computation of the Voltage Distribution along the Non-Linear Resistor of Gapless Metal Oxide Surge Arresters," Energies, MDPI, vol. 11(11), pages 1-14, November.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:11:p:3046-:d:180862
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    References listed on IDEAS

    as
    1. Nurul A. A. Latiff & Hazlee A. Illias & Ab H. A. Bakar & Sameh Z. A. Dabbak, 2018. "Measurement and Modelling of Leakage Current Behaviour in ZnO Surge Arresters under Various Applied Voltage Amplitudes and Pollution Conditions," Energies, MDPI, vol. 11(4), pages 1-16, April.
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    Cited by:

    1. Morteza Ghayedi & Michal Jasinski, 2023. "Electric Field Distribution on Zinc Oxide Pills in Gapless Surge Arresters Using Finite Element Method and Evolutionary Optimization Algorithms in HVAC Systems," Sustainability, MDPI, vol. 15(10), pages 1-13, May.
    2. Flaviu Mihai Frigura-Iliasa & Sorin Musuroi & Ciprian Sorandaru & Doru Vatau, 2019. "Case Study about the Energy Absorption Capacity of Metal Oxide Varistors with Thermal Coupling," Energies, MDPI, vol. 12(3), pages 1-17, February.
    3. Krzysztof Dziarski & Arkadiusz Hulewicz & Łukasz Drużyński & Grzegorz Dombek, 2022. "Indirect Thermographic Temperature Measurement of a Power-Rectifying Diode Die Based on a Heat Sink Thermogram," Energies, MDPI, vol. 16(1), pages 1-25, December.

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