A quad DC source switched three-phase multilevel DC-link inverter topology

Abstract The concept of an isolated DC source cascaded multilevel inverter finds good solutions for generating quality output voltage for low-medium power applications. It shapes the output voltage from three levels into a number of steps closer to a sinusoidal shape using small DC sources or batter...

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Main Authors: S. Sivamani, S. P. Mangaiyarkarasi, R. Gandhi Raj, S. Senthilkumar
Format: Article
Language:English
Published: Nature Portfolio 2024-01-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-024-52605-3
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author S. Sivamani
S. P. Mangaiyarkarasi
R. Gandhi Raj
S. Senthilkumar
author_facet S. Sivamani
S. P. Mangaiyarkarasi
R. Gandhi Raj
S. Senthilkumar
author_sort S. Sivamani
collection DOAJ
description Abstract The concept of an isolated DC source cascaded multilevel inverter finds good solutions for generating quality output voltage for low-medium power applications. It shapes the output voltage from three levels into a number of steps closer to a sinusoidal shape using small DC sources or batteries. Several advantages have been sighted like lower voltage stress and bearing noise, and lesser THD. However, a common issue in the MLIs is the total components required which increase with the rise in voltage levels. This paper proposes a three-phase MLI design having several isolated quad voltage source modules including an H-Bridge inverter. The design suggested claims reduced switching components for current conduction paths showing improved output quality. The operational features of the suggested MLI have been analyzed using Matlab/Simulink software, furthermore, an experimental module is constructed for demonstrating the effectiveness of the simulated results.
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spelling doaj.art-62e338459e5b40fe95380f8dd86045d02024-03-05T16:25:25ZengNature PortfolioScientific Reports2045-23222024-01-0114111510.1038/s41598-024-52605-3A quad DC source switched three-phase multilevel DC-link inverter topologyS. Sivamani0S. P. Mangaiyarkarasi1R. Gandhi Raj2S. Senthilkumar3Department of Electrical and Electronics Engineering, E.G.S. Pillay Engineering CollegeDepartment of Electrical and Electronics Engineering, University College of Engineering, Panruti CampusDepartment of Electrical and Electronics Engineering, University College of Engineering (BIT Campus), Anna UniversityDepartment of Electronics and Communication Engineering, E.G.S. Pillay Engineering CollegeAbstract The concept of an isolated DC source cascaded multilevel inverter finds good solutions for generating quality output voltage for low-medium power applications. It shapes the output voltage from three levels into a number of steps closer to a sinusoidal shape using small DC sources or batteries. Several advantages have been sighted like lower voltage stress and bearing noise, and lesser THD. However, a common issue in the MLIs is the total components required which increase with the rise in voltage levels. This paper proposes a three-phase MLI design having several isolated quad voltage source modules including an H-Bridge inverter. The design suggested claims reduced switching components for current conduction paths showing improved output quality. The operational features of the suggested MLI have been analyzed using Matlab/Simulink software, furthermore, an experimental module is constructed for demonstrating the effectiveness of the simulated results.https://doi.org/10.1038/s41598-024-52605-3
spellingShingle S. Sivamani
S. P. Mangaiyarkarasi
R. Gandhi Raj
S. Senthilkumar
A quad DC source switched three-phase multilevel DC-link inverter topology
Scientific Reports
title A quad DC source switched three-phase multilevel DC-link inverter topology
title_full A quad DC source switched three-phase multilevel DC-link inverter topology
title_fullStr A quad DC source switched three-phase multilevel DC-link inverter topology
title_full_unstemmed A quad DC source switched three-phase multilevel DC-link inverter topology
title_short A quad DC source switched three-phase multilevel DC-link inverter topology
title_sort quad dc source switched three phase multilevel dc link inverter topology
url https://doi.org/10.1038/s41598-024-52605-3
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