Abstract
This paper shows possibilities and specific usage of transistor (IGBT) converters developed for electric motor drives in static excitation systems of synchronous generators. Today, static excitation systems of the synchronous generators are represented with thyristor converters. Beside that, in brushless excitation systems transistor converters are rarely encountered. Basic comparatively characteristics of generators' static excitation systems with thyristor and transistor converters are shown. Eventually it can be concluded that transistor converters can be successfully applied in excitation systems of the generators.
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