Proposal for a Hybrid Cycloconverter with Three-phase Input and Single-phase Output with Low Output Voltage Harmonic Distortion

Érico C. Guimarães; Pedro A. R. Freitas; Fernando C. Melo; Gustavo B. Lima; Luiz C. Freitas; Luiz C. G. Freitas

doi:10.18618/REP.2005.1.037044

Authors

Érico C. Guimarães Universidade Federal de Uberlândia https://orcid.org/0009-0005-8820-786X
Pedro A. R. Freitas Universidade Federal de Uberlândia https://orcid.org/0009-0007-9703-028X
Fernando C. Melo Universidade de Brasília https://orcid.org/0000-0002-6355-5332
Gustavo B. Lima Universidade Federal de Uberlândia https://orcid.org/0000-0001-8891-4939
Luiz C. Freitas Universidade Federal de Uberlândia https://orcid.org/0000-0002-1906-6830
Luiz C. G. Freitas Universidade Federal de Uberlândia https://orcid.org/0000-0002-1036-2801

DOI:

https://doi.org/10.18618/REP.2005.1.037044

Keywords:

AC-AC Converter, Cycloconverter, Harmonic Distortion, Hybrid

Abstract

This paper presents a proposal for a Hybrid Cycloconverter with Three-phase Input and Single-phase Output with Low Output Voltage Harmonic Distortion (THD_V). The proposed topology is based on the series association of Thyristor-based Cycloconverter with a non-isolated two DC-DC converters. The DC-DC converters are designed to process the minimum amount of energy necessary to mitigate harmonic distortion of the output voltage and, hence, to increase power density and efficiency. Theoretical analysis is presented and corroborated by experimental results obtained with a small-scale laboratory prototype. Different operating modes are analyzed and confirm the functionality of the proposed converter.

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Author Biographies

Érico C. Guimarães, Universidade Federal de Uberlândia

was born in Uberlândia, Minas Gerais, Brazil, in 1991. He received the B.S. degree in 2013 in Electrical Engineering from the Federal University of Uberlândia (UFU), Brazil, and a master's degree (2016) from the postgraduate program in Electrical Engineering at UFU in Power Electronics, working at the Power Electronics Research Center (NUPEP). During his master's degree he studied and developed control techniques for AC-AC converters. He is currently a PhD student in Electrical Engineering at the same institution. His main topics of interest are: Microgrids, Distributed Generation, Renewable Energy, Control Methods and Power Quality.

Pedro A. R. Freitas, Universidade Federal de Uberlândia

was born in Uberlândia, Minas Gerais, Brazil, in 1990. He received the B.S. and master’s degrees in electrical engineering from the Federal University of Uberlândia (UFU), in 2012 and 2014, respectively, where he is currently pursuing the Ph.D. degree in power electronics. In 2014, he joined the Federal Institute of the Triângulo Mineiro, IFTM, where he is also a Professor. His research interests include photovoltaic systems and sustainable energies.

Fernando C. Melo, Universidade de Brasília

was born in Uberlândia, Minas Gerais, Brazil, in 1989. He received the Ph.D. degree in electrical engineering from the Federal University of Uberlândia, in 2017. He completed his postdoctoral research from the Federal University of Uberlândia, in 2019. He is currently a Professor with the University of Brasília. His research interests include power electronics, photovoltaic distributed generation, and microgrids.

Gustavo B. Lima, Universidade Federal de Uberlândia

was born in Ibiassucê, Brazil, in 1986. He received the B.Sc., M.Sc., and Ph.D. degrees in electrical engineering from the Federal University of Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil, in 2010, 2012, and 2015, respectively. In 2017, he joined as a Faculty Member of UFU, where he is currently developing teaching and research activities in the area of power electronics and power systems as a member of the Power Electronics Research Center (NUPEP), Faculty of Electrical Engineering, UFU. His research interests include hybrid rectifiers, digital control applied to power electronics, and power factor correction.

Luiz C. Freitas, Universidade Federal de Uberlândia

was born in Monte Alegre, Minas Gerais, Brazil, in April 1952. He received the M.Sc. and Ph.D. degrees in power electronics from the Federal University of Santa Catarina, Florianópolis, Brazil, in 1985 and 1992, respectively. In 1991, he founded the Research Center in Power Electronics, Federal University of Uberlândia (UFU). He has authored a variety of papers particularly in the areas of soft switching, DC–DC, DC–AC, and AC–DC converters. He has published in PESC-92, APEC-93, PESC-93, and IEEE Transactions on Power Electronics, in January 1995, a family of soft-switching converters that promote the driving input and output of switches with zero voltage, which, since then, he has been widely used in research related to non-dissipative switching converters. Since 1996, he has been a Researcher recognized by the National Council for Scientific and Technological Development (CNPq) with a Research Productivity Grant. He is currently a retired Professor with UFU, where he is a collaborating Researcher with the Postgraduate Program, Faculty of Electrical Engineering. He has more than 79 articles published in national and international journals, and more than 244 papers published in conferences. His research interests include the design and development of power electronics converters.

Luiz C. G. Freitas, Universidade Federal de Uberlândia

was born in Uberlândia, Brazil, in 1976. He received the Graduate degree in electrical engineering with emphasis on power systems and the master’s and Ph.D. degrees in electrical engineering with emphasis on power electronics from the Federal University of Uberlândia (UFU), in 2001, 2003, and 2006, respectively. In his doctoral thesis, he developed an innovative topological design of a three-phase hybrid rectifier for high power drive systems. In 2012, he received the Second Prize Paper Award of the IEEE-IAS-Industrial Automation and Control Committee (IACC) for his contribution to the development of hybrid rectifier structures. In 2008, he joined as a Faculty Member of UFU, where he is currently developing teaching and research activities in the area of power electronics and power systems. Since 2010, he has been the Coordinator of the Power Electronics Research Center (NUPEP), Faculty of Electrical Engineering, UFU. Since 2013, he has been a Researcher recognized by the National Council for Scientific and Technological Development (CNPq) with a Research Productivity Grant. His research interests include electrical engineering, conversion and rectification of electric energy, working on various topics related to power electronics, electrical power quality, and renewable energy.

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