Finite Control Set—Model Predictive Control with Non-Spread Spectrum and Reduced Switching Frequency Applied to Multi-Cell Rectifiers

Eduardo Espinosa, José Espinoza, Pedro Melín, Jaime Rohten, Carlos Baier and Marcelo Reyes
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Eduardo Espinosa: Department of Electrical Engineering, Faculty of Engineering, Universidad Católica de la Santísima Concepción, Concepción 4090541, Chile
José Espinoza: Department of Electrical Engineering, Universidad de Concepción, Concepción 4070386, Chile
Pedro Melín: Department of Electrical and Electronic Engineering, Universidad del Bío-Bío, Concepción 4051381, Chile
Jaime Rohten: Department of Electrical and Electronic Engineering, Universidad del Bío-Bío, Concepción 4051381, Chile
Carlos Baier: Department of Electrical Engineering, Universidad de Talca, Curicó 3340000, Chile
Marcelo Reyes: Department of Electrical and Electronic Engineering, Universidad del Bío-Bío, Concepción 4051381, Chile

Energies, 2021, vol. 14, issue 19, 1-15

Abstract: Multi-cell converters are widely used in medium-voltage AC drives. This equipment is based on power cells that operate with low-voltage-rating semiconductors and require an input multipulse transformer. This transformer cancels the low-frequency current harmonics generated by the three-phase diode-based rectifier. Unfortunately, this transformer is bulky, heavy, expensive, and does not extend the existing power cell (three-phase rectifier—Direct Current (DC) voltage-link—single-phase inverter) to the transformer. In this study, a harmonic cancelation method based on finite control set-model predictive control (FCS–MPC), extending the power cell’s modularity to the input transformer. On the other hand, it considers treating the two disadvantages of the FCS–MPC: High switching frequency and spread spectrum. The details were developed in theory and practice to obtain satisfactory experimental results.

Keywords: predictive control; AFE rectifiers; total harmonic distortion minimization (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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