Magnetic field comparison of 6/4 and 8/6 switched reluctance motor by using the 3-D finite element method

Author(s): S. Son-in, T. Kulworawanichpong, P. Pao-la-or
School of Electrical Engineering, Suranaree University of Technology, Nakhonratchasima, Thailand
International Journal of Smart Grid and Clean Energy, vol. 9, no. 1, January 2020: pp. 33-43
ISSN: 2315-4462 (Print)
ISSN: 2373-3594 (Online)
Digital Object Identifier: 10.12720/sgce.9.1.33-43

Abstract: Magnetic field is a crucial point for studying the behavior of switched reluctance motor (SRM) of electric vehicle (EV). Nowadays the pollution of the environment is increasing, which one of the problems is air pollution from vehicles. Hence, to reduce air pollution, EVs are another option. This paper presents a mathematical model of SRM, and it is confirmed the validity by using the three-dimensional finite element method (3-D FEM), which has developed in MATLAB. 3-D FEM is being used to determine magnetic field distribution in and around the SRMs. Moreover, this paper discusses the distribution of the magnetic field acting on the stator teeth around the air-gap. The simulation results compare for two types of three-phase 6/4 poles SRM and four-phase 8/6 poles SRM.

Keywords: Switched reluctance motor (SRM), 3-D finite element method (3-D FEM), electrical vehicle (EV), magnetic field, radial force
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