A Modulation Strategy for Wide Voltage Output in DAB based DC-DC Modular Multilevel Converter

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4 Citations (Scopus)

Abstract

This paper presents a modulation strategy for wide voltage output in a bidirectional modular multilevel dc-dc power electronic converter for wave energy extraction using Electro Active Polymer Wave Energy Converters (EAPWECs). The chosen electrical power converter uses a 10 kV, low current bidirectional dc-dc modular multilevel topology with Dual Active Bridges (DABs) as a basis for each module. This paper proposes a modulation method consisting of several variable frequency DAB modulation modes and explains their operating areas and limitations. Through a simulation model it is shown how the control for the multilevel converter is implemented. Finally, loss estimation is performed using the developed loss model, which was previously validated on an experimental setup.
Original languageEnglish
Title of host publicationIECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society
Subtitle of host publicationProceedings
Place of PublicationPiscataway, NJ, USA
PublisherIEEE
Pages4514-4520
Number of pages7
ISBN (Electronic)978-1-4799-4032-5
DOIs
Publication statusPublished - 2014
EventIECON 2014, Dallas, TX, USA - Piscataway, NJ, USA
Duration: 29 Oct 20141 Nov 2014

Conference

ConferenceIECON 2014, Dallas, TX, USA
Period29/10/141/11/14

Keywords

  • control
  • dc-dc
  • dual active bridge
  • multilevel converter
  • wave energy conversion

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