Ac-to-ac Converters With High Input Power Factor And Variable Output Frequency Without Any Feedback Control

Euzeli C. dos Santos Jr.; Aluísio A. M. Bento; Edison R. C. da Silva; Cursino B. Jacobina

doi:10.18618/REP.2006.3.249256

Authors

Euzeli C. dos Santos Jr. Laboratório de Eletrônica Industrial e Acionamento de Máquinas, Departamento de Engenharia Elétrica, Universidade Federal de Campina Grande, Caixa Postal 10105; 58109-970 Campina Grande, PB; Brasil
Aluísio A. M. Bento Laboratório de Eletrônica Industrial e Acionamento de Máquinas, Departamento de Engenharia Elétrica, Universidade Federal de Campina Grande, Caixa Postal 10105; 58109-970 Campina Grande, PB; Brasil
Edison R. C. da Silva Laboratório de Eletrônica Industrial e Acionamento de Máquinas, Departamento de Engenharia Elétrica, Universidade Federal de Campina Grande, Caixa Postal 10105; 58109-970 Campina Grande, PB; Brasil
Cursino B. Jacobina Laboratório de Eletrônica Industrial e Acionamento de Máquinas, Departamento de Engenharia Elétrica, Universidade Federal de Campina Grande, Caixa Postal 10105; 58109-970 Campina Grande, PB; Brasil

DOI:

https://doi.org/10.18618/REP.2006.3.249256

Keywords:

AC-to-AC converter, Power factor control, Single-phase to single-phase converter

Abstract

The main goal of this paper is to propose three single-phase AC-to-AC converters based on the AC-DC Nabae converter. The proposed topologies improve input power factor and input current waveform without any complicated switching modulation, such as pulse width modulation, or feedback control. These topologies can operate with either variable output frequency in applications such as AC drive systems or fixed output frequency such as UPS (Uninterrupted Power Supply). The main characteristics of the proposed configurations are also presented. Experimental results verify the theoretical studies.

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Author Biographies

Euzeli C. dos Santos Jr., Laboratório de Eletrônica Industrial e Acionamento de Máquinas, Departamento de Engenharia Elétrica, Universidade Federal de Campina Grande, Caixa Postal 10105; 58109-970 Campina Grande, PB; Brasil

was born in Picuí, Paraíba, Brazil, in 1979. He received the B.S. and M.S. degrees in electrical engineering from Federal University of Campina Grande, Brazil, in 2004 and 2005, respectively, where he is currently pursuing the Ph.D. degree. In 2006, he is with EMPE - Electric Machines & Power Electronics Laboratory, Texas A&M University, Texas, USA, as a Research Scholar. His research interests include power converter configurations with reduced number of components, multi-machine drive systems and drive systems.

Aluísio A. M. Bento, Laboratório de Eletrônica Industrial e Acionamento de Máquinas, Departamento de Engenharia Elétrica, Universidade Federal de Campina Grande, Caixa Postal 10105; 58109-970 Campina Grande, PB; Brasil

was born in Campina Grande, Paraíba, Brazil, in 1964. He received the B.S. degree in electrical engineering from Federal University of Rio de Janeiro, Brazil. He received the M.S. degree in electrical engineering from Federal University of Campina Grande, Brazil, in 2005, where he is currently working towards the Doctoral degree. His research interests include: Power converters and configurations for power factor control in single-phase and three-phase systems.

Edison R. C. da Silva, Laboratório de Eletrônica Industrial e Acionamento de Máquinas, Departamento de Engenharia Elétrica, Universidade Federal de Campina Grande, Caixa Postal 10105; 58109-970 Campina Grande, PB; Brasil

was born in Pelotas, Brazil, on December 2, 1942. He received the B.C.E.E. degree from the Polytechnic School of Pernambuco, Recife, Brazil, in 1965, the M.S.E.E. degree from the University of Rio de Janeiro, Brazil, in 1968, and the D.Eng. degree from the University Paul Sabatier, Toulouse, France, in 1972. From 1967 to 2002, he joined the staff of the Electrical Engineering Department, Federal University of Paraiba, Brazil. Since 2002 he is a professor of electrical engineering in the Federal University of Campina Grande, Brazil. In 1990, he was with COPPE, Federal University of Rio de Janeiro, and from 1990 to 1991, he was with WEMPEC, University of Wisconsin, Madison, as a Visiting Professor. His current research work is in the area of power electronics and motor drives.

Cursino B. Jacobina, Laboratório de Eletrônica Industrial e Acionamento de Máquinas, Departamento de Engenharia Elétrica, Universidade Federal de Campina Grande, Caixa Postal 10105; 58109-970 Campina Grande, PB; Brasil

was born in Correntes, Pernambuco, Brazil, in 1955. He received the B.S. degree in electrical engineering from Federal University of Paraíba, Campina Grande, Brazil, in 1978 and the Diplôme d’Etudes Approfondies and the Ph.D. degrees from Institut National Polytechnique de Toulouse, Toulouse, France, in 1980 and 1983, respectively. From 1978 to 2002, he has been with the Electrical Engineering Department, Federal University of Paraíba. Since 2002 he is Professor of electrical engineering in the Federal University of Campina Grande, Brazil. His research interests include electrical drives, power electronics, control systems, and system identification.

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