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Self-commissioning of interior permanent- magnet synchronous motor drives with high-frequency current injection

Lookup NU author(s): Dr Shafiq OdhanoORCiD

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Abstract

© 1972-2012 IEEE. In this paper, a simple and robust method for parameter estimation at rotor standstill is presented for interior permanent magnet (IPM) synchronous machines. The estimated parameters are the stator resistance through dc test, the dq inductances using high-frequency injection, and the permanent magnet flux by means of a closed-loop speed control maintaining rotor stationary. The proposed method does not require either locking the rotor or additional/special power supplies. The validity of the suggested method has been verified by implementation on two IPM motor prototypes. Finally, the estimated parameters have been compared against results obtained through finite-element simulations and with machine magnetic characterization, separately performed, to validate the method's effectiveness. Saturation and cross-saturation effects are taken care of through amplitude modulation and cross-axis current application, respectively.

Publication metadata

Author(s): Odhano SA, Giangrande P, Bojoi RI, Gerada C

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Industry Applications

Year: 2014

Volume: 50

Issue: 5

Pages: 3295-3303

Print publication date: 01/09/2014

Online publication date: 04/03/2014

Acceptance date: 10/02/2014

ISSN (print): 0093-9994

ISSN (electronic): 1939-9367

Publisher: IEEE

URL: https://doi.org/10.1109/TIA.2014.2309722

DOI: 10.1109/TIA.2014.2309722

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