Automatic Power Direction Control of Dual Active Bridge/Triple Active Bridge Converter in Emergency Energy Supply for Sustainability

Yu Nie, Xiaotian Zhang, Yihua Hu () and Mohammad Nasr Esfahani
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Yu Nie: School of Physics, Engineering and Technology, University of York, York YO10 5DD, UK
Xiaotian Zhang: School of Physics, Engineering and Technology, University of York, York YO10 5DD, UK
Yihua Hu: Engineering Department, King’s College London, London WC2R 2LS, UK
Mohammad Nasr Esfahani: School of Physics, Engineering and Technology, University of York, York YO10 5DD, UK

Sustainability, 2024, vol. 16, issue 18, 1-18

Abstract: With their multidirectional power flow capability, dual active bridge (DAB) and triple active bridge (TAB) converters find application in energy routers as DC/DC transfer components for emergency energy supply during significant power outages. These converters ensure stable sustainable power transmission across various energy sources while enabling high-power conversion. However, controlling power direction poses a challenge in DAB/TAB converters for emergency energy supply, typically a rapid change of power direction of any port of DAB/TAB converters. To address this problem, this study proposes a novel automatic power direction control method for DAB/TAB converters, enabling bidirectional power transmission without manual intervention based on the state of charge (SOC) of battery for emergency energy supply. This method realizes the change of power direction of each port in DAB/TAB converter automatically according to different situations, even in emergencies. Given the now widespread shortage of emergency energy and the higher cost of labor regulation, this approach simplifies operations and enhances system safety and sustainability by eliminating the need for human supervision. A well-implemented automatic control method ensures efficient and consistent power transfer within the system by change the direction in about 3 s, whenever power direction adjustment is necessary.

Keywords: DAB converter; TAB converter; automatic power direction control method (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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