Influence of Electrode Materials and the Manner of Electrode Surface Processing on Gas-Filled Surge Arresters Relevant Characteristics

The aim of this paper is to present the electrode effects as approach for the improvement of gas filled surge arresters (GFSA) protective characteristics in the most optimal way. We examined the influence of the electrode parameters on the pulse shape characteristics. As variable parameters, we used the electrode material and the manner of electrode surface processing. The originally developed GFSA model with a composite electrode system enables a high degree of over-voltage protection without environmental contamination