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Representation of skew in time-stepped two-dimensional finite-element models of electrical machines

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3 Author(s)
S. Williamson ; Dept. of Eng., Cambridge Univ., UK ; T. J. Flack ; A. F. Volschenk

The authors outline a technique which enables two-dimensional finite-element analysis to be applied to skewed machines. It involves representing the continuous skewing in a series of discrete steps. Each step may be modeled in two dimensions. The model has been applied to a salient-pole synchronous generator and to a cage induction motor. It is shown that the model is successful in removing phantom slot-ripples from the current and voltage waveforms

Published in:

IEEE Transactions on Industry Applications  (Volume:31 ,  Issue: 5 )