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Simplified implementation of space vector PWM strategies for a three level inverter

Amitkumar, KS and Narayanan, G (2012) Simplified implementation of space vector PWM strategies for a three level inverter. In: 2012 7th IEEE International Conference on Industrial and Information Systems (ICIIS), 6-9 Aug. 2012, Chennai.

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Official URL: http://dx.doi.org/10.1109/ICIInfS.2012.6304816

Abstract

Space vector based PWM strategies for three-level inverters have a broader choice of switching sequences to generate the required reference vector than triangle comparison based PWM techniques. However, space vector based PWM involves numerous steps which are computationally intensive. A simplified algorithm is proposed here, which is shown to reduce the computation time significantly. The developed algorithm is used to implement synchronous and asynchronous conventional space vector PWM, synchronized modified space vector PWM and an asynchronous advanced bus-clamping PWM technique on a low-cost dsPIC digital controller. Experimental results are presented for a comparative evaluation of the performance of different PWM methods.

Item Type: Conference Proceedings
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Additional Information: Copyright of this article belongs to IEEE.
Keywords: Advanced Bus-Clamping PWM; computational efficiency; multilevel inverter; space vector PWM; synchronized PWM
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 29 May 2013 10:19
Last Modified: 29 May 2013 10:19
URI: http://eprints.iisc.ernet.in/id/eprint/46416

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