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

Tehnički Glasnik

卷:14

Manoj Kumar Sahu¹  Jagan Mohana Rao Malla²  Madhusmita Biswal³ 

[1] Department of Electrical Engineering, Centre for Advanced Post Graduate Studies, BPUT, Chhend Campus, Rourkela, Odisha-769015, India;

[2] Department of Electronics and Communication Engineering, Rishi Institute of Engineering and Technology for Woman, Kukatpally, Hyderabad-500090, India;

[3] Government ITI Berhampur, Berhampur, Odisha-769015, India;

关键词: APOD;    CMI;    IPD;    phase shifted modulation technique;    POD;    THD;   

DOI  :  

来源: DOAJ

【 摘 要 】

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.

【 授权许可】

Unknown