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Electromagnetic Performance Analysis of Hybrid-Excited Flux-Switching Machines by a Nonlinear Magnetic Network Model

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4 Author(s)
Wei Hua ; Sch. of Electr. Eng., Southeast Univ., Nanjing, China ; Gan Zhang ; Ming Cheng ; Jianning Dong

In this paper, a nonlinear magnetic network model (NMNM) is proposed to predict the electromagnetic performance of a hybrid-excitation flux-switching (HEFS) machine, in which the modeling of the magnetic motive forces (MMF) due to field windings is specifically investigated. The proposed NMNM enables the predictions of air-gap flux-density distributions, flux linkage, back-electromotive force (back-EMF), and inductances of both armature and field windings under different excitation conditions, including pure magnets, pure field currents, and hybrid excitations. The predicted results from the NMNM model are validated by 2-D finite element analysis.

Published in:

IEEE Transactions on Magnetics  (Volume:47 ,  Issue: 10 )