Flux-linkage calculation in permanent-magnet motors using the frozen permeabilities method

Author

Walker, Jill Alison ; Dorrell, David G. ; Cossar, Calum

Author_Institution

Dept. of Electron. & Electr. Eng., Glasgow Univ., UK

Volume

41

Issue

10

fYear

2005

Firstpage

3946

Lastpage

3948

Abstract

Finite-element analysis can be used to determine the magnetization characteristics in terms of curves of flux-linkage against current or rotor position. The "frozen permeabilities" technique is presented as a method of apportioning flux-linkage contributions to the phase currents and permanent magnets, and for inductance calculations. Results from a split-phase interior permanent magnet motor are presented and compared with experimental data. Drawbacks to the method are discussed.

Keywords

finite element analysis; magnetic flux; magnetisation; permanent magnet motors; permanent magnets; finite element analysis; flux-linkage calculation; frozen permeabilities method; inductance calculations; magnetization characteristics; permanent magnet motors; phase currents; Finite element methods; Iron; Magnetic flux; Magnetic separation; Magnetization; Permanent magnet motors; Permeability; Rotors; Synchronous motors; Testing; Electric machines; finite-element (FE) calculations; permanent magnets; time-dependent magnetic fields;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2005.854973

Filename

1519497