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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Goshwe Y. Nentawe
Federal University of Agriculture
Control & Systems Engineering Electrical & Electronics Engineering

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A Overlapping Carrier Based SPWM for a 5-Level Cascaded H-bridge Multilevel Inverter Kureve D. Teryima; Goshwe Y. Nentawe; Agbo O. David
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 7, No 2: June 2016
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v7.i2.pp349-357

Abstract

This paper proposes a switching control for a cascaded H-bridge inverter structure with reduced switches which is used to improve the THD performance of a single phase five level CHB MLI. The multi level inverter is simulated for the conventional carrier overlapping APOD and the proposed carrier overlapping APOD Pulse Width Modulation (PWM) switching control technique. The total harmonic distortion (THD) of the output voltages are observed for both PWM control techniques. The performance of the symmetric CHB MLI is simulated using MATLAB-SIMULINK. It is observed that the proposed carrier overlapping APODPWM provides output with relatively low THD as compared to the conventional carrier overlapping APODPWM.
Co-Authors Agbo O. David Kureve D. Teryima