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Iron losses in salient permanent magnet machines at field-weakening operation: COVERING THEORY TO PRACTICE
KTH, School of Electrical Engineering (EES), Electrical Machines and Power Electronics (closed 20110930).
KTH, Superseded Departments, Electrical Systems.
KTH, Superseded Departments, Electrical Systems.ORCID iD: 0000-0002-8990-3745
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2004 (English)In: CONFERENCE RECORD OF THE 2004 IEEE INDUSTRY APPLICATIONS CONFERENCE, VOLS 1-4: COVERING THEORY TO PRACTICE, NEW YORK, NY: IEEE , 2004, 40-47 p.Conference paper, Published paper (Refereed)
Abstract [en]

Permanent magnet machines for electric vehicles are often designed with a magnetic saliency to improve the torque generation as a result of the reluctance torque at field-weakening operation. The armature reaction is pronounced in such operation, leading to extensive magnetic field harmonics in the teeth and consequently iron losses. This paper analyses the iron losses in two designed machine topologies, inset and interior permanent magnet rotor structures, by measurements and finite element method computations. The measurements and calculations are performed on three prototypes-one with an in set design and two with an equal interior design, but different laminated stator core sheet thickness of 0,35 and 0,20 mm, respectively. The three machines have the same stator designs and water-cooled housings.

Place, publisher, year, edition, pages
NEW YORK, NY: IEEE , 2004. 40-47 p.
Series
IEEE INDUSTRY APPLICATIONS SOCIETY ANNUAL MEETING, ISSN 0197-2618
Keyword [en]
permanent magnet machines, iron losses, inset, interior, field-weakening, electric vehicles
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-44005DOI: 10.1109/IAS.2004.1348386ISI: 000225148600006Scopus ID: 2-s2.0-11144343761ISBN: 0-7803-8486-5 (print)OAI: oai:DiVA.org:kth-44005DiVA: diva2:449098
Conference
9th Annual Meeting of the IEEE-Industry-Applications-Society, Seattle, WA, USA, OCT 03-07, 2004
Note

QC 20141212

Available from: 2011-10-19 Created: 2011-10-19 Last updated: 2014-12-12Bibliographically approved

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Soulard, Juliette

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Magnussen, FreddyChin, Yung-KangSoulard, JulietteEriksson, Sture J ASadarangani, Chandur
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