A general modelling technique for a triple redundant 3x3-phase PMA SynRM

Abstract

A general modelling technique is proposed for a triple redundant 3x3-phase permanent magnet assisted synchronous reluctance machine (PMA SynRM). The magneto-motive force (MMF) of the machine is divided into three parts each associated with one 3-phase set. The MMF of each 3-phase set can be described by four variables: d- and q-axis components of the currents, the rotor angle and an MMF offset component which captures the mutual coupling between three 3-phase sets. Therefore the complete machine behavior in all operating conditions can be captured by means of 4-dimensional (4D) tables, which store the flux linkage and torque information. The 4D tables are produced by finite element (FE) analysis for one 3-phase set. As a result, the machine behavior can be predicted by interpolating the 4D tables. The model is capable of representing healthy and fault operations, including unequal current operation in three 3- phase sets, and offers great flexibility for performance assessment, post fault control and fault detection. Its effectiveness is verified by extensive FE simulation and experimental tests in different operation modes.

Metadata

Item Type:	Article
Authors/Creators:	Wang, B. Wang, J. Griffo, A. https://orcid.org/0000-0001-5642-2921 Sen, B.
Copyright, Publisher and Additional Information:	© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, 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 components of this work in other works. Reproduced in accordance with the publisher's self-archiving policy.
Keywords:	Fault tolerant; fault modelling; permanent magnet assisted synchronous reluctance machine; multi-phase machine; magneto-motive force; MMF reconstruction
Dates:	Published: November 2018 Published (online): 15 January 2018 Accepted: 28 December 2017
Institution:	The University of Sheffield
Academic Units:	The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Electronic and Electrical Engineering (Sheffield)
Funding Information:	Funder Grant number ENGINEERING AND PHYSICAL SCIENCE RESEARCH COUNCIL (EPSRC) EP/K034987/1
Depositing User:	Symplectic Sheffield
Date Deposited:	19 Jan 2018 12:16
Last Modified:	26 Aug 2020 14:17
Status:	Published
Publisher:	Institute of Electrical and Electronics Engineers
Refereed:	Yes
Identification Number:	10.1109/TIE.2018.2793229
Open Archives Initiative ID (OAI ID):	oai:eprints.whiterose.ac.uk:126262

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A general modelling technique for a triple redundant 3x3-phase PMA SynRM

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