Design and optimisation of interior PM machines with distributed and fractional-slot concentrated-windings for hybrid electric vehicles
by Aimeng Wang; Hui Wang; W.L. Soong
International Journal of Vehicle Design (IJVD), Vol. 69, No. 1/2/3/4, 2015

Abstract: This paper presents an optimisation of an interior permanent magnet (PM) machine with fractional-slot concentrated-windings (FSCW) based on a machine with integer-slot distributed windings (ISDW), and a performance comparison between the two machines for use in hybrid electric vehicles. Finite element analysis (FEA) is used to investigate the characteristics of the two machines which have the same dimensions and rated power. The effect of the number of slots on the back-EMF, cogging torque, d- and q-axis inductances and efficiency is analysed for the two machines. The measured results have good agreement with the FEA results.

Online publication date: Fri, 20-Nov-2015

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