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Analysis of a PM Machine with Concentrated Fractional Pitch Windings
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| Author(s) |
F. Magnussen; D. Svechkarenko; P. Thelin; C. Sadarangani |
| Abstract |
Permanent magnet machines with concentrated
fractional pitch windings for servo and traction applications are
growing in popularity. This paper deals with analysis of a novel
synchronous permanent magnet machine using concentrated
windings and grain-oriented and non-oriented silicon iron sheets
for the teeth and yoke, respectively. Parasitic effects like
unbalanced radial forces and alternating magnetic fields in the
rotor, due to a non-symmetrical magnetic design of the presented
machine, are described. Measurements on a laboratory prototype
are performed and the results are compared to finite element
method computation results to identify the heat transfer
coefficients of the electrical machine. |
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| Filename: | Unnamed file |
| Filesize: | 569.5 KB |
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| Type |
Members Only |
| Date |
Last modified 2006-01-25 by System |
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