Design of a Controller for Supercapacitor’s Bidirectional High-Gain Interleaved Converter

Jessica C. A. Sousa (), Thiago M. Soares (), Jonathan M. Tabora () and Hugo G. Lott
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Jessica C. A. Sousa: Graduate Program in Electrical Engineering and Amazon Center of Excellence in Energy Efficiency, Federal University of Pará, Pará 66075-110, PA, Brazil
Thiago M. Soares: Graduate Program in Electrical Engineering and Amazon Center of Excellence in Energy Efficiency, Federal University of Pará, Pará 66075-110, PA, Brazil
Jonathan M. Tabora: Electrical Engineering Department, National Autonomous University of Honduras (UNAH), Tegucigalpa 04001, Honduras
Hugo G. Lott: Norte Energia S/A, Brasília 70390-025, DF, Brazil

Energies, 2025, vol. 18, issue 10, 1-26

Abstract: This study focuses on the mathematical modeling, control design, and analysis of an interleaved bidirectional high-voltage-gain DC-DC converter for energy management in supercapacitors. The state of the art is reviewed, with an emphasis on research related to DC-DC converters and energy storage systems. The characteristics and modeling of the supercapacitors are thoroughly analyzed. The converter’s operation in both buck and boost modes is described, detailing its operating stages, design parameters, and component sizing. The modeling accounts for the dynamics of the converter in both operational modes. PI controllers and compensation techniques were implemented to ensure the desired performance and meet the design criteria. Simulations were conducted using PSIM software, version 2023.1, with a power flow of 1 kW, a 48 V DC bus (buck mode), and a 162 V supercapacitor module (boost mode), operating at 500 kHz. The performance of the controllers was evaluated during both the charging and discharging processes of the supercapacitor, analyzing the dynamic response and behavior in the continuous mode, even in the presence of system disturbances.

Keywords: DC-DC converter; controller; supercapacitor (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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