Level-Shifted PWM for a Multilevel Traction Converter Using a State Composer

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Contributors

Abstract

A new approach for implementing Level-Shifted Pulse Width Modulation in cascaded multilevel converters while achieving even power distribution is presented. The target is to modulate a multilevel traction converter, however the modulator can be applied to any topology where a series connection of H-Bridges is present. The proposed modulator does not only achieve equal power utilization of the converter's cells, but also enables the improvement of common mode voltages and easy reconfiguration after failures. Simulations are used to verify the modulator's behavior.

Details

Original languageEnglish
Title of host publication2012 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE)
PublisherWiley-IEEE Press
Pages713-717
Number of pages5
Publication statusPublished - 2012
Peer-reviewedYes

Conference

Title2012 IEEE Energy Conversion Congress and Exposition
Abbreviated titleECCE 2012
Duration15 - 20 September 2012
CityRaleigh
CountryUnited States of America

External IDs

Scopus 84870893730