Modeling of Saturation Due to Main and Leakage Flux Interaction in Induction Machines

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Journal Title
Journal ISSN
Volume Title
School of Electrical Engineering | A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Date
2010
Major/Subject
Mcode
Degree programme
Language
en
Pages
937-945
Series
IEEE Transactions on Industry Applications, Volume 46, Issue 3
Abstract
Saturation due to the main flux and rotor leakage flux interaction 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 this mutual saturation are proposed. These 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 if 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. The model predicts the stator current with good accuracy both in steady state and in transients.
Description
Keywords
induction motors, motor models, mutual saturation, closed slots, rotor skew
Other note
Citation
Tuovinen, Toni & Hinkkanen, Marko & Luomi, Jorma. 2010. Modeling of Saturation Due to Main and Leakage Flux Interaction in Induction Machines. IEEE Transactions on Industry Applications. Volume 46, Issue 3. 937-945. ISSN 0093-9994 (printed). DOI: 10.1109/tia.2010.2045210.