Predictive-Fixed Switching Current Control Strategy Applied to Six-Phase Induction Machine

Osvaldo Gonzalez, Magno Ayala, Jesus Doval-Gandoy, Jorge Rodas, Raul Gregor and Marco Rivera
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Osvaldo Gonzalez: Laboratory of Power and Control Systems (LSPyC), Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay
Magno Ayala: Laboratory of Power and Control Systems (LSPyC), Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay
Jesus Doval-Gandoy: Applied Power Electronics Technology Research Group (APET), Universidad de Vigo, 363310 Vigo, Spain
Jorge Rodas: Laboratory of Power and Control Systems (LSPyC), Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay
Raul Gregor: Laboratory of Power and Control Systems (LSPyC), Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay
Marco Rivera: Laboratory of Energy Conversion and Power Electronics, Universidad de Talca, 3340000 Curicó, Chile

Energies, 2019, vol. 12, issue 12, 1-14

Abstract: In applications such as multiphase motor drives, classical predictive control strategies are characterized by a variable switching frequency which adds high harmonic content and ripple in the stator currents. This paper proposes a model predictive current control adding a modulation stage based on a switching pattern with the aim of generating a fixed switching frequency. Hence, the proposed controller takes into account the prediction of the two adjacent active vectors and null vector in the ( α - β ) frame defined by space vector modulation in order to reduce the ( x - y ) currents according to a defined cost function at each sampling period. Both simulation and experimental tests for a six-phase induction motor drive are provided and compared to the classical predictive control to validate the feasibility of the proposed control strategy.

Keywords: multiphase induction machine; model predictive control; fixed switching frequency (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: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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