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Lookup NU author(s): Ruchao Pupadubsin,
Professor Barrie Mecrow,
Dr James Widmer,
Dr Andrew Steven
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IEEEThis paper proposes and investigates a control technique for vibration and acoustic noise reduction in Switched Reluctance Machines (SRMs). A large vibration generally occurs at the turn-off stage of SRM phase voltage due to a sudden decrease in the attraction force. The proposed technique is a smooth voltage Pulse-Width Modulation (PWM) method that utilizes the PWM technique to reduce the rate of change of voltage during the turn-off commutation angle. The aim of this proposed method is to control the vibration with high PWM frequency at the very beginning stage when the vibration is low before being developed into higher amplitude at the turn-off stage, without having to generate anti-phase vibration. Both simulation and experimental testing are implemented to confirm the capabilities and limitations of this technique.
Author(s): Pupadubsin R, Mecrow BC, Widmer JD, Steven A
Publication type: Article
Publication status: Published
Journal: IEEE Transactions on Energy Conversion
Print publication date: 01/09/2021
Online publication date: 15/12/2020
Acceptance date: 02/04/2016
ISSN (print): 0885-8969
ISSN (electronic): 1558-0059
Publisher: Institute of Electrical and Electronics Engineers Inc.
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