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Modeling Battery Energy Storage System operating in DC microgrid with DAB converter

This paper presents a computational model for studying the energy flow at the integration of a battery bank (BB) to a DC microgrid, through the use of the Dual Active Bridge (DAB) converter. The one time constant model was adopted for the battery, with its parameters obtained through exponential reg...

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Main Authors:	Santos, Rafael dos, Goncalves, Flavio A. S., Olimpio Filho, Jose A., Marafao, Fernando P., Gil, Eric
Format:	Conference Proceeding
Language:	English
Subjects:	Batteries Battery Banks Bridge circuits Computational modeling DAB DC Microgrid Load modeling Microgrids State Machines State of charge
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creator	Santos, Rafael dos Goncalves, Flavio A. S. Olimpio Filho, Jose A. Marafao, Fernando P. Gil, Eric
description	This paper presents a computational model for studying the energy flow at the integration of a battery bank (BB) to a DC microgrid, through the use of the Dual Active Bridge (DAB) converter. The one time constant model was adopted for the battery, with its parameters obtained through exponential regression by the Least Squares method, through its hysteresis curve between terminal voltage and load level percentage. The curve was synthesized by data collected from a LiFeYPO4 reference battery. The DAB converter was controlled by the Phase-Shift modulation technique. The converter power management occurs through a state machine, which defines the conditions of energy flow between the microgrid and the energy storage system. This paper has educational aims for the study of energy flow at the integration of BB into DC microgrids.
doi_str_mv	10.1109/COBEP/SPEC44138.2019.9065669
format	conference_proceeding
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ispartof	2019 IEEE 15th Brazilian Power Electronics Conference and 5th IEEE Southern Power Electronics Conference (COBEP/SPEC), 2019, p.1-6
issn	2643-9778
language	eng
recordid	cdi_ieee_primary_9065669
source	IEEE Xplore All Conference Series
subjects	Batteries Battery Banks Bridge circuits Computational modeling DAB DC Microgrid Load modeling Microgrids State Machines State of charge
title	Modeling Battery Energy Storage System operating in DC microgrid with DAB converter
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