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Type: Conference paper
Title: An analyical design approach for reducing stator iron losses in interior PM synchronous machines during flux-weakening operation
Author: Han, S.
Soong, W.
Jahns, T.
Citation: Conference Record of the 2007 IEEE Industry Applications Conference. 42nd IAS Annual Meeting, 23-27 September 2007: pp.103-110
Publisher: IEEE
Publisher Place: CDROM
Issue Date: 2007
ISBN: 9781424412594
Conference Name: IEEE Industry Applications Conference. IAS Annual Meeting (42nd : 2007 : New Orleans, USA)
Statement of
Seok-Hee Han Soong, W.L. and Jahns, T.M.
Abstract: Interior permanent magnet (IPM) synchronous machines are vulnerable to generating unacceptably large stator iron losses during flux-weakening operation at elevated speeds. The purpose of this paper is to present a new analytical design approach to reduce the stator iron losses in IPM machines with multiple flux barriers during flux-weakening operation. The proposed technique achieves this objective by: (1) designing the rotor to minimize the total harmonic distortion (THD) of the spatial distribution of the rotor scalar magnetic potential (mmf); and (2) coupling the rotor with an appropriate stator configuration to suppress undesirable higher-order harmonics in the stator as much as possible. An analytical design method is presented to synthesize the "minimum-THD" rotor with multiple flux barriers. Finite element analysis is used to demonstrate that the application of this design technique can lead to a substantial reduction of the stator iron losses during flux-weakening operation.
Rights: © Copyright 2008 IEEE
RMID: 0020075353
DOI: 10.1109/07IAS.2007.36
Appears in Collections:Electrical and Electronic Engineering publications
Environment Institute publications

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