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Symmetrical hybrid multilevel DC–AC converters with reduced number of insulated DC supplies / Ruiz-Caballero, Domingo A. in IEEE transactions on industrial electronics, Vol. 57 N° 7 (Juillet 2010) 

Public ISBD [article]  in IEEE transactions on industrial electronics > Vol. 57 N° 7 (Juillet 2010) . - pp. 2307 - 2314 Titre : Symmetrical hybrid multilevel DC–AC converters with reduced number of insulated DC supplies Type de document : texte imprimé Auteurs : Ruiz-Caballero, Domingo A., Auteur ; Ramos-Astudillo, Reynaldo M., Auteur ; Mussa, Samir Ahmed, Auteur Article en page(s) : pp. 2307 - 2314 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Dc-ac  converters  Hybrid  inverters  Modulation  Symetrical  multilevel  converters Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Novel symmetric hybrid multilevel topologies are introduced for both single- and three-phase medium-voltage high-power systems. The topology conception is presented in detail, where a three-level switching cell with low component count, and its modulation pattern give the origin of the proposed converters. Voltage sharing and low output-voltage distortion are achieved. The theoretical frequency spectra are derived. Switching devices are separated into high- and low-frequency devices, generating hybrid converters. Five-level three-phase topologies are generated from only three insulated dc sources, while the number of semiconductors is the same as for the cascaded H bridge. Both simulation and experimental results are provided showing the validity of the analysis. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5339229 [article] Symmetrical hybrid multilevel DC–AC converters with reduced number of insulated DC supplies [texte imprimé] / Ruiz-Caballero, Domingo A., Auteur ; Ramos-Astudillo, Reynaldo M., Auteur ; Mussa, Samir Ahmed, Auteur . - pp. 2307 - 2314. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 57 N° 7 (Juillet 2010) . - pp. 2307 - 2314 Mots-clés : Dc-ac  converters  Hybrid  inverters  Modulation  Symetrical  multilevel  converters Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Novel symmetric hybrid multilevel topologies are introduced for both single- and three-phase medium-voltage high-power systems. The topology conception is presented in detail, where a three-level switching cell with low component count, and its modulation pattern give the origin of the proposed converters. Voltage sharing and low output-voltage distortion are achieved. The theoretical frequency spectra are derived. Switching devices are separated into high- and low-frequency devices, generating hybrid converters. Five-level three-phase topologies are generated from only three insulated dc sources, while the number of semiconductors is the same as for the cascaded H bridge. Both simulation and experimental results are provided showing the validity of the analysis. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5339229