A Three-phase Power-factor Correction Scheme Using an Autotransformer and Two Single-phase Buck Rectifiers

Geovane Duarte Pinheiro; Alceu André Badin; Roger Gules; Eduardo Ribeiro Felix Romaneli

doi:10.18618/REP.2015.1.085093

Authors

Geovane Duarte Pinheiro Federal University of Technology – Parana – UTFPR Curitiba, PR
Alceu André Badin Federal University of Technology – Parana – UTFPR Curitiba, PR
Roger Gules Federal University of Technology – Parana – UTFPR Curitiba, PR
Eduardo Ribeiro Felix Romaneli Federal University of Technology – Parana – UTFPR Curitiba, PR

DOI:

https://doi.org/10.18618/REP.2015.1.085093

Keywords:

buck rectifier, AC-DC converters, PFC converters, Scott Autotransformer, sinusoidal pulse width modulated

Abstract

This paper presents a three-phase unidirectional rectifier with power-factor correction (PFC) using two modified single-phase Buck rectifiers in continuous conduction mode (CCM). The phase reduction technique using an autotransformer based on Scott Connection renders a non-isolated rectifier to operate with unity power factor. The power of autotransformer is only 14% of the total output power. Two single-phase buck rectifiers interleaved are able to regulate low voltage output. The control system is simple and it has only one voltage control loop. Theoretical analysis, design procedure and complete simulation results with closed loop operation are given. A 4-kW prototype has also been implemented in the laboratory which demonstrated to operate successfully with excellent performance.

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Author Biographies

Geovane Duarte Pinheiro, Federal University of Technology – Parana – UTFPR Curitiba, PR

received a B.Sc. degree in e automation and control engineering from the College Assis Gurgacz, Cascavel, PR, in December 2007. He is currently working toward the M.Sc degree in electrical engineering from the Federal University of Technology - Paraná, Brazil. Since 2010, he has been professor at the College Assis Gurgacz. His research interests are rectifiers with high power factor and power factor correction.

Alceu André Badin, Federal University of Technology – Parana – UTFPR Curitiba, PR

was born in Maravilha, Santa Catarina, Brazil, in 1979.

He received the B.Sc., M.Sc. and Ph.D. degrees in electrical engineering from the Federal University of Santa Catarina, Florianopolis, Brazil, in 2002, 2004, and 2009, respectively.

Since 2010, he has been a Professor at the Federal University of Technology - Paraná, Brazil. His current research interests include high-frequency power converter topologies, power factor correction techniques and power supplies.

Prof. Badin is a member of the Brazilian Power Electronics Society (SOBRAEP) and IEEE Power Electronics Society.

Roger Gules, Federal University of Technology – Parana – UTFPR Curitiba, PR

received a B.E. (Electrical Engineering) degree from the Federal University of Santa Catarina, Brazil, in January 1993; Master and Doctorate degrees in Electrical Engineering also from the Federal University of Santa Catarina in March 1998 and December 2001, respectively. Since 2003, he has been fulltime professor at Federal University of Technology - Paraná, Brazil. His research has spanned several disciplines, emphasizing power electronics. His interests are focused, but not restricted, to UPS, power factor correction and digital control.

Eduardo Ribeiro Felix Romaneli, Federal University of Technology – Parana – UTFPR Curitiba, PR

was born in Bento Gonçalves, Rio Grande do Sul, Brazil, in 1971. He received the B.S. degree from the Federal University of Santa Maria, Rio Grande do Sul, and the M.S. and Ph.D. degrees from the Federal University of Santa Catarina, Florianopolis, Brazil, in 1998 and 2001, respectively.

From 2001 to 2005, he was a Professor at the Universidade do Vale do Rio dos Sinos, Rio Grande do Sul. Since 2006, he has been a Professor at the Federal University of Technology - Paraná, Curitiba, ´Brazil. His current research interests include power-switching converters and renewable energy applications.

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