Power sharing controller for modular dual active bridge DC/DC converter in medium voltage DC applications

Yasen A. Harrye, Ahmed A. Aboushady, Khaled H. Ahmed

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Abstract

This paper presents a new structure of a power sharing controller for a modular based dual active bridge (DAB) DC/DC converter. The modular topology is based on input-series output-parallel (ISOP) connection of DAB modules suitable for a voltage step down application at medium voltage level. Since DAB has bi-directional power flow capability, this connection would act as its dual input-parallel output-series (IPOS) counterpart in the case of reverse power flow. The proposed power sharing controller ensures uniform power sharing among the modules even in the case of parameter mismatches as well as manages converter operation during pole-to-pole and individual module DC faults. Results for the proposed controller are justified using a detailed Matlab simulation model.
Original languageEnglish
Title of host publication2017 IEEE 6th International Conference on Renewable Energy Research and Applications (ICRERA)
PublisherIEEE
ISBN (Electronic)9781538620953
DOIs
Publication statusPublished - 14 Dec 2017

Keywords

  • power sharing controller
  • electrical engineering
  • dual active bridge

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    Harrye, Y. A., Aboushady, A. A., & Ahmed, K. H. (2017). Power sharing controller for modular dual active bridge DC/DC converter in medium voltage DC applications. In 2017 IEEE 6th International Conference on Renewable Energy Research and Applications (ICRERA) IEEE. https://doi.org/10.1109/DISTRA.2017.8191131