A Model Predictive Control based Power Sharing Control of Dual Active Bridge Converter with Parameters Estimation

Yuan Li, Subham Sahoo, Tomislav Dragicevic, Yichao Zhang, Frede Blaabjerg

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Abstract

Dual active bridge (DAB) converters are becoming one of the most reliable interfaces due to their high voltage range, easy realization of zero voltage switching (ZVS), galvanic isolation, etc. To meet specific consumer requirements in DC microgrids, DAB converters operate with different topologies. In this paper, a finite control set model predictive control (FCS-MPC)-based power sharing control is proposed when DAB converters are in different structures which are input series-output series, input parallel-output parallel, input parallel-output series, and input parallel-output parallel connecting structures. By analyzing the power balance relationship of the input port and output port, it determines the variable (input voltage/current or output voltage/current) which should be controlled to realize the power sharing. And then the cost function is designed based on the control strategy. Besides, this paper proposes a Kalman filter based parameter estimation method for the DAB converter. In this case, it guarantees the robustness of the MPC algorithm. Finally, the simulation results prove the effectiveness of the proposed method.
Original languageEnglish
Title of host publicationProceedings of IECON 2022 – 48th Annual Conference of the IEEE Industrial Electronics Society
Number of pages6
PublisherIEEE
Publication date2022
ISBN (Electronic)978-1-6654-8025-3
DOIs
Publication statusPublished - 2022
Event48th Annual Conference of the IEEE Industrial Electronics Society - Brussels, Belgium
Duration: 17 Oct 202220 Oct 2022
Conference number: 48

Conference

Conference48th Annual Conference of the IEEE Industrial Electronics Society
Number48
Country/TerritoryBelgium
CityBrussels
Period17/10/202220/10/2022
SeriesIecon 2022 – 48th Annual Conference of the Ieee Industrial Electronics Society
ISSN2577-1647

Keywords

  • DAB converter
  • Power sharing
  • Model predictive control
  • Parameters estimation
  • Kalman filter

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