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Minimization of Torque Ripple in PWM AC Drives

Basu, Kaushik and Prasad, J and Narayanan, G (2009) Minimization of Torque Ripple in PWM AC Drives. In: IEEE Transactions On Industrial Electronics, 56 (2). pp. 553-558.

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A pulsewidth modulation (PWM) technique is proposed for minimizing the rms torque ripple in inverter-fed induction motor drives subject to a given average switching frequency of the inverter. The proposed PWM technique is a combination of optimal continuous modulation and discontinuous modulation. The proposed technique is evaluated both theoretically as well as experimentally and is compared with well-known PWM techniques. It is shown that the proposed method reduces the rms torque ripple by about 30% at the rated speed of the motor drive, compared to conventional space vector PWM.

Item Type: Journal Article
Publication: IEEE Transactions On Industrial Electronics
Publisher: IEEE
Additional Information: Copyright 2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE
Keywords: Harmonic analysis;harmonic distortion;induction motor drive; pulsewidth modulation (PWM);pulsewidth-modulated inverter; torque pulsation
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 05 Nov 2009 11:56
Last Modified: 19 Sep 2010 05:28
URI: http://eprints.iisc.ac.in/id/eprint/19356

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