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Influence of electrode material on gas-filled surge arresters characteristics in and X radiation field

B. LONAR1,* , P. OSMOKROVIC2, S. STANKOVIC3, R. ŠAŠIC1

Affiliation

  1. Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia and Montenegro
  2. Faculty of Electrical Engineering, University of Belgrade, Bulevar Kralja Aleksandra 73, 11120 Belgrade, Serbia and Montenegro
  3. b Institute of Nuclear Sciences “Vina”, P. O. Box 522, 11001 Belgrade, Serbia and Montenegro

Abstract

The aim of this paper is to find the possibility for improvement of gas-filled surge arresters (GFSA) characteristics in and X radiation field by appropriate choice of electrode materials. For that purpose electrodes made of different materials were incorporated in the origina ly developed GFSA model. The obtained results show that both in and X radiation fields, copper electrodes are an optimal solution, since they have the highest resistance to radiation effects. It is also shown GFSA are highly resistant to radiation, but that X radiation leads to significant degradation of their characteristics..

Keywords

Gas-filled surge arresters, Electrode material, Pre-breakdown current, Gamma radiation, X radiation.

Submitted at: Feb. 20, 2006
Accepted at: March 23, 2006

Citation

B. LONAR, P. OSMOKROVIC, S. STANKOVIC, R. ŠAŠIC, Influence of electrode material on gas-filled surge arresters characteristics in and X radiation field, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 2, pp. 863-866 (2006)