Experimental Evaluation of a 2 kW/100 kHz DC–DC Bidirectional Converter Based on a Cuk Converter Using a Voltage-Doubler Concept

Wanderson Francisco Lopes, Mário Lúcio da Silva Martins, Attilio Converti (), Hugo Valadares Siqueira and Carlos Henrique Illa Font
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Wanderson Francisco Lopes: Graduate Program in Electrical Engineering, Federal University of Technology—Paraná—UTFPR, Ponta Grossa 84017-220, PR, Brazil
Mário Lúcio da Silva Martins: Graduate Program in Electrical Engineering, Federal University of Santa Maria—UFSM, Santa Maria 97105-900, RS, Brazil
Attilio Converti: Department of Civil, Chemical and Environmental Engineering, University of Genoa, Pole of Chemical Engineering, Via Opera Pia, 15, 16145 Genoa, Italy
Hugo Valadares Siqueira: Graduate Program in Electrical Engineering, Federal University of Technology—Paraná—UTFPR, Ponta Grossa 84017-220, PR, Brazil
Carlos Henrique Illa Font: Graduate Program in Electrical Engineering, Federal University of Technology—Paraná—UTFPR, Ponta Grossa 84017-220, PR, Brazil

Energies, 2024, vol. 17, issue 2, 1-25

Abstract: This paper presents a theoretical analysis of steady-state operation, control-oriented modeling for voltage control, and the experimental results of a DC–DC bidirectional converter based on a Cuk converter using a voltage-doubler concept. Due to the voltage-doubler concept, the voltage stress across semiconductors is reduced when compared with the conventional Cuk converter; this allows for the use of semiconductors with reduced drain–source on-resistance. Moreover, due to the input and output current source characteristics, the converter presents advantages, such as draining/injecting currents on both sides with low-ripple currents. Furthermore, the theoretical analysis is verified by experimental results obtained from a proof-of-concept prototype designed with a 250 V input voltage, a 360 V output voltage, 2 kW rated power, and 100 kHz switching frequency.

Keywords: DC–DC converter; bidirectional converter; Cuk converter; voltage-doubler; dynamic model; voltage control (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: 2024
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