Optimization of Flux Switching Permanent Magnet Motor to enhance the traction of an Electric Vehicle

Abstract

There is a rising outcry of environmental pollution and the resulting effect of global warming caused by the use of fossil energies, there is a need for the introduction of highly efficient electric machines for propulsion and traction of the moving part with the increasing global acceptance of electric vehicles and advance machineries. This paper proposed a way to optimize the stator flux switching permanent magnet motor (FSPM) by the introduction of two dual slot additional rotors that are staged 180 degrees apart. The structure, electromagnetic properties and the phase direction of rotation of the proposed permanent magnet machine were investigated at different phase angle. Background study on the mode structure of establishing the proposed topology of one stator and two rotors instead of the conventional one rotor for the motor operation was done. With attention paid to the losses on the stator and rotor, finite element method was used to establish the structure of the proposed permanent magnet machine. The load simulation of the electromagnetic properties was investigated using FEMM 4.2 and Ansys Maxwell to show the advantages of the proposed machine topology to allowing higher electric loading to increase power density in electric vehicles.