Multilevel Inverter With Variable AmplitudeMulticarrier PWM Techniques

P.Suresh Pandiarajan*, S. P. Natarajan**, C. R. Balamurugan***
* Department of ECE, P.S.R. Rengasamy College of Engineering for Women, Sivakasi, Tamilnadu, India.
** Department of EIE, Annamalai University, Chidambaram, Tamilnadu, India.
*** Department of EEE, Arunai Engineering College, Tiruvannamalai, Tamilnadu, India.
Periodicity:August - October'2014
DOI : https://doi.org/10.26634/jps.2.3.3031

Abstract

This paper deals with Single Phase Five level Inverter using Multi Carrier Based Pulse Width Modulation Technique. The voltage quality of conventional two level inverter is poor due to the presence of harmonics and hence produces power loss which reduces the efficiency of the system. The multilevel inverter is used to improve the voltage quality by reducing the harmonics. As the number of voltage levels of multilevel inverter is increased, the harmonics are reduced and hence losses are minimized significantly. The simulation of single phase cascaded five level multilevel is done using Multicarrier PWM technique and compared with sine wave. Here the authors compared conventional PD and variable PD and simulated outputs were given.

Keywords

Pulse Width Modulation, Multilevel Inverter, Cascaded Multilevel Inverter, Total Harmonic Distortion.

How to Cite this Article?

Pandiarajan, P. S., Natarajan, S. P., and Balamurugan, C. R. (2014). Multilevel Inverter With Variable Amplitude Multicarrier Pwm Techniques. i-manager’s Journal on Power Systems Engineering, 2(3), 6-10. https://doi.org/10.26634/jps.2.3.3031

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