Abstract

The main purposes of this paper consist of two parts: Firstly, the geometric topology of novel modular spoke-type permanent-magnet (MSTPM) machines with different magnetization modes are introduced. Secondly, based on magnetic field modulation (MFM) analysis and finite element method (FEM), the influence of magnetization on MSTPM machines are investigated with respect to field harmonic, combination of slots and poles, winding factor, back electromotive force (EMF), inductance, eletromagnetic torque, and so on. A prototype machine is manufactured to verify the MFM and FEM predicted results.

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