Investigation on cascade multilevel inverter with symmetric, asymmetric, hybrid and multi-cell configurations

In recent past, numerous multilevel architectures came into existence. In this background, cascaded multilevel inverter (CMLI) is the promising structure. This type of multilevel inverters synthesizes a medium voltage output based on a series connection of power cells which use standard low-voltage...

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Bibliographic Details
Published inAin Shams Engineering Journal Vol. 8; no. 2; pp. 263 - 276
Main Authors Suresh, Y., Venkataramanaiah, J., Panda, Anup Kumar, Dhanamjayulu, C., Venugopal, P.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.06.2017
Elsevier
Subjects
Cascade multilevel inverter
High quality output voltages
Multi-cell
Switching components
Multi-cell
High quality output voltages
Switching components
Cascade multilevel inverter
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Summary:In recent past, numerous multilevel architectures came into existence. In this background, cascaded multilevel inverter (CMLI) is the promising structure. This type of multilevel inverters synthesizes a medium voltage output based on a series connection of power cells which use standard low-voltage component configurations. This characteristic allows one to achieve high-quality output voltage and current waveforms. However, when the number of levels increases switching components and the count of dc sources are also increased. This issue became a key motivation for the present paper. The present paper is devoted to investigate different types of CMLI which use less number of switching components and dc sources and finally proposed a new version of Multi-cell based CMLI. In order to verify the proposed topology, MATLAB – simulations and hardware verifications are carried out and results are presented.
ISSN:2090-4479
DOI:10.1016/j.asej.2016.09.006