Analysis of the power balance in the cells of a multilevel cascaded H-bridge converter / Vazquez, Sergio in IEEE transactions on industrial electronics, Vol. 57 N° 7 (Juillet 2010)  

Public ISBD [article]  inIEEE transactions on industrial electronics > Vol. 57 N° 7 (Juillet 2010) . - pp. 2287 - 2296 Titre : Analysis of the power balance in the cells of a multilevel cascaded H-bridge converter Type de document : texte imprimé Auteurs : Vazquez, Sergio, Auteur ; Leon, José I., Auteur ; Carrasco, Juan Manuel, Auteur Article en page(s) : pp. 2287 - 2296 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Cascaded converters Multilevel systems Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Multilevel cascaded H-bridge (CHB) converters have been presented as a good solution for high-power applications. In this way, several control and modulation techniques have been proposed for this power converter topology. In this paper, the steady-state power balance in the cells of a single-phase two-cell CHB is studied. The capability to be supplied with active power from the grid or to deliver active power to the grid in each cell is analyzed according to the dc-link voltages and the desired ac output voltage value. The limits of the maximum and minimum input active powers for a stable operation of the CHB are addressed. Simulation results are shown to validate the presented analysis. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5290141 [article] Analysis of the power balance in the cells of a multilevel cascaded H-bridge converter [texte imprimé] / Vazquez, Sergio, Auteur ; Leon, José I., Auteur ; Carrasco, Juan Manuel, Auteur . - pp. 2287 - 2296. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 57 N° 7 (Juillet 2010) . - pp. 2287 - 2296 Mots-clés : Cascaded converters Multilevel systems Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Multilevel cascaded H-bridge (CHB) converters have been presented as a good solution for high-power applications. In this way, several control and modulation techniques have been proposed for this power converter topology. In this paper, the steady-state power balance in the cells of a single-phase two-cell CHB is studied. The capability to be supplied with active power from the grid or to deliver active power to the grid in each cell is analyzed according to the dc-link voltages and the desired ac output voltage value. The limits of the maximum and minimum input active powers for a stable operation of the CHB are addressed. Simulation results are shown to validate the presented analysis. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5290141

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Conventional space-vector modulation techniques versus the single-phase modulator for multilevel converters / Leon, José I. in IEEE transactions on industrial electronics, Vol. 57 N° 7 (Juillet 2010)  

Public ISBD [article]  inIEEE transactions on industrial electronics > Vol. 57 N° 7 (Juillet 2010) . - pp. 2473 - 2482 Titre : Conventional space-vector modulation techniques versus the single-phase modulator for multilevel converters Type de document : texte imprimé Auteurs : Leon, José I., Auteur ; Vazquez, Sergio, Auteur ; Sanchez, Juan A., Auteur Article en page(s) : pp. 2473 - 2482 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Modulation Multilevel system Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Space-vector modulation (SVM) is a well-suited technique to be applied to multilevel converters and is an important research focus in the last 25 years. Recently, a single-phase multilevel modulator has been introduced, showing its conceptual simplicity and its very low computational cost. In this paper, some of the most conventional multilevel SVM techniques have been chosen to compare their results with those obtained with single-phase multilevel modulators. The obtained results demonstrate that the single-phase multilevel modulators applied to each phase are equivalent with the chosen well-known multilevel SVM techniques. In this way, single-phase multilevel modulators can be applied to a converter with any number of levels and phases, avoiding the use of conceptually and mathematically complex SVM strategies. Analytical calculations and experimental results are shown, validating the proposed concepts. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5290136 [article] Conventional space-vector modulation techniques versus the single-phase modulator for multilevel converters [texte imprimé] / Leon, José I., Auteur ; Vazquez, Sergio, Auteur ; Sanchez, Juan A., Auteur . - pp. 2473 - 2482. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 57 N° 7 (Juillet 2010) . - pp. 2473 - 2482 Mots-clés : Modulation Multilevel system Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Space-vector modulation (SVM) is a well-suited technique to be applied to multilevel converters and is an important research focus in the last 25 years. Recently, a single-phase multilevel modulator has been introduced, showing its conceptual simplicity and its very low computational cost. In this paper, some of the most conventional multilevel SVM techniques have been chosen to compare their results with those obtained with single-phase multilevel modulators. The obtained results demonstrate that the single-phase multilevel modulators applied to each phase are equivalent with the chosen well-known multilevel SVM techniques. In this way, single-phase multilevel modulators can be applied to a converter with any number of levels and phases, avoiding the use of conceptually and mathematically complex SVM strategies. Analytical calculations and experimental results are shown, validating the proposed concepts. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5290136

