Partial Discharges in Cavities and their Connection with Dipoles, Space Charges, and Some Phenomena Below Inception Voltage

  • G. E. Vardakis Department of Electrical & Computer Engineering, Democritus University of Thrace, Greece
  • M. Danikas Department of Electrical & Computer Engineering, Democritus University of Thrace, Greece
  • A. Nterekas Department of Electrical & Computer Engineering, Democritus University of Thrace, Greece
Volume: 10 | Issue: 4 | Pages: 5869-5874 | August 2020 | https://doi.org/10.48084/etasr.3593

Abstract

This paper tries to relate Pedersen’s model on partial discharges and work carried out by Bruning and co-workers on the possibility of the existence of charging phenomena below inception voltage, which may eventually cause deterioration of polymeric insulation. Moreover, with the aid of the Electromagnetic theory, some aspects of the Pedersen’s model are tried to be clarified, especially those which are correlated with space charges, electric dipoles, charge distribution, charge dynamics, and partial discharge activity.

Keywords: Pedersen’s model, partial discharges, dipoles, inception voltage, space charges

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