A Low Power Voltage Sag Compensator

Fernando O. Martinz; Mauricio Galassi; Antonio R. Giaretta; Marco A. Oliveira; Fabiana A.T. Silva; Mario Masuda; Simão Copeliovitch; Eric R. Zanetti; Eduardo G. Lima; Josué Camargo; Se Un Ahn; Lourenço Matakas Jr.; Wilson Komatsu; José A. Jardini

doi:10.18618/REP.2006.2.077084

Authors

Fernando O. Martinz Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil
Mauricio Galassi Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil
Antonio R. Giaretta Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil
Marco A. Oliveira Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil
Fabiana A.T. Silva Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil
Mario Masuda Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil
Simão Copeliovitch Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil
Eric R. Zanetti Expertise Engenharia
Eduardo G. Lima Expertise Engenharia
Josué Camargo Expertise Engenharia
Se Un Ahn Companhia Piratininga de Força e Luz
Lourenço Matakas Jr. Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil
Wilson Komatsu Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil
José A. Jardini Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil

DOI:

https://doi.org/10.18618/REP.2006.2.077084

Keywords:

DSP controlled converter, Dynamic Voltage Restorer (DVR), Power quality, Voltage sags

Abstract

The increasing use of voltage variation sensitive loads in industrial applications nowadays has brought a real concern about interruption costs and damages in complex production lines. This paper presents a power-electronic–based device which compensates voltage sags, restoring the load voltage to acceptable values through a series connected injection transformer. The ratings and power requirements of a low-power voltage sag compensator, also known as Dynamic Voltage Restorer (DVR) are derived, as well as its deadbeat control algorithm implemented in a Digital Signal Processor (DSP). Finally, simulation and experimental results of a 5-kVA prototype are presented.

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Author Biographies

Fernando O. Martinz, Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil

was born in São Paulo, Brazil in 1975. He received his B.Sc. degree in Electrical Engineering in 2003 from the State University of Campinas (UNICAMP) with emphasis in power Systems. Currently he is a researcher at the Power Electronics Laboratory (LEP) at the Polytechnic School of the University of São Paulo (EPUSP), where he is a M.Sc. student, and works with applications of Power Electronics into Power Distribution Systems. Mr. Martinz is a member of Brazilian Society of Power Electronics (SOBRAEP).

Mauricio Galassi, Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil

was born in São Paulo, Brazil in 1978. He received his B.Sc. degree in 2003 from EPUSP with emphasis on Power Systems Engineering. Currently he is a researcher at LEP (EPUSP), where he is a M.Sc. student, and works with applications of Power Electronics into Power Distribution. Mr. Galassi is a SOBRAEP member.

Se Un Ahn, Companhia Piratininga de Força e Luz

was born in Inchon, South Korea in 1957. He received his B.Sc. degree from the Mackenzie Engineering School (São Paulo) in 1981, his M.Sc. and Ph.D. degrees in Electrical Engineering from EPUSP in 1993 and 1997, respectively. Since 1986 he works as a research engineer in Distribution Systems at Companhia Piratininga de Força e Luz (CPFL). His professional activities include load curves and use of expansion planning of the Power System.

Lourenço Matakas Jr., Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil

was born in São Paulo, Brazil in 1960. He received his B.Sc. degree from EPUSP in 1983. In 1989 and 1998, he obtained from the same institution, the M.Sc. and Ph.D. degrees, respectively. From 1984 to 1989, he has worked at FDTE/EPUSP with electric vehicles, electronic reactors, induction furnaces and high power factor rectifiers. Since 1996, he is a lecturer at EPUSP, PUC-SP and São Judas University, teaching power electronics, electronics and industrial automation. His areas of interest are: power quality, control and converters modeling, and their application to Power Systems. Dr. Matakas Jr. is a SOBRAEP member.

Wilson Komatsu, Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil

was born in São Paulo, Brazil. He received his B.Sc. degree from EPUSP, in 1986 and the M.Sc. and Ph.D. degrees in 1992 and 2000, respectively from the same institution. From 1987 to 1989, he worked at FDTE/EPUSP developing projects of induction furnaces. In 1989, he became lecturer at EPUSP teaching power electronics and control systems. His areas of interest are power quality, modeling of control systems and converters, and their application to Power Systems. Dr. Komatsu is a SOBRAEP and IEEE member.

José A. Jardini, Escola Politécnica da Universidade de São Paulo – Departamento de Energia e Automação Elétricas, Av. Prof. Luciano Gualberto, tr.3, no.158, Sala A2-10, CEP 05505-900, São Paulo, SP, Brazil

was born in 1941. He received his B.Sc. degree from EPUSP in 1963. Subsequently, he obtained his M.Sc. and Ph.D. degrees in 1970 and 1973, respectively, all from the same institution. From 1964 to 1991 he worked at Themag Eng. Ltd in the area of Power Systems & Automation and Transmission Lines projects. Currently, he is a Professor in EPUSP. Prof. Jardini’s interests are Generation, Automation, Transmission and Distribution of Power Systems. Dr. Jardini is a member of CIGRE and was the Brazilian representative in the SC38 of CIGRE, Fellow Member of IEEE and Distinguished Lecturer of IAS/IEEE.

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