A two-stage AC/DC SST based on modular multilevel converterfeasible to AC railway systems

This paper proposes the use of the modular multilevel converter (MMC) for ac-dc conversion using medium frequency transformers in a two-stage topology with unidirectional switches. The losses analysis of the propose converter are presented with a comparative study among others two topology well know...

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Bibliographic Details
Main Authors: Oliveira, Demercil S., de A Honorio, Dalton, Barreto, Luiz Henrique S. C., Praca, Paulo P., Kunzea, Andreas, Carvalho, Samuel
Format: Conference Proceeding
Language:English
Subjects:
Bridge circuits
Equations
Modulation
Power transformers
Switches
Topology
Voltage control
Online Access:Request full text
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Summary:This paper proposes the use of the modular multilevel converter (MMC) for ac-dc conversion using medium frequency transformers in a two-stage topology with unidirectional switches. The losses analysis of the propose converter are presented with a comparative study among others two topology well know in the literature for traction applications. The basic description of the topology and some simulation results are presented, followed by a comparative losses result.
ISSN:1048-2334
2470-6647
DOI:10.1109/APEC.2014.6803564