Design and Development of Low Torque Ripple Variable-Speed Drive System With Six-Phase Switched Reluctance Motors

Deng, Xu, Mecrow, Barrie, Wu, Haimeng and Martin, Richard (2018) Design and Development of Low Torque Ripple Variable-Speed Drive System With Six-Phase Switched Reluctance Motors. IEEE Transactions on Energy Conversion, 33 (1). pp. 420-429. ISSN 0885-8969

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Official URL: https://doi.org/10.1109/TEC.2017.2753286

Abstract

Switched reluctance motor (SRM) drives conventionally use current control techniques at low speed and voltage control techniques at high speed. However, these conventional methods usually fail to restrain the torque ripple, which is normally associated with this type of machine. Compared with conventional three-phase SRMs, higher phase SRMs have the advantage of lower torque ripple: To further reduce their torque ripple, this paper presents a control method for torque ripple reduction in six-phase SRM drives. A constant instantaneous torque is obtained by regulating the rotational speed of the stator flux linkage. This torque control method is subsequently developed for a conventional converter and a proposed novel converter with fewer switching devices. Moreover, modeling and simulation of this six-phase SRM drive system has been conducted in detail and validated experimentally using a 4.0-kW six-phase SRM drive system. Test results demonstrate that the proposed torque control method has outstanding performance of restraining the torque ripple with both converters for the six-phase SRM, showing superior performance to the conventional control techniques.

Item Type: Article
Uncontrolled Keywords: Multi-phase, power converter, switched reluctance machine, torque control method, torque ripple reduction
Subjects: F300 Physics
H100 General Engineering
H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Rachel Branson
Date Deposited: 25 Mar 2020 12:42
Last Modified: 25 Mar 2020 12:45
URI: http://nrl.northumbria.ac.uk/id/eprint/42571

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