Modular Vector Control of Multi-Three-Phase Permanent Magnet Synchronous Motors

Recent developments in power electronics are making the multiphase machines a competitive alternative to the conventional three-phase counterparts. Due to their fault-tolerant features, multiphase drives represent a robust technology in high-power/high-current, safety-critical applications. Besides,...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2021-10, Vol.68 (10), p.9136-9147
Main Authors: Rubino, Sandro, Dordevic, Obrad, Bojoi, Radu, Levi, Emil
Format: Article
Language:English
Subjects:
Couplings
Directional control
Electrification
Fault tolerance
Magnetic flux
Magnetism
Mathematical model
Modular current control
multi-three-phase drives
Multiphase
multiphase machines
permanent magnet synchronous motors
Permanent magnets
Rotors
Safety critical
Stator windings
Synchronous motors
Torque
torque- and current-sharing
Windings
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Summary:Recent developments in power electronics are making the multiphase machines a competitive alternative to the conventional three-phase counterparts. Due to their fault-tolerant features, multiphase drives represent a robust technology in high-power/high-current, safety-critical applications. Besides, their introduction to transportation electrification is gaining importance. Among the multiphase solutions, the multi-three-phase machines are receiving a lot of attention by the industry since they use the well-consolidated three-phase technology, thus reducing the design time and also the cost. Therefore, this article proposes a modular vector control scheme for multi-three-phase permanent magnet synchronous motors. The proposed solution uses a modular modeling approach for the independent and decoupled torque control of each three-phase unit, allowing the implementation of torque-sharing strategies among the three-phase sets of the machine. The developed modular control has been validated on a nine-phase permanent magnet machine.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2020.3026271