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Investigation of the dq -Equivalent Model for Performance Prediction of Flux-Switching Synchronous Motors With Segmented Rotors

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3 Author(s)
Ackim Zulu ; School of Engineering, University of Zambia, Lusaka, Zambia ; Barrie C. Mecrow ; Matthew Armstrong

An equivalent dq model of three-phase flux-switching synchronous motors employing a segmental rotor is constructed and tested for predicting steady-state performance. Both the wound-field and permanent-magnet excited motors are represented. The unconventional topologies of the two types of motors present significant departure from the basic assumptions of the dq theory, even though the motors may be operated from a drive incorporating generic dq control regimes. The equivalent dq inductances and flux linkages are calculated from finite-element simulation results and applied in predicting the steady-state performance of the motor. It is found that the credibility of the dq model to predict the performance of the motors over the operating range is assured and is enhanced by incorporating dq-coupling inductances in the model.

Published in:

IEEE Transactions on Industrial Electronics  (Volume:59 ,  Issue: 6 )