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

Todor Todorcevic, Pavol Bauer, Jan Abraham Ferreira, Rick van Kessel

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

4 Citations (Scopus)


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
Number of pages7
ISBN (Electronic)978-1-4799-4032-5
Publication statusPublished - 2014
EventIECON 2014, Dallas, TX, USA - Piscataway, NJ, USA
Duration: 29 Oct 20141 Nov 2014


ConferenceIECON 2014, Dallas, TX, USA


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


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