Analysis of iron loss in interior PM machines with distributed windings under deep field weakening
Date
2015
Authors
Tang, C.
Soong, W.
Jahns, T.
Ertugrul, N.
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IEEE Transactions on Industry Applications, 2015; 51(5):3761-3772
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Chun Tang, Wen L. Soong, Thomas M. Jahns, and Nesimi Ertugrul
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Abstract
This paper investigates the rotor cavity positioning and the combination of stator slot and rotor effective slot number on the eddy-current loss for interior permanent-magnet/reluctance machines operating under deep field-weakening conditions. A new closed-form expression for the stator and rotor eddy-current loss is developed. The optimal barrier-positioning for the minimum total loss and the effect on the eddy-current loss of varying the stator slot and rotor effective slot number are investigated for one-, two-, three-, and full-layered rotors.
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© 2015 I EEE. Personal use is permitted, but republication/redistribution requires IEEE permission. See http://www.ieee.org/publications_standards/publications/rights/index.html for more information.