A NEW COUPLED INDUCTOR MULTILEVEL AC CHOPPER

A NEW COUPLED INDUCTOR MULTILEVEL AC CHOPPER

The use of thyristors-based AC-AC converters present several disadvantages like non-sinusoidal output voltage and increased harmonic content on the input side. A solution to these problems is offered by AC choppers made with IGBT modules. Amongst the advantages offered by these converters are: incre...

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Veröffentlicht in:Scientific Bulletin. Series C, Electrical Engineering and Computer Science Electrical Engineering and Computer Science, 2019-01 (2), p.203
Hauptverfasser: Glod, Bogdan, Floricău, Dan, Pârvulescu, Lucian
Format: Artikel
Sprache:eng
Schlagworte:
Converters
Electric potential
Thyristors
Voltage converters (AC to AC)
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Zusammenfassung:The use of thyristors-based AC-AC converters present several disadvantages like non-sinusoidal output voltage and increased harmonic content on the input side. A solution to these problems is offered by AC choppers made with IGBT modules. Amongst the advantages offered by these converters are: increased efficiency, sinusoidal input and output currents, smaller input/output filters. In this paper is proposed a new solution capable of reducing the switched current by using two parallel choppers. In addition, the proposed structure is generalized for any number of voltage levels.
ISSN:2286-3540