Analysis Of A Soft-single-switched Quadratic Boost Converter

Lúcio R. Barbosa; Leandro S. Vilefort; Fábio V. Silva; Ernane A. Coelho; Luiz G. Freitas; Luiz Carlos de Freitas; João B. Vieira Jr.

doi:10.18618/REP.2013.3.10471054

Authors

Lúcio R. Barbosa Universidade Estadual de Londrina – Londrina – PR – Brasil
Leandro S. Vilefort Universidade Federal de Uberlândia – Uberlândia – MG –Brasil
Fábio V. Silva Universidade Federal de Uberlândia – Uberlândia – MG –Brasil
Ernane A. Coelho Universidade Federal de Uberlândia – Uberlândia – MG –Brasil
Luiz G. Freitas Universidade Federal de Uberlândia – Uberlândia – MG –Brasil
Luiz Carlos de Freitas Universidade Federal de Uberlândia – Uberlândia – MG –Brasil
João B. Vieira Jr. Universidade Federal de Uberlândia – Uberlândia – MG –Brasil

DOI:

https://doi.org/10.18618/REP.2013.3.10471054

Keywords:

Quadratic-boost, soft-single-switched

Abstract

In recent years, the development of new technologies is requiring power supplies with wide dc conversion range. In this paper an alternative solution is presented, the properties of the new soft- single-switched (SSS) Boost converter with voltage ratio that are quadratically dependent on duty cycle are discussed. The converter is a zero-current-switching (ZCS) during the turn-on period and a zero-voltage-switching (ZVS) during the turn-off period. The operating principle of the proposed converter is explained; its operating modes along with key waveforms are shown. Moreover, a complete simulation and experimental results have verified the feasibility of its applications in renewable energy systems.

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Author Biographies

Lúcio R. Barbosa, Universidade Estadual de Londrina – Londrina – PR – Brasil

received the B.S., M.S. and the Ph.D. degrees in electrical engineering from Federal University of Uberlândia, Brazil, in 1992, 1996 and 1999, respectively. In 2011 he conducted Postdoctoral study at the Nucleus of Research in Power Electronics, Federal University of Uberlândia. Since 1999, he has been with the Electrical Engineering Department, State University of Londrina, Brazil, where he is currently an Associate Professor. His research interests include converter topologies and soft switching techniques. Dr. Barbosa is a member of the Brazilian Society of Power Electronics (SOBRAEP).

Leandro S. Vilefort, Universidade Federal de Uberlândia – Uberlândia – MG –Brasil

received the B.S. and the M.S. degrees in electrical engineering from Federal University of Uberlândia, Brazil, in 2008 and 2011, respectively. Currently, he is conducting the Ph.D. in electrical engineering at the Federal University of Uberlândia. His research interests include developing and modeling of power converters and soft switching techniques. Mr. Vilefort is a member of the Audio Engineering Society (AES).

Fábio V. Silva, Universidade Federal de Uberlândia – Uberlândia – MG –Brasil

received the B.S., M.S. and the Ph.D. degrees in electrical engineering from Federal University of Uberlândia, in 2000, 2003 and 2007, respectively. He is currently with the Nucleus of Research in Power Electronics, Federal University of Uberlândia. His research interests are power electronics, in particular, new converter topologies. Dr. Vincenzi is a member of the Brazilian Society of Power Electronics (SOBRAEP).

Ernane A. Coelho, Universidade Federal de Uberlândia – Uberlândia – MG –Brasil

received the B.S degree in electrical engineering from Federal University of Minas Gerais, in 1987, the M.S. degree from Federal University of Santa Catarina, in 1989 and Ph.D. degree from Federal University of Minas Gerais in 2000. He is currently with the Nucleus of Research in Power Electronics, Federal University of Uberlândia. His research interests are PWM inverters and digital control. Dr. Coelho is a member of the Brazilian Society of Power Electronics (SOBRAEP).

Luiz G. Freitas, Universidade Federal de Uberlândia – Uberlândia – MG –Brasil

received the B.S., M.S. and the Ph.D. degrees in electrical engineering from Federal University of Uberlândia, Brazil, in 2001, 2003 and 2006, respectively. He is currently with the Nucleus of Research in Power Electronics, Federal University of Uberlândia. His research interests include power-factor-correction and new topologies. Prof. Gomes de Freitas is a member of the Brazilian Society of Power Electronics (SOBRAEP).

Luiz Carlos de Freitas, Universidade Federal de Uberlândia – Uberlândia – MG –Brasil

received the M.S. and Ph.D. degrees from the Federal University of Santa Catarina, Brazil, in 1985 and 1992, respectively. He is currently with the Nucleus of Research in Power Electronics, Federal University of Uberlândia. He has published in IEEE (Jan. 1995), the evolution of a zero-voltage-transition commutation cell that has been largely applied in power electronics research. Dr. de Freitas is a member of the Brazilian Society of Power Electronics (SOBRAEP).

João B. Vieira Jr., Universidade Federal de Uberlândia – Uberlândia – MG –Brasil

received the B.S degree in electrical engineering from Federal University of Uberlândia, Brazil, in 1980, the M.S. and Ph.D. degrees from the Federal University of Santa Catarina, Brazil, in 1984 and 1991, respectively. He is currently with the Nucleus of Research in Power Electronics, Federal University of Uberlândia. His research interests include high-frequency power conversion and new converter topologies. Prof. Vieira is a member of the Brazilian Automatic Society (SBA) and the Brazilian Society of Power Electronics (SOBRAEP).

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