Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/44793
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Type: | Conference paper |
Title: | Reducing iron loss in interior PM machines under field-weakening conditions |
Author: | Soong, W. Han, S. Barnett, F. Ertugrul, N. |
Citation: | Industry Applications Conference. IAS Annual Meeting. Conference Record of the 2007 IEEE, 23-27 September, 2007 :pp.111-118 |
Publisher: | IEEE |
Publisher Place: | CDROM |
Issue Date: | 2007 |
Series/Report no.: | IEEE Industry Applications Society Annual Meeting |
ISBN: | 1424403642 9781424412594 |
ISSN: | 0197-2618 |
Conference Name: | IEEE Industry Applications Conference. IAS Annual Meeting (42nd : 2007 : New Orleans, USA) |
Editor: | Nondahl, T. |
Statement of Responsibility: | W.L. Soong, S.H. Han, T.M. Jahns and N. Ertugrul |
Abstract: | Field-weakening in interior PM machines is performed by using negative rf-axis current to oppose the magnet flux and hence reduce the total fundamental rf-axis flux at high speeds. Due to the rotor saliency, the rf-axis current produces large amplitude harmonic airgap flux density components which can cause large harmonic stator iron losses. Reducing the magnet flux density reduces the required rf-axis stator mmf to oppose it and hence reduces the field-weakening iron losses. However reducing the magnet flux density also reduces the magnet torque and hence increases the stator current requirement, particularly at lower speeds. This paper examines this trade-off for an automotive integrated starter/alternator using a graphical interior PM machine parameter plane approach. |
Rights: | © 2008 IEEE. All Rights Reserved. |
DOI: | 10.1109/IAS.2007.3 |
Appears in Collections: | Aurora harvest 6 Electrical and Electronic Engineering publications Environment Institute publications |
Files in This Item:
File | Description | Size | Format | |
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hdl_44793.pdf | 426.78 kB | Author's pre-print | View/Open |
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