On the use of the magnetic vector potential for the nonlinear numerical computation of space dependent reactances of a switched reluctance machine

Author

Grabner, Christian ; Schmidt, Erich

Author_Institution

Inst. of Electr. Machines & Drives, Graz Univ. of Technol., Austria

Volume

1

fYear

2003

fDate

4-7 May 2003

Firstpage

475

Abstract

An efficient finite element analysis of an electrical switched reluctance machine considering various angular rotor positions is proposed. The finite element model is divided into distinct stator and rotor parts. The utilization of floating potentials on the sliding surface between the independent parts allows for the modeling of fully arbitrary rotor positions without any remeshing even with periodic boundary conditions. 2D and 3D nonlinear numerical field calculations are carried out for the total electromagnetic flux. Subsequently, the position dependent reactances are obtained from a numerical implementation of the nonlinear magnetic energy.

Keywords

finite element analysis; magnetic flux; reluctance machines; rotors; stators; angular rotor; arbitrary rotor positions; distinct stator; electromagnetic flux; finite element analysis; floating potentials utilization; magnetic vector potential; nonlinear magnetic energy; nonlinear numerical computation; numerical field calculations; sliding surface; space dependent reactances; switched reluctance machine; Boundary conditions; Electromagnetic fields; Electromagnetic modeling; Finite element methods; Magnetic analysis; Magnetic flux; Magnetic switching; Nonlinear magnetics; Reluctance machines; Stators;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical and Computer Engineering, 2003. IEEE CCECE 2003. Canadian Conference on

ISSN

0840-7789

Print_ISBN

0-7803-7781-8

Type

conf

DOI

10.1109/CCECE.2003.1226441

Filename

1226441