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Optimisation of an 80kW Segmental Rotor Switched Reluctance Machine for automotive traction

Lookup NU author(s): Dr James Widmer, Dr Richard Martin, Professor Barrie Mecrow

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Abstract

There is significant interest in the development of Switched Reluctance Machines for use in automotive traction applications. This has been driven by their low cost compared to Rare Earth Permanent Magnet based motors, coupled with their potential for competitive torque densities. This paper describes the development of a variant of the Switched Reluctance Machine, utilising a Segmental Rotor construction, which has previously been demonstrated to provide up to a 65% improvement in torque densities compared to Switched Reluctance Machines with a conventional toothed rotor construction. The paper describes a strategy which has been developed to optimise the Segmental Rotor SRM in order to achieve performance equivalent to that of the 80kW Interior Permanent Magnet machine utilised in Nissan's LEAF electric vehicle. Optimisation applies a combination of static and dynamic analyses in order to achieve a full and computationally efficient assessment of motor performance across different regions of the torque speed envelope.


Publication metadata

Author(s): Mecrow BC; Widmer JD; Martin R

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: International Electric Machines & Drives Conference (IEMDC)

Year of Conference: 2013

Pages: 427-433

ISSN: 9781467349758

Publisher: IEEE

URL: http://dx.doi.org/10.1109/IEMDC.2013.6556132

DOI: 10.1109/IEMDC.2013.6556132

Library holdings: Search Newcastle University Library for this item

ISBN: 9781467349734


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