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Computer-aided modeling and experimental verification of the performance of power conditioner operated permanent magnet brushless DC motors including rotor damping effects

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2 Author(s)
T. M. Hijazi ; Clarkson Univ., Potsdam, NY, USA ; N. A. Demerdash

A model is presented for computer-aided prediction of performance of permanent-magnet brushless DC motors, including effects of rotor damping due to metallic retainment sleeves. The computer-generated parameters given by N.A. Demerdash et al. (ibid., vol.3, see p.705-13, 1988) are used in a model formulated entirely in the natural abc frame of reference. This avoids the complication of transformation from one frame of reference to another, and hence this approach enables one to incorporate all insignificant harmonic effects due to any saliency and slotting. The development of the model in the natural abc frame of reference also facilitates the integration of the machine and the electronic power conditioner into one all-encompassing equivalent network model for the entire business DC motor system. The validity of the model was verified by applying it to the prediction of the performance of a 15 hp, 120 V, 6-pole, samarium-cobalt permanent-magnet brushless DC motor and comparing the digital simulation results with the corresponding test data for this motor system

Published in:

IEEE Transactions on Energy Conversion  (Volume:3 ,  Issue: 3 )