Title :
Frequency Domain Evaluation of Transient Finite Element Simulations of Induction Machines
Author :
Rainer, S. ; Bíró, O. ; Stermecki, A. ; Weilharter, B.
Author_Institution :
Inst. for Fundamentals & Theor. in Electr. Eng., Graz, Austria
Abstract :
A comprehensive procedure for the frequency domain evaluation of transient finite element simulations of induction machines is presented. The proposed algorithm allows the determination of the magnetic air-gap flux density for arbitrary operational points under consideration of the rotor movement. The flux density harmonics can be determined on the stator as well as on the moving rotor surface. For skewed induction machines, an interpolation algorithm for the axial behavior of the flux density is included. The procedure is demonstrated for a skewed induction machine operating at nominal load.
Keywords :
air gaps; asynchronous machines; finite element analysis; frequency-domain analysis; interpolation; machine theory; rotors; stators; flux density harmonics; frequency domain evaluation; interpolation; magnetic air gap flux density; moving rotor surface; rotor movement; skewed induction machines; stator; transient finite element simulations; Air gaps; Finite element methods; Harmonic analysis; Induction machines; Magnetic domains; Rotors; Saturation magnetization; Acoustic noise; electromagnetic analysis; frequency domain; induction motor;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2011.2173164
