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Large-signal modeling of three-phase dual active bridge converters for electromagnetic transient analysis in DC grids

Maxime Berger, Ilhan Kocar, Handy Fortin-Blanchette and Carl Lavertu

Article (2019)

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Abstract

The three-phase dual active bridge (3p-DAB) converter is widely considered in next-generation DC grid applications. As for traditional AC grids, the successful integration of power electronic converters in DC grids requires accurate time-domain system-level studies. As demonstrated in the existing literature, the development and efficient implementation of large-signal models of 3pDAB converters are not trivial. In this paper, a generalized average model is developed, which enables system-level simulation of DC grids with 3p-DAB converters in electromagnetic transient type (EMT-type) programs. The proposed model is rigorously compared with alternative modeling techniques: ideal-model, switching-function and state-space averaging. It is concluded that the generalized average model provides an optimal solution when accuracy of transient response, reduction in computation time, and wideband response factors are considered.

Uncontrolled Keywords

Three-phase dual active bridge (3p-DAB), Generalized averaging, Large-signal analysis, Electromagnetic transient, DC–DC conversion

Subjects: 2500 Electrical and electronic engineering > 2500 Electrical and electronic engineering
2500 Electrical and electronic engineering > 2502 Electromagnetics, compatibility and interference
2500 Electrical and electronic engineering > 2516 Energy conversion and distribution
Department: Department of Electrical Engineering
PolyPublie URL: https://publications.polymtl.ca/4783/
Journal Title: Journal of Modern Power Systems and Clean Energy (vol. 7, no. 6)
Publisher: Springer Nature
DOI: 10.1007/s40565-019-0531-8
Official URL: https://doi.org/10.1007/s40565-019-0531-8
Date Deposited: 08 Apr 2021 09:53
Last Modified: 07 Apr 2024 02:51
Cite in APA 7: Berger, M., Kocar, I., Fortin-Blanchette, H., & Lavertu, C. (2019). Large-signal modeling of three-phase dual active bridge converters for electromagnetic transient analysis in DC grids. Journal of Modern Power Systems and Clean Energy, 7(6), 1684-1696. https://doi.org/10.1007/s40565-019-0531-8

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