Title :
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., Kowloon, Hong Kong
Abstract :
One of the cruxes of the three-dimensional (3-D) eddy current finite element methods (FEM) is to solve large finite element equations economically. In this paper a 3-D eddy-current FEM using a four component formulation of complex variables to study skewed rotor induction motors is described. An iterative process among the four components during the solution of large algebraic equations is presented in this paper. The proposed method overcomes the nonconvergence problems if 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; finite element analysis; induction motors; iterative methods; machine theory; rotors; 3-D complex finite element model; algebraic equations; complex variables; eddy current finite element methods; finite element equations; four component formulation; iterative method; iterative process; skewed rotor induction motors; Eddy currents; Electric potential; Equations; Finite element methods; Induction motors; Iterative algorithms; Iterative methods; Magnetic materials; Rotors; Steady-state;
Conference_Titel :
Electric Machines and Drives Conference Record, 1997. IEEE International
Conference_Location :
Milwaukee, WI
Print_ISBN :
0-7803-3946-0
DOI :
10.1109/IEMDC.1997.604322
