Safe-commutation principle for direct single-phase AC-AC converters for use in audio power amplification

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Abstract

This paper presents an alternative safe commutation principle for a single phase bidirectional bridge, for use in the new generation of direct single-stage AC-AC audio power amplifiers. As compared with the bridge commutation with load current or source voltage sensing, in this approach it is not required to do any measurements, thus making it more reliable. Initial testing made on the prototype prove the feasibility of the approach.
Original languageEnglish
Title of host publicationNordic Workshop on Power and Industrial Electronics NORPIE 2004
Publication date2004
Publication statusPublished - 2004

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