Optimal Current Setpoints for Five-Phase Induction Motor Drive

Maximum torque per current (MTPA) and other optimal curves have been recently extended to multiphase machines. Since multiphase machines have more degrees of freedom than their three-phase counterparts, the solution exhibits many more regimes of optimal control. In this paper, we study the optimal c...

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Bibliographic Details
Main Authors: Laksar, Jan, Smidl, Vaclav, Komrska, Tomas, Adam, Lukas
Format: Conference Proceeding
Language:English
Subjects:
current waveform
Harmonic analysis
harmonic components
Induction machines
multiphase machines
optimal current
Optimization
Permanent magnets
Power electronics
Rotors
Surface waves
Synchronous machines
Taxonomy
Torque
voltage waveform
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Summary:Maximum torque per current (MTPA) and other optimal curves have been recently extended to multiphase machines. Since multiphase machines have more degrees of freedom than their three-phase counterparts, the solution exhibits many more regimes of optimal control. In this paper, we study the optimal current setpoints for a five-phase induction machine. Due to missing flux from permanent magnets, the operating regimes differ from those of synchronous machines. Namely, the optimal position of the third harmonic is often symmetric with the first. Hence, the number of regimes is lower than that of the synchronous machine.
ISSN:2473-0165
DOI:10.1109/PEMC61721.2024.10726362