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Identification of Three-Phase IPM Machine Parameters Using Torque Tests

Lookup NU author(s): Dr Shafiq OdhanoORCiD

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by IEEE, 2017.

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Abstract

© 2017 IEEE. This work presents a simple method for obtaining the main parameters, such as the torque constant and the d-A nd q-axis inductances $L-{d}$ and $L-{q}$, for a brushless internal permanent magnet motor by measuring the machine torque during testing. These tests are relatively simple to carry out compared with other test procedures described in the literature, and they neither require sophisticated and expensive test equipment nor are they affected by temperature effects as happens with other techniques. The machine under test is supplied through a dc supply at different rotor positions. The shaft torque is measured through a torque sensor during the tests. The test current magnitude is varied to take care of the saturation effects. From the measured torque data and known rotor position, the required parameters can be obtained. Tests performed on two different internal permanent magnet machines confirm the validity and effectiveness of the proposed method.

Publication metadata

Author(s): Odhano SA, Bojoi R, Armando E, Homrich G, Filho AFF, Popescu M, Dorrell DG

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Industry Applications

Year: 2017

Volume: 53

Issue: 3

Pages: 1883-1891

Print publication date: 01/05/2017

Online publication date: 29/12/2016

Acceptance date: 09/12/2016

Date deposited: 30/03/2020

ISSN (print): 0093-9994

ISSN (electronic): 1939-9367

Publisher: IEEE

URL: https://doi.org/10.1109/TIA.2016.2646345

DOI: 10.1109/TIA.2016.2646345

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