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Temperature stability of components for overvoltage protection of low-voltage systems

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3 Author(s)
Loncar, B. ; Fac. of Technol. & Metall., Univ. of Belgrade, Yugoslavia ; Osmokrovic, P. ; Stankovic, S.

In this paper, we present temperature stability investigations of different overvoltage protection components employed in low-voltage applications. The following components have been examined: transient suppresser diodes, metal-oxide varistors (MOVs), gas-filled surge arresters (GFSAs), and polycarbonate capacitors. The aim of the research presented here is to identify the effectiveness of the overvoltage protection as a function of temperature. Experimental results show that GFSAs have rather stabile operational characteristics in a wide temperature range (from -90°C to +210°C). As for MOVs, they exhibit certain improvement of their protective characteristics at higher temperatures. Experimental results are backed up by theoretical explanations.

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Plasma Science, IEEE Transactions on  (Volume:30 ,  Issue: 5 )