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A Comparative Study of Various PWM Techniques


A Comparative Study of Various PWM Techniques
Authors : Shyam Sunder Rai, Dr. A. K. Pandey
Publication Date: 05-11-2015

Authors

Author(s):  Shyam Sunder Rai, Dr. A. K. Pandey

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 4 - Issue. 11 , November - 2015

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV4IS110125

Abstract

Pulse-width modulation is the process of modifying the width of the pulses in a pulse train in direct proportion to a small control signal; the greater the control voltage, the wider the resulting pulses become. By using a sinusoid of the desired frequency as the control voltage for a PWM circuit, it is possible to produce a high-power waveform whose average voltage varies sinusoidally in a manner suitable for driving ac motors. This paper presents the MATLAB/Simulink based models of various PWM techniques usually employed.

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