Author(s): Ms. Apoorva G K, Mr. Savyasachi G K, Dr. M S Shashikala
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Volume. 6 - Issue. 07 , July - 2017
In this paper a comparative study of different types of asymmetrical multi-level inverter is carried out. The inverters are designed to produce 31 levels from four independent different constant voltage level dc sources (asymmetrical sources). The paper focuses on asymmetric 31-level inverter, in general any number of levels can be obtained. A sine pulse width modulation (SPWM) technique is used for switching operation. The converters are simulated using MABLAB/Simulink software and the number of switches required, output voltage/current and the total harmonic distortion (THD) are compared.
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