Zero-current Zero-voltage Transition Pwm Converters With Magnetically Coupled Auxiliary Circuit

Mário L. da S. Martins; Jumar L. Russi; José R. Pinheiro; Hélio L. Hey

doi:10.18618/REP.2008.4.201208

Authors

Mário L. da S. Martins PROCEN, Universidade Tecnológica Federal do Paraná - UTFPR CEP 85503-390 Pato Branco, PR, BRASIL
Jumar L. Russi CTA, Universidade Federal do Pampa - UNIPAMPA CEP 97546-550 Alegrete, RS, BRASIL
José R. Pinheiro GEPOC, Universidade Federal de Santa Maria - UFSM CEP 97105-900 Santa Maria, RS, BRASIL
Hélio L. Hey GEPOC, Universidade Federal de Santa Maria - UFSM CEP 97105-900 Santa Maria, RS, BRASIL

DOI:

https://doi.org/10.18618/REP.2008.4.201208

Keywords:

boost converter, soft-switching, ZCZVT

Abstract

This paper presents a novel methodology to synthesize Zero-Current Zero-Voltage Transition (ZCZVT) topologies. The proposed methodology is based on the Auxiliary Voltage Source (AVS) concept, which permits extend the proposed new circuits to an entire class of converters. As the AVS concept is derived directly from the Resonant Transition mechanism, the new class of ZCZVT converters resembles some of the well-known Zero-Voltage Transition (ZVT) converters, holding their main advantages such as simplicity, low reactive energy and high performance. Theoretical and experimental analyses are carried out throughout the paper taking the boost converter as the case study. Nevertheless, it can be extended to other PWM topologies, even the AC-DC and DC-AC converters. Experimental and comparative results have been obtained from three laboratory prototypes rated to 1 kW, 50 kHz, confirming the feasibility of the novel synthesis concept and also the reliability of the new ZCZVT converters in what refers to efficiency as well as to di/dt and dv/dt control.

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Author Biographies

Mário L. da S. Martins, PROCEN, Universidade Tecnológica Federal do Paraná - UTFPR CEP 85503-390 Pato Branco, PR, BRASIL

was born in Palmeira das Missões, Brazil, in 1976. He graduated in electrical engineering from the Federal University of Santa Maria, Santa Maria, Brazil in 1999. He received the M.S. and Ph.D. degrees both in electrical engineering (sub-area Power Electronics) from the PPGEE of Federal University of Santa Maria in 2001 and 2008, respectively. In 2006, he joined the Power Processing and Analysis Research Group (PROCEN) and the Department of Electronics of the Federal Technological University of Paraná where he is currently a Professor. Dr. Martins co-authored more than 30 technical papers, 9 international periodic papers. His research interests include PWM soft-switching converters, VSD inverters, PV systems, UPS, Power Quality issues and PFC technologies.

Jumar L. Russi, CTA, Universidade Federal do Pampa - UNIPAMPA CEP 97546-550 Alegrete, RS, BRASIL

was born in Passo Fundo, Brazil, in 1977. He received the B.S., M.S. and the Ph.D. degrees from the Federal University of Santa Maria, Santa Maria, Brazil, in 2000, 2003 and 2007, respectively, both in electrical engineering. In 2008, he joined the Federa

José R. Pinheiro, GEPOC, Universidade Federal de Santa Maria - UFSM CEP 97105-900 Santa Maria, RS, BRASIL

was born in Santa Maria, Brazil, in
1958. He received the B.S. degree from the Federal
University of Santa Maria, Santa Maria, Brazil, in 1981, and
the M.S. and Ph.D. degrees from the Federal University of
Santa Catarina, Florianópolis, Brazil, in 1984 and 1994,
respectively, all in electrical engineering. His current
research interests include high-frequency and high-power
conversion, power supplies, multilevel converters, powerfactor-
correction techniques, and modeling and control of
converters.

Hélio L. Hey, GEPOC, Universidade Federal de Santa Maria - UFSM CEP 97105-900 Santa Maria, RS, BRASIL

was born in Santa Maria, Brazil, in 1961. He received the B.S. degree from the Catholic University of Pelotas, Pelotas, Brazil, in 1985, and the M.S. and Ph.D. degrees from the Federal University of Santa Catarina, Florianopolis, Brazil, in 1987 and 1991, respectively. Since 1994, he has been with the Power Electronics and Control Research Group (GEPOC), Federal University of Santa Maria, where he is currently a Professor.

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