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A Novel Matrix Transformation for Decoupled Control of Modular Multiphase PMSM Drives

Rubino, S, Dordevic, O, Bojoi, R, Armando, E and Levi, E A Novel Matrix Transformation for Decoupled Control of Modular Multiphase PMSM Drives. IEEE Transactions on Power Electronics. ISSN 0885-8993 (Accepted)

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Abstract

When multiphase drives are used for specific applications, the modular solutions are preferred as they use consolidated power electronics technologies. The literature reports two modeling approaches for multiphase machines having a modular configuration of the stator winding. The first approach is the vector space decomposition (VSD) that models the energy conversion like an equivalent three-phase machine. The main alternative to the VSD is the multi-stator (MS) modeling that emphasizes machine modularity in terms of torque production. Both approaches have advantages and disadvantages for multiphase machines with a modular structure. Therefore, this paper aims to combine the VSD and MS approaches, defining a new matrix transformation and hence developing a new modeling approach for multiphase machines with a modular structure. The proposed transformation allows a decoupled and independent torque control of the sets composing the machine, preserving the torque regulation's modularity. Together with a new vector control scheme, it has been applied to a modular permanent magnet synchronous machine (PMSM) with a non-standard spatial shift between windings. Experimental results are presented for a nine-phase PMSM prototype with a triple-three-phase stator winding configuration.

Item Type: Article
Additional Information: © 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Uncontrolled Keywords: 0906 Electrical and Electronic Engineering
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering
Divisions: Civil Engineering & Built Environment
Publisher: IEEE
Date Deposited: 01 Dec 2020 11:07
Last Modified: 01 Dec 2020 11:15
URI: https://researchonline.ljmu.ac.uk/id/eprint/14108

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