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Novel Motor-Shaped Rotational Inductor for Motor Drive Applications

Lookup NU author(s): Dr Shafiq OdhanoORCiD

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Abstract

© 1982-2012 IEEE.This paper presents a validation of the novel motor-shaped rotational inductor. To validate the concept, 12 slots 2 poles rotational inductor is tested at different supply frequencies and rotor speeds. Experimental results have shown that the iron losses reduce as the rotor speed increases to the synchronous speed of the stator supply. The performance of the integrated rotational inductor is also compared with traditional EE core inductor in terms of total losses, synchronous inductance, copper resistance, and total harmonic distortion (THD). The total loss-to inductance ratio of the rotational inductor is reduced by 22.5% when rotor is rotating at 18 kRPM and supply frequency is held at 300 Hz. A significant reduction in copper resistance-to-inductance is also noticed when supply frequency is varied from 0 Hz to 20 kHz. Furthermore, the synchronous inductance and voltage and current's %THD of rotational inductor is found to be superior to EE core inductor.

Publication metadata

Author(s): Khowja MR, Gerada C, Vakil G, Abebe R, Odhano S, Patel C, Wheeler P

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Industrial Electronics

Year: 2020

Volume: 67

Issue: 3

Pages: 1844-1854

Online publication date: 01/04/2019

Acceptance date: 25/02/2019

ISSN (print): 0278-0046

ISSN (electronic): 1557-9948

Publisher: Institute of Electrical and Electronics Engineers Inc.

URL: https://doi.org/10.1109/TIE.2019.2907512

DOI: 10.1109/TIE.2019.2907512

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