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Comparative Study on Carrier Overlapping PWM Strategies for Three Phase Five Level Cascaded Inverter

by C. R. Balamurugan, S. P. Natarajan, R. Bensraj
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 48 - Number 6
Year of Publication: 2012
Authors: C. R. Balamurugan, S. P. Natarajan, R. Bensraj
10.5120/7351-0048

C. R. Balamurugan, S. P. Natarajan, R. Bensraj . Comparative Study on Carrier Overlapping PWM Strategies for Three Phase Five Level Cascaded Inverter. International Journal of Computer Applications. 48, 6 ( June 2012), 20-28. DOI=10.5120/7351-0048

@article{ 10.5120/7351-0048,
author = { C. R. Balamurugan, S. P. Natarajan, R. Bensraj },
title = { Comparative Study on Carrier Overlapping PWM Strategies for Three Phase Five Level Cascaded Inverter },
journal = { International Journal of Computer Applications },
issue_date = { June 2012 },
volume = { 48 },
number = { 6 },
month = { June },
year = { 2012 },
issn = { 0975-8887 },
pages = { 20-28 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume48/number6/7351-0048/ },
doi = { 10.5120/7351-0048 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T20:43:22.904818+05:30
%A C. R. Balamurugan
%A S. P. Natarajan
%A R. Bensraj
%T Comparative Study on Carrier Overlapping PWM Strategies for Three Phase Five Level Cascaded Inverter
%J International Journal of Computer Applications
%@ 0975-8887
%V 48
%N 6
%P 20-28
%D 2012
%I Foundation of Computer Science (FCS), NY, USA
Abstract

This paper presents the comparison of Carrier Overlapping Pulse Width Modulation (COPWM) techniques for the Cascaded Multi Level Inverter (CMLI). A CMLI is controlled in this paper with Sinusoidal PWM (SPWM) reference, Third Harmonic Injection PWM (THI PWM) reference, Sixty degree PWM reference and Stepped wave reference with Carrier Overlapping (CO) techniques. The variation of Total Harmonic Distortion (THD) in the inverter output voltage is observed when the chosen inverter is controlled by SPWM for various modulation indices. Simulation is performed using MATLAB-SIMULINK. It is observed that COPWM-C provides output with relatively low distortion for all strategies. It is also seen that COPWM-A is found to perform better for all strategies since it provides relatively higher fundamental RMS output voltage and in particular highest output is obtained for 60 degree PWM reference.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Thd Cmli Stepped Thipwm 60 Degree Pwm Copwm

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