Dynamic Voltage Restorer With Complete Control Of The Connection Transformers Saturation

Authors

  • Darlan A. Fernandes Universidade Federal da Para´ıba, CEP:58051-900, Jo˜ao Pessoa - PB, Brasil
  • Fabiano F. Costa Universidade Federal da Bahia, CEP:40110-909, Salvador - BA, Brasil
  • Jairo D. Inocˆencio Universidade Federal da Para´ıba, CEP:58051-900, Jo˜ao Pessoa - PB, Brasil
  • Alexandre C. Castro Universidade Federal da Para´ıba, CEP:58051-900, Jo˜ao Pessoa - PB, Brasil
  • Isaac S. Freitas Universidade Federal da Para´ıba, CEP:58051-900, Jo˜ao Pessoa - PB, Brasil

DOI:

https://doi.org/10.18618/REP.2013.3.10301037

Keywords:

dynamic voltage restorer, flux-linkage, Power quality, saturation, transformer, voltage inverter

Abstract

This paper proposes a technique to suppress saturation in series transformers applied to dynamic voltage restorer (DVR) systems. The method consists in correcting the voltages which are injected through the transformers into the power system to compensate voltage sags. It restricts the compensating voltages during the sag whenever it predicts that a maximum limit for the flux-linkage is about to be surpassed. The prediction takes place at the beginning of the voltage sag. Moreover, the method always allows a level of sag compensation even if it prediction for exceeding flux limit is confirmed. Simulation and experimental results show the effectiveness of the method.

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Author Biographies

Darlan A. Fernandes, Universidade Federal da Para´ıba, CEP:58051-900, Jo˜ao Pessoa - PB, Brasil

received the B.S. degree in electrical engineering from Federal University of Paraíba in 2002, and M.S. and Ph.D. degrees in electrical engineering from Federal University of Campina Grande, in 2004 and 2008, respectively. From 2007 to 2011, he was an Assistant Professor at the Industry Department in the Federal Center of Technological Education of Rio Grande do Norte. He is currently an Assistant Professor in the Department of Electrical Engineering at the Federal University of Paraíba. His research interests are in the applications of power electronics in distribution systems and power quality. Professor Darlan is a Member of the Brazilian Association of Power Electronics (SOBRAEP), IEEE Industrial Electronics, Power Electronics and Power & Energy societies.

Fabiano F. Costa, Universidade Federal da Bahia, CEP:40110-909, Salvador - BA, Brasil

received the B.S. degree in electrical engineering from the University of São Paulo, São Paulo, Brazil, in 1997, the M.S. degree in electrical engineering from the Federal University of Paraíba (UFPB), Brazil, in 2001, and the Ph.D. degree in electrical engineering from the Federal University of Campina Grande (UFCG), Campina Grande, Brazil, in 2005. He is currently an Assistant Professor in the Department of Electrical Engineering, Federal University of Bahia. His current research interests include applications of digital signal processing for monitoring and controlling power quality, distance relaying, and real-time digital simulation of power systems.

Jairo D. Inocˆencio, Universidade Federal da Para´ıba, CEP:58051-900, Jo˜ao Pessoa - PB, Brasil

received the B.S. degree in electrical engineering from the Federal University of Campina Grande in 2007. He is currently Electrical Engineer of the Electrical Engineering Department in the Federal University of Paraíba (UFPB), where is also a graduate student in electrical engineering. His research interests are in the applications of power electronics in distribution systems.

Alexandre C. Castro, Universidade Federal da Para´ıba, CEP:58051-900, Jo˜ao Pessoa - PB, Brasil

received the B.S. and M.S. degrees in electrical engineering from the Universidade Federal da Paraíba (UFPB) in 1995 and 2000, respectively. In 2006 received the Ph.D. degree in mechanical engineering from the UFPB. From 2002 to 2009, he was an Assistant Professor in the Instituto Federal de Educação, Ciência e Tecnologia da Bahia. He is currently an Assistant Professor in the Department of Electrical Engineering at the UFPB. His research interests are in the control applications in power systems and power quality.

Isaac S. Freitas, Universidade Federal da Para´ıba, CEP:58051-900, Jo˜ao Pessoa - PB, Brasil

was born in Itaporanga, Paraíba, in 1982. He received the B.S., M.S., and Ph.D. degrees in electrical engineering from Federal University of Campina Grande, Campina Grande, in 2004, 2005, and 2007, respectively. From 2006 to 2007, he was with Electric Machines & Power Electronics Laboratory, Texas A&M University, College Station, as a Visiting Scholar. Since July 2008, he has been with the Electrical Engineering Department of Federal University of Paraíba, João Pessoa, where he is now an Assistant Professor of Electrical Engineering. His research interests include power electronics and electrical drives.

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Published

2013-08-31

How to Cite

[1]
D. A. Fernandes, F. F. Costa, J. D. Inocˆencio, A. C. Castro, and I. S. Freitas, “Dynamic Voltage Restorer With Complete Control Of The Connection Transformers Saturation”, Eletrônica de Potência, vol. 18, no. 3, pp. 1030–1037, Aug. 2013.

Issue

Vol. 18 No. 3 (2013)

Section

Original Papers

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Copyright (c) 2013 Revista Eletrônica de Potência

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