Performance evaluation of fault-tolerant neutral-point-clamped converters / Ceballos, Salvador in IEEE transactions on industrial electronics, Vol. 57 N° 8 (Août 2010)  

Public ISBD [article]  inIEEE transactions on industrial electronics > Vol. 57 N° 8 (Août 2010) . - pp. 2709 - 2718 Titre : Performance evaluation of fault-tolerant neutral-point-clamped converters Type de document : texte imprimé Auteurs : Ceballos, Salvador, Auteur ; Pou, Josep, Auteur ; Robles, Eider, Auteur Année de publication : 2011 Article en page(s) : pp. 2709 - 2718 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Fault tolerance Multilevel converter Neutral-point-clamped (NPC) Reliability Voltage oscillation Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents a study of the fault tolerance capacity of a neutral-point-clamped converter. Different faults in power semiconductors are considered, and the available postfault states of the converter are shown. In regard of the operation limits, two possible solutions are presented. In these solutions, adding a reduced number of additional components, the behavior of the converter when a switch fails improves considerably. Furthermore, an analysis of the neutral-point voltage balancing conditions after a fault and reconfiguration of the system is also evaluated. Experimental results that prove the correct operation of the proposed topologies are shown. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5166482 [article] Performance evaluation of fault-tolerant neutral-point-clamped converters [texte imprimé] / Ceballos, Salvador, Auteur ; Pou, Josep, Auteur ; Robles, Eider, Auteur . - 2011 . - pp. 2709 - 2718. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 57 N° 8 (Août 2010) . - pp. 2709 - 2718 Mots-clés : Fault tolerance Multilevel converter Neutral-point-clamped (NPC) Reliability Voltage oscillation Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents a study of the fault tolerance capacity of a neutral-point-clamped converter. Different faults in power semiconductors are considered, and the available postfault states of the converter are shown. In regard of the operation limits, two possible solutions are presented. In these solutions, adding a reduced number of additional components, the behavior of the converter when a switch fails improves considerably. Furthermore, an analysis of the neutral-point voltage balancing conditions after a fault and reconfiguration of the system is also evaluated. Experimental results that prove the correct operation of the proposed topologies are shown. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5166482

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