Modular multilevel converter based unidirectional medium/high voltage drive system

Gean J.M. De Sousa, Marcelo L. Heldwein

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

12 Scopus citations

Abstract

This work introduces a novel unidirectional Power Electronics system of converters to be applied in medium/high voltage (MV/HV) drives. The system employs two modular multilevel converters (MMCs) connected through a MV/HV dc bus. The active rectifier is a new unidirectional MMC topology and the inverter is the already known MMC. This is feasible since most of the MV drives present today do not require energy regeneration. The resulting unidirectional system leads to increased reliability and reduced components count. A proper control strategy is presented to provide unit power factor at the mains side and field oriented control at the machine side. Simulation results from a system driving a three-phase 11 kV/1.9 MW induction motor from a 11 kV/60 Hz ac grid are presented.

Original languageEnglish
Title of host publicationProceedings, IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society
Pages1037-1042
Number of pages6
DOIs
StatePublished - 2013
Externally publishedYes
Event39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013 - Vienna, Austria
Duration: 10 Nov 201314 Nov 2013

Publication series

NameIECON Proceedings (Industrial Electronics Conference)

Conference

Conference39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013
Country/TerritoryAustria
CityVienna
Period10/11/1314/11/13

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