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Title:	Survey on fault operation on multilevel inverters
Author:	Lezana, Pablo; Pou Félix, Josep; Meynard, Thierry A.; Rodríguez, José; Ceballos Recio, Salvador; Richardeau, Frédéric
Other authors:	Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. TIEG - Terrassa Industrial Electronics Group
Abstract:	This paper is related to faults that can appear in multilevel (ML) inverters, which have a high number of components. This is a subject of increasing importance in high-power inverters. First, methods to identify a fault are classified and briefly described for each topology. In addition, a number of strategies and hardware modifications that allow for operation in faulty conditions are also presented. As a result of the analyzed works, it can be concluded that ML inverters can significantly increase their availability and are able to operate even with some faulty components.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria electrònica -Electric current converters -Diagnostic errors -Fault diagnosis fault tolerance multilevel (ML) converters -Convertidors de corrent elèctric -Errors de diagnòstic
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Document type:	Article - Published version Article
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