Magnetic field and core loss evaluation of ALA-motor synchronous reluctance machines taking into account material anisotropy

Author

Isaac, F.N. ; Arkadan, A.A. ; El-Antably, A.

Author_Institution

Dept. of Electr. & Comput. Eng., Marquette Univ., Milwaukee, WI, USA

Volume

34

Issue

5

fYear

1998

fDate

9/1/1998 12:00:00 AM

Firstpage

3507

Lastpage

3510

Abstract

Currently, much attention is paid to the behavior of thin laminations of anisotropic soft magnetic materials with respect to magnetization out of the easy axis. A method for analyzing flux distribution and loss calculation is proposed for electric machines exhibiting strong material and `structural´ anisotropy. The method takes into account the curvature in anisotropic and composite flux barrier regions by introducing equivalent reluctivities. The results of a case study on an axially laminated anisotropic (ALA) rotor of a synchronous reluctance motor (SynRM) are presented

Keywords

finite element analysis; laminations; losses; machine theory; magnetic anisotropy; magnetic cores; magnetic fields; magnetic flux; reluctance motors; rotors; soft magnetic materials; axially laminated anisotropic rotor synchronous reluctance motor; equivalent reluctivities; magnetic core loss evaluation; magnetic field evaluation; material anisotropy; structural anisotropy; thin laminations; Anisotropic magnetoresistance; Core loss; Electric machines; Lamination; Magnetic analysis; Magnetic fields; Magnetic materials; Magnetization; Rotors; Soft magnetic materials;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.717827

Filename

717827