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TitleSingle-phase shunt active filter with digital control
Author(s)Pinto, J. G.
Neves, Pedro
Pregitzer, Ricardo G.
Monteiro, Luís F. C.
Afonso, João L.
KeywordsSingle-Phase shunt active power filter
Instantaneous power theory
Computer simulations
Power quality
Issue dateMar-2007
PublisherEuropean Association for the Development of Renewable Energies, Environment and Power Quality (EA4EPQ)
CitationINTERNATIONAL CONFERENCE ON RENEWABLE ENERGIES AND POWER QUALITY, Sevilha, Espanha, 2007 – “Proceedings of the International Conference on Renewable Energies and Power Quality : ICREPQ’07” [CD-ROM]. Sevilha : EA4EPQ, 2007. ISBN 978-84-611-4707-6.
Abstract(s)This paper presents a single-phase shunt active filter designed to minimize problems related to power quality in electrical systems. The power stage of the active filter is based on a two-leg full-bridge inverter, with a single capacitor in the dc side, and a filter inductor in the ac side. The control system is based on the instantaneous power theory in the α-β-0 reference frame (pq-theory), derived to be applied in single-phase systems. In essence, the shunt active filter is designed to drain, from the electric grid, harmonic and reactive components of the load currents, such that the system current will become, basically, a sinusoidal waveform, with low harmonic distortion, and in phase with the system voltage. Simulation results of the shunt active filter operating with three different loads are presented in order to verify its performance.
TypeConference paper
AccessOpen access
Appears in Collections:DEI - Artigos em atas de congressos internacionais

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