DocumentCode
1543024
Title
Eddy-current losses of surface-mounted permanent-magnet motors
Author
Rabinovici, R. ; Miller, T.J.E.
Author_Institution
Dept. of Electr. & Comput. Eng., Ben-Gurion Univ. of the Negev, Beer-Sheva, Israel
Volume
144
Issue
1
fYear
1997
fDate
1/1/1997 12:00:00 AM
Firstpage
61
Lastpage
64
Abstract
The paper presents an analytical method for estimating the eddy-current losses of surface-mounted permanent-magnet motors under load conditions. These losses are related to a fictitious voltage induced in a one-turn coil wound around a stator tooth. A simple method of calculating part of the load currents for this voltage is described. It is shown that only the windings found in adjacent slots to the stator tooth considered contribute to it. Waveforms of this fictitious voltage, including the load current effects, are shown. They illustrate the increase of eddy-current losses with motor load, particularly in conditions of advanced commutation
Keywords
commutation; eddy current losses; load (electric); machine theory; permanent magnet motors; stators; advanced commutation; eddy-current loss estimation; load conditions; load currents; one-turn coil; stator tooth; surface-mounted PM motors; voltage waveforms; windings;
fLanguage
English
Journal_Title
Electric Power Applications, IEE Proceedings -
Publisher
iet
ISSN
1350-2352
Type
jour
DOI
10.1049/ip-epa:19970762
Filename
583370
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