An Asymmetric Switched-Capacitor Multicell Inverter With Low Number of DC Source and Voltage Stress for Renewable Energy Sources

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dc.contributor.authorHosseinzadeh, Mohammad Ali
dc.contributor.authorSarebanzadeh, Maryam
dc.contributor.authorGarcia, Cristian F.
dc.contributor.authorBabaei, Ebrahim
dc.contributor.authorRodriguez, Jose
dc.date.accessioned2024-12-18T12:56:31Z
dc.date.available2024-12-18T12:56:31Z
dc.date.issued2022
dc.descriptionIndexación: Scopus.
dc.description.abstractAsymmetric multilevel inverters generate high-quality output voltage using the same number of components as symmetric multilevel inverters. The main drawback of these topologies is that they require many DC voltage sources, and the power switches must endure high voltage stress. In this paper, a switched-capacitor sub-module inverter topology is proposed to reduce the number of DC voltage sources and the voltage stress on the switches of asymmetric multilevel inverters. The proposed sub-module inverter can generate 15 voltage levels by using two DC power supplies and a capacitor. The voltage of the capacitor can be automatically charged at half of the input DC power supply without the need for any sensors. In addition, the capacitor charging operation does not produce an inrush current because it is charged by the direction of the output current; this is an advantage over switched capacitor multilevel inverters. A modular topology is also presented based on the proposed sub-module inverter to achieve high voltage levels while reducing the number of elements. A comprehensive comparison between the proposal and other multilevel inverter topologies is performed to validate the design of the proposed inverter. In addition, thermal and loss distribution simulations of the proposed sub-module inverter are performed. Finally, the performance, efficiency, and accuracy of the proposed inverter are confirmed through laboratory prototyping. © 2013 IEEE.
dc.description.urihttps://ieeexplore-ieee-org.recursosbiblioteca.unab.cl/document/9672135
dc.identifier.citationIEEE Access, Volume 10, Pages 30513 - 30525, 2022
dc.identifier.doi10.1109/ACCESS.2022.3140786
dc.identifier.issn2169-3536
dc.identifier.urihttps://repositorio.unab.cl/handle/ria/62626
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.rights.licenseAttribution 4.0 International CC BY 4.0 Deed
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectDC-AC power converters
dc.subjectMultilevel inverter
dc.subjectRenewable energy sources
dc.subjectSwitched capacitor circuit
dc.titleAn Asymmetric Switched-Capacitor Multicell Inverter With Low Number of DC Source and Voltage Stress for Renewable Energy Sources
dc.typeArtículo
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