Title :
Comparison of Five Topologies for an Interior Permanent-Magnet Machine for a Hybrid Electric Vehicle
Author :
Aimeng Wang ; Yihua Jia ; Soong, Wen
Author_Institution :
Dept. of Electr. Eng., North China Electr. Power Univ., Baoding, China
Abstract :
This paper presents a detailed comparison of the characteristics of five different rotor topologies for a distributed winding permanent-magnet (PM) machine for high-performance traction applications, including hybrid electric vehicles. These rotor topologies include one surface PM topology and four single-layer interior PM topologies (conventional, segmented, V shape, and W̅ shape). The performance characteristics, which include the back-electromotive force and its harmonics, magnet mass, iron loss, and ripple torque are compared and analyzed. A 7.5-kW interior permanent-magnetic (IPM) prototype using the conventional rotor topology was tested and the finite-element analysis results were compared. The aim of the paper is to give some guidance and reference for machine designers who are interested in IPM machine selection for high-performance traction applications.
Keywords :
electric potential; finite element analysis; hybrid electric vehicles; permanent magnet machines; rotors; traction motors; IPM machine selection; back-electromotive force; conventional rotor topology; distributed winding permanent-magnet machine; finite-element analysis; harmonics; high-performance traction applications; hybrid electric vehicles; interior permanent-magnet machine; interior permanent-magnetic prototype; iron loss; machine design; magnet mass; power 7.5 kW; ripple torque; rotor topologies; single-layer interior PM topologies; surface PM topology; Inductance; Magnetic separation; Permanent magnet motors; Rotors; Saturation magnetization; Topology; Torque; Finite-element analysis (FEA); flux weakening; interior permanent-magnet machines; traction machines;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2011.2157097
