Comparison and Validation of Five Modulation Strategies for a Dual Active Bridge Converter

Authors

DOI:

https://doi.org/10.4108/ew.v9i6.3066

Keywords:

Dual Active Bridge Converter, Duty-Cycle Modulation, Single Phase Shift, Dual Phase Shift, Extended Phase Shift, Triple Phase Shift

Abstract

This paper addresses the comparison and validation of different modulations for an isolated dc-dc dual active bridge converter (DAB), namely, Duty-Cycle Modulation, Single Phase Shift (SPS), Dual Phase Shift (DPS), Extended Phase Shift (EPS) and Triple Phase Shift (TPS). Given the DAB’s applicability in a wide variety of power electronics branches, several control strategies are being studied to improve its efficiency, by mitigating circulating currents and reactive power. Regardless of the chosen architecture, appropriate modulations must be adopted, assessing which one presents the better cost-benefit ratio. This simulation-based analysis aims to investigate the DAB performance when controlled by the above-mentioned modulations and operating with a nominal power of 3.6 kW. Thus, simulation results show that only SPS, DPS, and TPS are considered suitable, while Duty-Cycle Modulation has time limitations during power transfer and EPS is more appropriate for dynamic power applications. 

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Published

22-02-2023

How to Cite

1.
Coelho S, C. Sousa TJ, Monteiro V, Machado L, Afonso JL, Couto C. Comparison and Validation of Five Modulation Strategies for a Dual Active Bridge Converter . EAI Endorsed Trans Energy Web [Internet]. 2023 Feb. 22 [cited 2024 May 26];9(6):e2. Available from: https://publications.eai.eu/index.php/ew/article/view/3066