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Energies 2017, 10(10), 1553; https://doi.org/10.3390/en10101553

Finite Control Set Model Predictive Control for a Three-Phase Shunt Active Power Filter with a Kalman Filter-Based Estimation

1
Department of Automatic Control, Universitat Politècnica de Catalunya, 08800 Barcelona, Spain
2
Department of Electronic Engineering, Universitat Politècnica de Catalunya, 08800 Barcelona, Spain
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 15 September 2017 / Revised: 4 October 2017 / Accepted: 6 October 2017 / Published: 10 October 2017
(This article belongs to the Special Issue Control and Communication in Distributed Generation Systems)
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Abstract

In this paper, the finite control set model predictive control is combined with the vector operation technique to be applied in the control of a three-phase active power filter. Typically, in the finite control set technique applied to three-phase power converters, eight different vectors are considered in order to obtain the optimum control signal by minimizing a cost function. On the other hand, the vector operation technique is based on dividing the grid voltage period into six different regions. The main advantage of combining both techniques is that for each region the number of possible voltage vectors to be considered can be reduced to a half, thus reducing the computational load employed by the control algorithm. Besides, in each region, only two phase-legs are switching at high frequency while the remaining phase-leg is maintained to a constant dc-voltage value during this interval. Accordingly, a reduction of the switching losses is obtained. Unlike the typical model predictive control methods which make use of the discrete differential equations of the converter, this method considers a Kalman filter in order to improve the behavior of the closed-loop system in noisy environments. Selected experimental results are exposed in order the demonstrate the validity of the control proposal. View Full-Text
Keywords: model predictive control; vector operation; active power filter model predictive control; vector operation; active power filter
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Guzmán, R.; García de Vicuña, L.; Castilla, M.; Miret, J.; Camacho, A. Finite Control Set Model Predictive Control for a Three-Phase Shunt Active Power Filter with a Kalman Filter-Based Estimation. Energies 2017, 10, 1553.

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