Modeling of Mutual Saturation in Induction Machines

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Journal ISSN
Volume Title
School of Electrical Engineering | A4 Artikkeli konferenssijulkaisussa
Date
2008
Major/Subject
Mcode
Degree programme
Language
en
Pages
8
Series
Abstract
Mutual saturation between the main flux and the rotor leakage flux appears in induction machines, especially if the rotor slots are skewed or closed. Conventional saturation models used in connection with dynamic equivalent-circuit models do not take this phenomenon into account. In this paper, explicit functions for modeling the mutual saturation are proposed. The proposed functions are physically reasonable, they are easy to fit, and the number of their parameters is small. The proposed functions can be used in real-time applications and in computer simulations where high accuracy and physical consistency are preferable. The model fits well to the data obtained from finite element analysis or experimental data of a 2.2-kW motor.
Description
Keywords
induction motors, motor model, mutual saturation, closed slots, rotor skew
Other note
Citation
Tuovinen, Toni & Hinkkanen, Marko & Luomi, Jorma. 2008. Modeling of Mutual Saturation in Induction Machines. 2008 IEEE Industry Applications Society Annual Meeting. 8. ISBN 978-1-4244-2279-1 (electronic). DOI: 10.1109/08ias.2008.32.