Saturation and ducting effects in a brushless doubly-fed reluctance machine

Dorrell, DG; Knight, AM; Song, WK; Betz, RE

Saturation and ducting effects in a brushless doubly-fed reluctance machine

Dorrell, DG

Knight, AM Song, WK Betz, RE

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Publication Type:: Journal Article
Citation:: IEEE Transactions on Magnetics, 2013, 49 (7), pp. 3933 - 3936
Issue Date:: 2013-08-02

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Field	Value	Language
dc.contributor.author	Dorrell, DG https://orcid.org/0000-0001-8060-3386	en_US
dc.contributor.author	Knight, AM	en_US
dc.contributor.author	Song, WK	en_US
dc.contributor.author	Betz, RE	en_US
dc.date.issued	2013-08-02	en_US
dc.identifier.citation	IEEE Transactions on Magnetics, 2013, 49 (7), pp. 3933 - 3936	en_US
dc.identifier.issn	0018-9464	en_US
dc.identifier.uri	http://hdl.handle.net/10453/27220
dc.description.abstract	The brushless doubly-fed reluctance machine has two sets of stator windings of different pole number linked by a reluctance type of rotor. The rotor modulates the stator MMF from one winding so that flux links the other winding creating mutual coupling. This is still a research machine and the design methodology is under development. Past works indicates that a ducted rotor with radial laminations is best suited to be the reluctance rotor. In this paper the geometry of the rotor is investigated. If the ducts are too thin then the reluctance ratio is low and the coupling is affected. If they are too wide then the reluctance path for the coupling flux is high and the machine will saturate quickly. It is found, using finite element analysis, that the duct ratio should be about 38% from the results in the paper. This is in line with previous work on synchronous reluctance machines that can also use ducted rotors (although they use axial lamination which are inappropriate for this application). © 2013 IEEE.	en_US
dc.relation.ispartof	IEEE Transactions on Magnetics	en_US
dc.relation.isbasedon	10.1109/TMAG.2013.2251458	en_US
dc.subject.classification	Applied Physics	en_US
dc.title	Saturation and ducting effects in a brushless doubly-fed reluctance machine	en_US
dc.type	Journal Article
utslib.citation.volume	7	en_US
utslib.citation.volume	49	en_US
utslib.for	090699 Electrical and Electronic Engineering not elsewhere classified	en_US
utslib.for	02 Physical Sciences	en_US
utslib.for	09 Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access
pubs.issue	7	en_US
pubs.publication-status	Published	en_US
pubs.volume	49	en_US

Abstract:

The brushless doubly-fed reluctance machine has two sets of stator windings of different pole number linked by a reluctance type of rotor. The rotor modulates the stator MMF from one winding so that flux links the other winding creating mutual coupling. This is still a research machine and the design methodology is under development. Past works indicates that a ducted rotor with radial laminations is best suited to be the reluctance rotor. In this paper the geometry of the rotor is investigated. If the ducts are too thin then the reluctance ratio is low and the coupling is affected. If they are too wide then the reluctance path for the coupling flux is high and the machine will saturate quickly. It is found, using finite element analysis, that the duct ratio should be about 38% from the results in the paper. This is in line with previous work on synchronous reluctance machines that can also use ducted rotors (although they use axial lamination which are inappropriate for this application). © 2013 IEEE.

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http://hdl.handle.net/10453/27220