Finite element analysis of induction machines in the frequency domain

Author

Salon, S.J. ; Burow, D.W. ; Ashley, R.E., III ; Ovacik, L. ; DeBortoli, M.J.

Author_Institution

Dept. of Electr. Power Eng., Rensselaer Polytech. Inst., Troy, NY, USA

Volume

29

Issue

2

fYear

1993

fDate

3/1/1993 12:00:00 AM

Firstpage

1438

Lastpage

1441

Abstract

A frequency-domain analysis of an induction machine is presented. The model is voltage driven and has the capability of analyzing series or parallel circuits and unbalanced conditions. The rotor bars are treated as circuits and the end ring segments are included in the analysis. By using a frequency-domain solution as the starting point for the transient finite-element-method (FEM) solver, the computation time required to reach steady state can be significantly reduced. The computation time required for a transient solver is investigated with the frequency-domain solution and without the frequency-domain solution. A method for the calculation of equivalent-circuit parameters based on simulated locked rotor tests is suggested. The results obtained have been used to initialized a time-domain solution and to generate a frequency-response plot

Keywords

asynchronous machines; electric machine analysis computing; equivalent circuits; finite element analysis; frequency response; frequency-domain analysis; equivalent-circuit parameters; frequency-domain analysis; frequency-response plot; induction machines; parallel circuits; series circuits; simulated locked rotor tests; time-domain solution; transient FEM solver; unbalanced conditions; voltage driven model; Bars; Circuits; Computational modeling; Finite element methods; Frequency domain analysis; Induction machines; Rotors; Steady-state; Testing; Voltage;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.250673

Filename

250673