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Open AccessArticle

Finite Control Set MPC with Fixed Switching Frequency Applied to a Grid Connected Single-Phase Cascade H-Bridge Inverter

1
Electrical Engineering Deparment, University of Talca, Curicó 3340000, Chile
2
Electrical Engineering Deparment, University of Concepción, Concepción 4030000, Chile
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Energies 2020, 13(20), 5475; https://doi.org/10.3390/en13205475
Received: 8 September 2020 / Revised: 7 October 2020 / Accepted: 14 October 2020 / Published: 20 October 2020
(This article belongs to the Special Issue Control and Topologies of Grid Connected Converters)
Finite control set model predictive control (FCS-MPC) has been widely investigated in recent years due to its ability to handle optimization problems with multiple control objectives in a diverse variety of systems. Moreover, its direct implementation in digital-based systems has made it an attractive strategy in static power converter applications. However, its characteristics such as variable switching frequency and spread harmonic spectrum limit the use of standard MPC due to power losses, audible noise, steady-state performance, and resonances. To mitigate these problems and extend the FCS-MPC applications to new areas, this paper proposes a new hybrid predictive control scheme, capable of achieving a harmonic spectrum distribution similar to that obtained with a pulse-width modulation scheme. The proposed strategy is based on a system model to generate an optimization, and, at the same time, an input restriction in the cost function of the standard FCS-MPC. This new approach is validated through experimental tests carried out in a grid-connected Cascaded H-bridge inverter. View Full-Text
Keywords: FCS-MPC; switching frequency; predictive control; spread spectrum; grid connected inverters FCS-MPC; switching frequency; predictive control; spread spectrum; grid connected inverters
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MDPI and ACS Style

Ramírez, R.O.; Baier, C.R.; Espinoza, J.; Villarroel, F. Finite Control Set MPC with Fixed Switching Frequency Applied to a Grid Connected Single-Phase Cascade H-Bridge Inverter. Energies 2020, 13, 5475. https://doi.org/10.3390/en13205475

AMA Style

Ramírez RO, Baier CR, Espinoza J, Villarroel F. Finite Control Set MPC with Fixed Switching Frequency Applied to a Grid Connected Single-Phase Cascade H-Bridge Inverter. Energies. 2020; 13(20):5475. https://doi.org/10.3390/en13205475

Chicago/Turabian Style

Ramírez, Roberto O.; Baier, Carlos R.; Espinoza, José; Villarroel, Felipe. 2020. "Finite Control Set MPC with Fixed Switching Frequency Applied to a Grid Connected Single-Phase Cascade H-Bridge Inverter" Energies 13, no. 20: 5475. https://doi.org/10.3390/en13205475

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