Control of Modular Multilevel Converters Under Loading Variations in Distributed Generation Applications

Edris Pouresmaeil, Majid Mehrasa, Eduardo M.G. Rodrigues, Radu Godina, João P.S. Catalão

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

2 Citations (Scopus)
109 Downloads (Pure)

Abstract

In this paper, a function-based modulation control strategy for modular multilevel converters (MMCs) in a distributed generation (DG) system is proposed. Two novel modulation functions are introduced in this paper for the switching state functions of the lower and upper sub-modules of the interfaced MMC, which is considered as the main contribution of this control technique over other control methods. The amplitude and phase angle of the output current of the interfaced MMC can be easily applied to the proposed modulation functions to prepare a specific active and reactive power injection into the demand side. In addition, the equivalent capacitors of the lower and upper submodules are defined by taking into account the introduced modulation functions to guarantee an appropriate operation for the interfaced MMC in DG systems. Simulation results validate the capability of the proposed control method for MMCs under load variations.
Original languageEnglish
Title of host publicationProceedings of the 2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe (EEEIC/ I&CPS Europe)
PublisherIEEE
Number of pages6
ISBN (Electronic)978-1-5386-5186-5
DOIs
Publication statusPublished - 2018
MoE publication typeA4 Article in a conference publication
EventIEEE International Conference on Environment and Electrical Engineering and IEEE Industrial and Commercial Power Systems Europe - Palermo, Italy
Duration: 12 Jun 201815 Jun 2018

Conference

ConferenceIEEE International Conference on Environment and Electrical Engineering and IEEE Industrial and Commercial Power Systems Europe
Abbreviated titleEEEIC/I&CPS Europe
Country/TerritoryItaly
CityPalermo
Period12/06/201815/06/2018

Keywords

  • modular multilevel converter
  • MMC
  • modulation function control
  • loads variations
  • sub-modules

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