Online identification of parameters defining the saturation characteristics of induction machines
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Journal Title
Journal ISSN
Volume Title
School of Electrical Engineering |
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Author
Date
2013
Major/Subject
Mcode
Degree programme
Language
en
Pages
2136-2145
Series
IEEE Transactions on Industry Applications, Volume 49, Issue 5
Abstract
The induction machine model parameters need to be estimated with good accuracy to ensure a good performance of the drive. Due to the magnetic saturation, the inductances vary as a function of the flux level. The magnetizing curve can be identified at standstill, but more accurate results are obtained if the identification is performed as the machine is running. In this paper, the magnetic saturation is modeled using a power function, and adaptation laws for the function parameters are proposed. The adaptation method is implemented in the control system of a sensorless drive. Experimental results on a 2.2-kW machine show that the identification of the stator inductance is rapid and the accuracy is good.Description
Keywords
induction motors, magnetic saturation, parameter estimation, sensorless control
Other note
Citation
Ranta, Mikaela & Hinkkanen, Marko. 2013. Online identification of parameters defining the saturation characteristics of induction machines. IEEE Transactions on Industry Applications. Volume 49, Issue 5. 2136-2145. 1939-9367 (electronic). 0093-9994 (printed). DOI: 10.1109/TIA.2013.2261793.
