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Open AccessArticle

Multivariable Deadbeat Control of Power Electronics Converters with Fast Dynamic Response and Fixed Switching Frequency

1
Department of Electrical and Electronic Engineering, Universidad Del Bío-Bío, Avenida Collao 1202, 4051381 Concepción, Chile
2
Department of Electrical and Electronic Engineering, University Park, University of Nottingham, Nottingham NG7 2RD, UK
3
Department of Electrical Computer and Biomedical Engineering, University of Pavia, Via A. Ferrata 5, 27100 Pavia, Italy
4
Department of Electrical Engineering, Universidad de Talca, Camino Los Niches Km. 1, 3340000 Curicó, Chile
5
Department of Electrical Engineering, Universidad de Concepción, Victor Lamas 1290, 4070386 Concepción, Chile
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Energies 2021, 14(2), 313; https://doi.org/10.3390/en14020313
Received: 30 November 2020 / Revised: 24 December 2020 / Accepted: 5 January 2021 / Published: 8 January 2021
(This article belongs to the Special Issue Advances in Electric Drives and Power Electronics Fields)
Power converters have turned into a critical and every-day solution for electric power systems. In fact, the incorporation of renewable energies has led towards the constant improvement of power converter topologies and their controls. In this context, over the last 10 years, model predictive control (MPC) is positioned as one the most studied and promising alternatives for power converter control. In voltage source inverters (VSI), MPC has only been applied in the inner current control loop, accelerating and improving its dynamic response, but as mentioned, has been limited only to the current control loop. The fastest of the MPC techniques is the Deadbeat (DB) control, and in this paper, it is proposed to employ DB control on the entire system, therefore accelerating the time response not only for the current loops, but also for voltage loops. At the same time, this avoids overshoots and overpower in order to protect the power converter, leading to the fastest dynamic response according to VSI capabilities. For renewable energies, fast-dynamics entails fast maximum power tracking and therefore, maximizes energy harvesting, or in other words, reduces the losses due to the control dynamics. Thus, this paper gives a clear procedure and key points for designing a DB control for all the variables based on a mathematical model, which is corroborated by simulations and the experimental results. View Full-Text
Keywords: model predictive control; soft deadbeat algorithm; power converters; energy management model predictive control; soft deadbeat algorithm; power converters; energy management
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MDPI and ACS Style

Rohten, J.A.; Dewar, D.N.; Zanchetta, P.; Formentini, A.; Muñoz, J.A.; Baier, C.R.; Silva, J.J. Multivariable Deadbeat Control of Power Electronics Converters with Fast Dynamic Response and Fixed Switching Frequency. Energies 2021, 14, 313. https://doi.org/10.3390/en14020313

AMA Style

Rohten JA, Dewar DN, Zanchetta P, Formentini A, Muñoz JA, Baier CR, Silva JJ. Multivariable Deadbeat Control of Power Electronics Converters with Fast Dynamic Response and Fixed Switching Frequency. Energies. 2021; 14(2):313. https://doi.org/10.3390/en14020313

Chicago/Turabian Style

Rohten, Jaime A.; Dewar, David N.; Zanchetta, Pericle; Formentini, Andrea; Muñoz, Javier A.; Baier, Carlos R.; Silva, José J. 2021. "Multivariable Deadbeat Control of Power Electronics Converters with Fast Dynamic Response and Fixed Switching Frequency" Energies 14, no. 2: 313. https://doi.org/10.3390/en14020313

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