Optimization Of The Ferrite Core Volume In A Single-phase Grid-connected Pv System With Active And Reactive Power Control

Kleber C. A. de Souza; Walbermark M. dos Santos; Denizar C. Martins

doi:10.18618/REP.2013.4.12241234

Authors

Kleber C. A. de Souza Federal Institute of Education, Science and Technology of Ceará, Brazil
Walbermark M. dos Santos Federal University of Santa Catarina, Power Electronic Institute, Brazil
Denizar C. Martins Federal University of Santa Catarina, Power Electronic Institute, Brazil

DOI:

https://doi.org/10.18618/REP.2013.4.12241234

Keywords:

active power filter, Grid-Connected PV Systems, Single-Phase Circuits

Abstract

This paper presents a method to minimize the losses and the magnetic cores volume in a single-phase active power filter based in a two stages grid-connected PV system. The proposed circuit injects PV generated power into the utility, and always acts as an active power filter to compensate load harmonics and reactive power such that the input power factor is very high independently of the solar radiation and the type of the load connected. In sunny days, the system processes all the reactive and active load power and the excessive power from the PV module can be fed to the utility. On the other hand, on cloudy days for instance, if the PV power is not enough, the system processes all the reactive load power and the shortage of active load power is supplemented by the utility. Besides, just using one current sensor, the control strategy is simple and of suitable for practical implementation.

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Author Biographies

Kleber C. A. de Souza, Federal Institute of Education, Science and Technology of Ceará, Brazil

was born in Campina Grande, PB, Brazil, in 1975. He received the B. S. and M. Sc. degrees in electrical engineering from the Federal University of Ceará, Fortaleza, Brazil, in 2000 and 2003, and Doctorate in Electric Engineering at Universidade Federal de Santa Catarina, Brazil(2009). Currently works in Federal Institute of Education, Science and Technology of Ceará, Brazil. Dr.Kleber is member of SOBRAEP.

Walbermark M. dos Santos, Federal University of Santa Catarina, Power Electronic Institute, Brazil

was born in São Luis,MA, Brazil, in 1973. He received the B. S. degrees in electrical engineering from the Federal University of Maranhão, São Luis, Brazil in 2003, and M. Sc. degree in Power Electronics and Electrical Drivers from the Federal University of Santa Catarina, Florianópolis, Brazil in 2011.Currently he is a Phd Student of the Power Electronics Institute, Federal University of Santa Catarina, Brazil. Walbermark Santos is a member of SOBRAEP.

Denizar C. Martins, Federal University of Santa Catarina, Power Electronic Institute, Brazil

was born in São Paulo, Brazil, on April 24, 1955. He received the B.S. and M.S. degrees in electrical engineering from Federal University of Santa Catarina, Florianopolis, SC, Brazil, in 1978 and 1981, respectively, and the Ph.D. degree in electrical engineering from the Polytechnic National Institute of Toulouse, Toulouse, France, in 1986. He is currently a Titular Professor in the Department of Electrical Engineering at Federal University of Santa Catarina. His interest research areas include dc-dc and dc-ac converters, high frequency, soft commutation, power factor correction and grid-connected PV systems. Dr. Denizar is a member of SOBRAEP.

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