Modeling and control of a Dual Active Bridge for energy storage in DC microgrid applications

In the present paper the modeling and control of a Dual Active Bridge (DAB) converter with input and output filters for energy storage systems (ESS) applied to DC microgrids has been described. The small-signal equivalent models are derived from the averaged circuit of the converter. Since the DAB c...

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Bibliographic Details
Published in2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) pp. 1 - 8
Main Authors Marcelino, Frederico L. F., Sathler, Hans H., de Oliveira, Thiago R., Donoso-Garcia, Pedro F.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.04.2017
Subjects
Analytical models
Bridge circuits
dc microgrid
dc-dc converter
Dual Active Bridge
energy storage
Frequency control
Integrated circuit modeling
Microgrids
Transfer functions
Voltage control
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Summary:In the present paper the modeling and control of a Dual Active Bridge (DAB) converter with input and output filters for energy storage systems (ESS) applied to DC microgrids has been described. The small-signal equivalent models are derived from the averaged circuit of the converter. Since the DAB converter with filters exhibit distinct transfer functions for charge and discharge modes, a double loop control and a method for smooth transition have been proposed. Simulations results are presented in order to evaluate the proposed control technique.
ISSN:2329-5767
DOI:10.1109/PEDG.2017.7972461