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Comparative Detailed Analysis of a 7-Level Cascaded H-Bridge Inverter in Symmetric and Asymmetric Configurations

Authors: Caruso M.; Di Tommaso A. O.; Frequente G.; Miceli R.; Nevoloso C.; Scaglione G.; Schettino G.;

Comparative Detailed Analysis of a 7-Level Cascaded H-Bridge Inverter in Symmetric and Asymmetric Configurations

Abstract

This paper discusses the advantages of asymmetric multilevel inverters over traditional inverters and presents a comparative analysis between symmetric and asymmetric cascaded H-bridge multilevel topologies. The use of multilevel inverters is gaining importance in sectors such as electric transportation and renewable energy integration due to their ability to generate high-quality waveforms with lower harmonic content. However, the cost associated with multilevel inverters is a challenge due to the large number of required components. The paper focuses on a single-phase 7-level binary asymmetrical Cascaded H-Bridge Multilevel Inverter (CHBMIs) and compares its performance with the symmetrical counterpart in terms of both harmonic content and total harmonic distortion. In addition, the percentage of power absorbed by both bridges of the asymmetric converter is also analyzed. The results presented in this work show demonstrate the effectiveness of the proposed asymmetrical converter.

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Italy
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Keywords

modulation techniques, Multilevel power converters, harmonic analysis, Asymmetric cascaded H-bridge multilevel inverter, Total harmonic distortion , Renewable energy sources , Transportation , Multilevel inverters , Harmonic analysis , Reliability engineering , Mathematical models, Settore ING-IND/32 - Convertitori, Macchine E Azionamenti Elettrici

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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