Implementing natural PWM digitally

Walker, Geoffrey R. & Ledwich, Gerard F. (1996) Implementing natural PWM digitally. In Australasian Universities Power Engineering Conference (AUPEC’96), 2-4 October 1996, University of Melbourne, Victoria, Australia.

Abstract

For dynamic closed loop control of a multilevel converter with a low switching frequency, natural sampled PWM is the best form of modulation. However previous natural sampled PWM implementations have generally been analog. A digital implementation has advantages, particularly for a multilevel converter. Re-sampled uniform PWM, a modulation technique which approaches the performance of natural PWM, is implemented both in software and hardware. Results demonstrating the improvement over uniformPWM techniques are presented.

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ID Code: 63592
Item Type: Conference Paper
Refereed: Yes
Additional URLs:
Keywords: Pulse Width Modulation (PWM), Uniform PWM, Natural PWM, Multilevel converter, Multilevel PWM
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600) > Industrial Electronics (090603)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600) > Power and Energy Systems Engineering (excl. Renewable Power) (090607)
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 1996 Please consult the authors
Deposited On: 21 Oct 2013 23:29
Last Modified: 21 Oct 2013 23:29

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