Affiliation:
1. Faculty of Electronic Engineering, University of Niš, Serbia
Abstract
The results of the reliability testing of Littelfuse and EPCOS gas-filled
surge arresters for different overvoltages under DC discharge will be
presented in this paper. The static breakdown voltage of these gas
components was estimated using voltage increase rates ranging from 1 to 10
V/s. A detailed statistical analysis of experimental data has also been
done. The delay time of these components for different nominal overvoltages
has been investigated as an additional aspect important for component
reliability. In addition, the delay time method was used as a statistical
method which can give neither ion nor neutral active states number density
in the glow and afterglow. It can be employed for qualitative observation of
ions and neutral active states decay in the afterglow to such low
concentrations where the other methods cannot be applied. Finally, a
comparison has been done between the characteristics of two gas-filled surge
arresters which have the same nominal overvoltage (Littelfuse and EPCOS)
from different manufacturers.
Publisher
National Library of Serbia
Cited by
2 articles.
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