A DCM Single-Controlled Three-Phase SEPIC-Type Rectifier

Tiara Freitas, João Caliman, Paulo Menegáz, Walbermark dos Santos and Domingos Simonetti
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Tiara Freitas: Power Electronics and Drives Laboratory, Department of Electrical Engineering, Federal University of Espírito Santo, Vitória, ES 29075-910, Brazil
João Caliman: Power Electronics and Drives Laboratory, Department of Electrical Engineering, Federal University of Espírito Santo, Vitória, ES 29075-910, Brazil
Paulo Menegáz: Power Electronics and Drives Laboratory, Department of Electrical Engineering, Federal University of Espírito Santo, Vitória, ES 29075-910, Brazil
Walbermark dos Santos: Power Electronics and Drives Laboratory, Department of Electrical Engineering, Federal University of Espírito Santo, Vitória, ES 29075-910, Brazil
Domingos Simonetti: Power Electronics and Drives Laboratory, Department of Electrical Engineering, Federal University of Espírito Santo, Vitória, ES 29075-910, Brazil

Energies, 2021, vol. 14, issue 2, 1-16

Abstract: A discontinuous conduction mode (DCM) three-phase single-ended primary-inductor converter (SEPIC) is presented in this article. The analyzed converter operates as a high-power factor stage in AC–DC conversion systems. As its main features, it presents three controlled switches and a single control signal with simple implementation and low-current harmonic distortion. The converter topology, its design equations, and its operation modes are presented as well as a simulation analysis considering a 3 kW–220 V three-phase input to 400 V DC output converter. The experimental results are included, considering as an application the rectifier stage in low-power wind energy conversion systems (WECS) based on a 1 kW permanent magnet synchronous generator (PMSG) with variable voltage frequencies. From the analysis performed in the paper and the simulation and experimental results revealed, it is concluded that the converter is indicated to be employed in any AC–DC low-power conversion system, such as DC distribution systems, and distributed generation or hybrid systems containing variable-frequency generation.

Keywords: three-phase rectifier; SEPIC-type; power factor correction (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: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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