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THD Analysis of a Seven, Nine, and Eleven Level Cascaded H-Bridge Multilevel Inverter for Different Loads

Manoj Kumar Sahu orcid id ; Department of Electrical Engineering, Centre for Advanced Post Graduate Studies, BPUT, Chhend Campus, Rourkela, Odisha-769015, India
Madhusmita Biswal ; Government ITI Berhampur, Berhampur, Odisha-769015, India
Jagan Mohana Rao Malla ; Department of Electronics and Communication Engineering, Rishi Institute of Engineering and Technology for Woman, Kukatpally, Hyderabad-500090, India

Puni tekst: engleski pdf 1.129 Kb

str. 514-523

preuzimanja: 389



A multilevel inverter is implemented for generating the required staircase AC voltage of output from various steps of voltages of DC sources. The multilevel inverter gives a better harmonic spectrum and a compatible quality of output. This article delves into an analytical analysis of the total harmonic distortion (THD) of different multilevel inverters which employ a multicarrier PWM technique. This technique is implemented for operating the switches at their respective angle of conduction. This paper deals with various cascaded H-Bridge multilevel inverters (CMI) with various loads that are modelled by implementing the MATLAB/Simulink platform. The output gives a better result of the proposed model in terms that it is helpful towards reducing the THD and the losses of switching.

Ključne riječi

APOD, CMI, IPD, phase shifted modulation technique, POD, THD

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Posjeta: 690 *