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Energy storage systems for transport and grid applications / Vazquez, Sergio in IEEE transactions on industrial electronics, Vol. 57 N° 12 (Décembre 2010)  

Public ISBD [article]  inIEEE transactions on industrial electronics > Vol. 57 N° 12 (Décembre 2010) . - pp. 3881 - 3895 Titre : Energy storage systems for transport and grid applications Type de document : texte imprimé Auteurs : Vazquez, Sergio, Auteur ; Lukic, Srqjan M., Auteur ; Galvan, Eduardo, Auteur Année de publication : 2011 Article en page(s) : pp. 3881 - 3895 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Batteries Compenssed air energy storage (CAES) Energy Flywheel Fuel cell Power conversion electronics Renewable Supercapacitors Superconductive magnetic (SMES) Thermoelectric (TEES) Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Energy storage systems (ESSs) are enabling technologies for well-established and new applications such as power peak shaving, electric vehicles, integration of renewable energies, etc. This paper presents a review of ESSs for transport and grid applications, covering several aspects as the storage technology, the main applications, and the power converters used to operate some of the energy storage technologies. Special attention is given to the different applications, providing a deep description of the system and addressing the most suitable storage technology. The main objective of this paper is to introduce the subject and to give an updated reference to nonspecialist, academic, and engineers in the field of power electronics. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5582228 [article] Energy storage systems for transport and grid applications [texte imprimé] / Vazquez, Sergio, Auteur ; Lukic, Srqjan M., Auteur ; Galvan, Eduardo, Auteur . - 2011 . - pp. 3881 - 3895. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 57 N° 12 (Décembre 2010) . - pp. 3881 - 3895 Mots-clés : Batteries Compenssed air energy storage (CAES) Energy Flywheel Fuel cell Power conversion electronics Renewable Supercapacitors Superconductive magnetic (SMES) Thermoelectric (TEES) Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Energy storage systems (ESSs) are enabling technologies for well-established and new applications such as power peak shaving, electric vehicles, integration of renewable energies, etc. This paper presents a review of ESSs for transport and grid applications, covering several aspects as the storage technology, the main applications, and the power converters used to operate some of the energy storage technologies. Special attention is given to the different applications, providing a deep description of the system and addressing the most suitable storage technology. The main objective of this paper is to introduce the subject and to give an updated reference to nonspecialist, academic, and engineers in the field of power electronics. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5582228

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Unidimensional modulation technique for cascaded multilevel converters / Leon, José I. in IEEE transactions on industrial electronics, Vol. 56 N° 8 (Août 2009)  

Public ISBD [article]  inIEEE transactions on industrial electronics > Vol. 56 N° 8 (Août 2009) . - pp. 2981 - 2986 Titre : Unidimensional modulation technique for cascaded multilevel converters Type de document : texte imprimé Auteurs : Leon, José I., Auteur ; Vazquez, Sergio, Auteur ; Kouro, Samir, Auteur Article en page(s) : pp. 2981 - 2986 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Modulation Multilevel systems Voltage control Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents a simple and low-computational-cost modulation technique for multilevel cascaded H-bridge converters. The technique is based on geometrical considerations considering a unidimensional control region to determine the switching sequence and the corresponding switching times. In addition, a simple strategy to control the dc-voltage ratio between the H-bridges of the multilevel cascaded converter is presented. Examples for the two-cell topology are shown, but the proposed technique can be applied to develop modulation methods for a higher number of H-bridges. Experimental results are presented to validate the proposed technique. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4801640 [article] Unidimensional modulation technique for cascaded multilevel converters [texte imprimé] / Leon, José I., Auteur ; Vazquez, Sergio, Auteur ; Kouro, Samir, Auteur . - pp. 2981 - 2986. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 56 N° 8 (Août 2009) . - pp. 2981 - 2986 Mots-clés : Modulation Multilevel systems Voltage control Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents a simple and low-computational-cost modulation technique for multilevel cascaded H-bridge converters. The technique is based on geometrical considerations considering a unidimensional control region to determine the switching sequence and the corresponding switching times. In addition, a simple strategy to control the dc-voltage ratio between the H-bridges of the multilevel cascaded converter is presented. Examples for the two-cell topology are shown, but the proposed technique can be applied to develop modulation methods for a higher number of H-bridges. Experimental results are presented to validate the proposed technique. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4801640

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