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Abstract
In this paper, the important characteristics of gate turn-off thyristors (GTOs) which differ from those of conventional thyristors are briefly discussed. The protection of a GTO against switching stresses is explained with a simple snubber circuit. The importance of regenerative snubbers and snubberless operation are pointed cut. Few prominent GTO converter/inverter circuits as reported in literature are very briefly reviewed. Some successful commercial GTO applications are mentioned.
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