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Generalized Control Approach for a Class of Modular Multilevel Converter Topologies

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Dennis Karwatzki
  • Axel Mertens

Details

Original languageEnglish
Pages (from-to)2888-2900
Number of pages13
JournalIEEE Transactions on Power Electronics
Volume33
Issue number4
Early online date12 May 2017
Publication statusPublished - Apr 2018
Event2016 IEEE Energy Conversion Congress and Exposition, ECCE 2016 - Milwaukee, United States
Duration: 18 Sept 201622 Sept 2016

Abstract

This paper presents a generalized control concept that can be applied to a class of modular multilevel converter topologies. Examples for such topologies are the Modular Multilevel Converter, the Modular Multilevel Matrix Converter, and the Hexverter. The presented control approach consists of a current control based on the state-space representation and a branch energy balancing control. For the branch energy balancing, an optimization process leading to minimal additional current stress is presented. After describing the control approach in general form, it is applied exemplarily to the Modular Multilevel Matrix Converter. A comparison with the branch energy balancing for the Modular Multilevel Matrix Converter from previous publications is conducted, which shows the improvement achieved by the presented control. In fact, the previously published controllers are boundary cases of the presented optimized solution. The generalized control concept is verified by simulation and experimental results for the Modular Multilevel Matrix Converter. It can be easily applied to new configurations.

Keywords

    Branch energy balancing, control, modular multilevel converter, modular multilevel matrix converter (MMMC)

ASJC Scopus subject areas

Cite this

Generalized Control Approach for a Class of Modular Multilevel Converter Topologies. / Karwatzki, Dennis; Mertens, Axel.
In: IEEE Transactions on Power Electronics, Vol. 33, No. 4, 04.2018, p. 2888-2900.

Research output: Contribution to journalArticleResearchpeer review

Karwatzki D, Mertens A. Generalized Control Approach for a Class of Modular Multilevel Converter Topologies. IEEE Transactions on Power Electronics. 2018 Apr;33(4):2888-2900. Epub 2017 May 12. doi: 10.1109/TPEL.2017.2703917
Karwatzki, Dennis ; Mertens, Axel. / Generalized Control Approach for a Class of Modular Multilevel Converter Topologies. In: IEEE Transactions on Power Electronics. 2018 ; Vol. 33, No. 4. pp. 2888-2900.
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