Solution of a 3-D complex finite element model of skewed rotor induction motors using an iterative method

Author

Ho, S.L. ; Fu, W.N. ; Wong, H.C.

Author_Institution

Dept. of Electr. Eng., Hong Kong Polytech. Univ., Hong Kong

Volume

14

Issue

4

fYear

1999

fDate

12/1/1999 12:00:00 AM

Firstpage

1247

Lastpage

1252

Abstract

One of the difficulties of the three-dimensional (3-D) eddy current finite element methods is to solve large finite element equations economically. In this paper, a 3-D eddy-current finite element model using a four component formulation of complex variables to study skewed rotor induction motors is described. An iterative process among the four specific components during the solution of large algebraic equations is presented. The proposed method overcomes the nonconvergence problems when the ICCG method or the shifting ICCG method is used directly. The algorithm also requires much less computer storage compared with the Gaussian elimination method

Keywords

eddy currents; electric machine analysis computing; finite element analysis; induction motors; iterative methods; machine theory; rotors; 3-D complex finite element model; Gaussian elimination method; algebraic equations; computer simulation; eddy current; iterative method; iterative process; skewed rotor induction motors; Eddy currents; Equations; Finite element methods; Gaussian processes; Induction motors; Iterative algorithms; Iterative methods; Power generation economics; Pulse width modulation inverters; Rotors;

fLanguage

English

Journal_Title

Energy Conversion, IEEE Transactions on

Publisher

ieee

ISSN

0885-8969

Type

jour

DOI

10.1109/60.815054

Filename

815054