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Suppression of Electron Avalanches in Ultra-Dilute SF 6 -N 2 Mixtures Subjected to Time-Invariant Crossed Fields

Author

Listed:
  • Mustafa Sezai Dincer

    (Department of Electrical and Electronic Engineering, Near East University, Nicosia 99138, Cyprus)

  • Suleyman Sungur Tezcan

    (Department of Electrical-Electronic Engineering, Gazi University, Ankara 06570, Turkey)

  • Hidir Duzkaya

    (Department of Electrical-Electronic Engineering, Gazi University, Ankara 06570, Turkey)

Abstract

Ultra-dilute SF 6 + N 2 mixtures are subjected to crossed fields with the applied magnetic field normal to the electric field in order to investigate critical magnetic field values for suppression of electron avalanche growth resulting in increased dielectric strength. Electron avalanche growth inhibition together with the related electron mean energy variation and electron energy distribution functions are reported in the binary mixtures subjected to the combined fields. Even if a very small amount of greenhouse gas (SF 6 ) is used, high dielectric strength can be achieved in the binary mixtures with 0.25%, 0.50%, 0.75%, 3%, and 7% SF 6 contents subjected to the evaluated combined fields. The magnitude of the crossed magnetic field, which results in avalanche growth inhibition, decreases as the electronegativity of the mixture is increased.

Suggested Citation

  • Mustafa Sezai Dincer & Suleyman Sungur Tezcan & Hidir Duzkaya, 2018. "Suppression of Electron Avalanches in Ultra-Dilute SF 6 -N 2 Mixtures Subjected to Time-Invariant Crossed Fields," Energies, MDPI, vol. 11(12), pages 1-14, November.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:12:p:3247-:d:184721
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    References listed on IDEAS

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    1. Abderrahmane Beroual & Abderrahmane (Manu) Haddad, 2017. "Recent Advances in the Quest for a New Insulation Gas with a Low Impact on the Environment to Replace Sulfur Hexafluoride (SF 6 ) Gas in High-Voltage Power Network Applications," Energies, MDPI, vol. 10(8), pages 1-20, August.
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