Adaptive Hysteresis Current Control Of A Pwm Inverter At Constant Modulation Frequency Applied To Shunt Active Power Filters

Rondineli Rodrigues Pereira; Carlos Henrique da Silva; Luiz Eduardo Borges da Silva; Germano Lambert-Torres; Bimal K. Bose

doi:10.18618/REP.2010.4.323329

Authors

Rondineli Rodrigues Pereira Federal University of Itajubá - UNIFEI Itajubá, Brazil
Carlos Henrique da Silva Federal University of Itajubá - UNIFEI Itajubá, Brazil
Luiz Eduardo Borges da Silva Federal University of Itajubá - UNIFEI Itajubá, Brazil
Germano Lambert-Torres Federal University of Itajubá - UNIFEI Itajubá, Brazil
Bimal K. Bose University of Tennessee Knoxville, USA

DOI:

https://doi.org/10.18618/REP.2010.4.323329

Keywords:

active harmonic filter, Adaptive hysteresis, constant modulation frequency, Current control, digital signal processor (DSP), fuzzy control, PWM

Abstract

This paper proposes a novel adaptive hysteresis current control strategy of a voltage-fed PWM inverter, where the switching frequency always remains constant and the harmonic ripple is minimum, irrespective of dc link voltage fluctuation and load parameter variation. The developed algorithm works well for single-phase as well as multi-phase inverters, although single-phase inverter operation, particularly in active harmonic filter mode, is emphasized in this paper. The algorithm uses fuzzy logic-based current error compensation, and it is simple to implement and does not involve any hysteresis-band calculation. The control strategy has been implemented digitally with a high-speed digital signal processor (TI-TMS320F2812). The proposed scheme has been thoroughly evaluated in laboratory by simulation as well as in experimental studies on a single-phase inverter, and its performance was found to be excellent.

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Author Biographies

Rondineli Rodrigues Pereira, Federal University of Itajubá - UNIFEI Itajubá, Brazil

graduated in computation engineering in 2007 and received M.Sc. degree in electrical engineering in 2009, from Itajubá Federal University, Brazil, where he is currently working toward the D.Sc degree. His research interests include digital signal processing, adaptive filters, control algorithms for active power filters, harmonics and power quality.

Carlos Henrique da Silva, Federal University of Itajubá - UNIFEI Itajubá, Brazil

received the B.Sc in electrical engineering from the Federal University of Sao Joao Del Rei in 2003, the M.Sc. and D.Sc degree in electrical engineering from the Federal University of Itajubá in 2005 and 2009 respectevely. Currently he is a Professor of the Electrical Engineering Department at Itajuba Federal University (UNIFEI), Brazil. His research interests include active power filters, digital signal processing and control systems.

Luiz Eduardo Borges da Silva, Federal University of Itajubá - UNIFEI Itajubá, Brazil

(M’88) received his B.S. and a M.Sc. degrees in Electrical Engineering from Itajuba Federal University, in 1977 and 1982, respectively, and his Ph.D. degree from École Polytechnique de Montréal, Canada, in 1988. Currently, he is a Professor of the Electronic Engineering Department at Itajuba Federal University (UNIFEI), Brazil. He was a Visiting Professor at University of Tennessee at Knoxville, in 1998. His research focuses on power electronics, electronic power systems, power converters and applications of adaptive and intelligent control in industrial problems.

Germano Lambert-Torres, Federal University of Itajubá - UNIFEI Itajubá, Brazil

(M’90) received the Ph.D. degree in Electrical Engineering from École Polytechnique de Montréal, Canada, in 1990. He received a B.S. and a M.Sc. degrees in Electrical Engineering from Itajuba Federal University, B.S. in Economics from Faculty of Economic Sciences at South of Minas, and a B.S. in Mathematics from Itajuba Faculty of Sciences and Letters. He is currently a Professor and Dean of the Electrical Engineering Department at Itajuba Federal University (UNIFEI), Brazil. From 1995 to 1996 he was a Visiting Professor at University of Waterloo, Canada. From 2000 to 2004, he was served as Pro-Rector of Research and Graduate Studies at UNIFEI. He serves on a number of committees related to intelligent systems, in IEEE and CIGRE.

Bimal K. Bose, University of Tennessee Knoxville, USA

(S’59-M’60-SM’78-F’89-LF’96) has held the Condra Chair of Excellence (endowed chair) in power electronics at the University of Tennessee, Knoxville, since 1987, where he was responsible for the teaching and research program in power electronics and motor drives. Concurrently, he served as the distinguished scientist (1989– 2000) and chief scientist (1987–1989) of EPRI – Power Electronics Applications Center, Knoxville, Tennessee. Prior to this, he was an associate professor of electrical engineering, Rensselaer Polytechnic Institute, Troy, New York (1971–1976). He is a Life Fellow of the IEEE. He is a specialist in power electronics and motor drives, including power converters, PWM techniques, micro-computer/DSP control, electric/hybrid vehicle drives, renewable energy systems, and AI applications in power electronics and motor drives.

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