Proposal Of A Control Algorithm Applied To A Threephase, Four Wire, AC-DC Converter For EV And UPS Applications

Luiz D. S. Bezerra; René P. Torrico-Bascopé; Cícero M. T. Cruz; Antonio Wallace N. da Silva

doi:10.18618/REP.2015.3.2541

Authors

Luiz D. S. Bezerra IFCE – Instituto Federal de Educação Ciência e Tecnologia do Ceará, Campus Maracanáu – CE, Brasil
René P. Torrico-Bascopé UFC – Universidade Federal do Ceará, Fortaleza – CE, Brasil
Cícero M. T. Cruz UFC – Universidade Federal do Ceará, Fortaleza – CE, Brasil
Antonio Wallace N. da Silva IFCE – Instituto Federal de Educação Ciência e Tecnologia do Ceará, Campus Maracanáu – CE, Brasil

DOI:

https://doi.org/10.18618/REP.2015.3.2541

Keywords:

Control Algorithm, Power Factor Correction, Rectifiers, Three-phase AC-DC Converter, Three-phase Battery Charger

Abstract

This paper introduces a control algorithm for a multifunctional, three-phase, four-wire ac-dc converter. The converter is so-called multifunctional because it operates as a battery charger and as a load power supply. In other words, two different loads in parallel are simultaneously connected to the converter. The proposed algorithm can be applied to nonisolated three-phase UPS (uninterruptible power supply) systems, and electric vehicle (EV) battery charging systems. Relevant features of the proposed approach are power factor correction, common neutral point between the input and output facilitates the installation of the bypass circuit, balanced and symmetrical output voltages that allow the use of inverters with neutral point, and control of the battery current. The operation principle of the proposed algorithm is discussed in detail, while experimental results are also presented.

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Author Biographies

Luiz D. S. Bezerra, IFCE – Instituto Federal de Educação Ciência e Tecnologia do Ceará, Campus Maracanáu – CE, Brasil

received the B.Sc. and the M.Sc degrees in Electrical Engineering from Federal University of Ceará (UFC), Ceará, Brazil, in 2007 and 2010, respectively. Currently, he is pursuing his Doctor degree in Electrical Engineering from Federal University of Ceará (UFC). He is currently a Professor with the Department of Industry at Federal Institute of Education, Science and Technology of Ceará (IFCE), Maracanaú, CE, Brazil. He is a member of the Brazilian Society of Power Electronics. His main research interests include power supplies, digital power factor correction techniques, uninterruptible power systems, digital control of power converters and grid-connected PV systems.

René P. Torrico-Bascopé, UFC – Universidade Federal do Ceará, Fortaleza – CE, Brasil

received the B.Sc. degree in Electrical Engineering from San Simón University, Cochabamba, Bolívia, in 1992, and the M.Sc. and Dr. Eng. degrees in electrical engineering from the Federal University of Santa Catarina, Florianópolis, Brazil, in 1994 and 2000, respectively. Currently, he is an Associate Professor with the Department of Electrical Engineering, Federal University of Ceará, Fortaleza, Brazil. His main research interests include power supplies, power factor correction techniques, uninterruptible power systems, and renewable energy systems. Also, he is a reviewer of Power Electronic and Industrial Electronics journals of the IEEE. Dr. Torrico-Bascopé is a member of the Brazilian Society of Power Electronics.

Cícero M. T. Cruz, UFC – Universidade Federal do Ceará, Fortaleza – CE, Brasil

was born in Crato-CE (Brazil). He received the B.Sc. in Electrical Engineering form the Federal University of Ceará in 1990. He received the M.Sc. and Dr. Eng. degrees in Electrical Engineering from Federal University of Santa Catarina, Brazil, in 1993 and 2002, respectively. Since 1994, he has been with the Electrical Engineering Department, Federal University of Ceará (Brazil), where he is now Associate Professor of Electrical Engineering. His research interests include Power Electronics and its applications, power supplies, power factor correction techniques, uninterruptible power systems, and electric drive systems. Dr. Cícero is a member of the Brazilian Society of Power Electronics.

Antonio Wallace N. da Silva, IFCE – Instituto Federal de Educação Ciência e Tecnologia do Ceará, Campus Maracanáu – CE, Brasil

is currently an electronic Technician in Engineering Institute for Sustainable Development at Integration University of International Lusophony Afro-Brazilian. He is currently graduating in Technology in Industrial Maintenance, and completed in 2011 the technical education in Electrotechnical, focused in electronic and electrical systems at Federal Institute of Education, Science and Technology of Ceará (IFCE).

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