Transformerless DC–DC converters with high step-up voltage gain / Yang, Lung-Sheng 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. 3144 - 3152 Titre : Transformerless DC–DC converters with high step-up voltage gain Type de document : texte imprimé Auteurs : Yang, Lung-Sheng, Auteur ; Liang, Tsorng-Juu, Auteur ; Chen,, Jiann-Fuh, Auteur Article en page(s) : pp. 3144 - 3152 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : DC-DC boost converter High step-up voltage gain Power stage Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Conventional dc-dc boost converters are unable to provide high step-up voltage gains due to the effect of power switches, rectifier diodes, and the equivalent series resistance of inductors and capacitors. This paper proposes transformerless dc-dc converters to achieve high step-up voltage gain without an extremely high duty ratio. In the proposed converters, two inductors with the same level of inductance are charged in parallel during the switch-on period and are discharged in series during the switch-off period. The structures of the proposed converters are very simple. Only one power stage is used. Moreover, the steady-state analyses of voltage gains and boundary operating conditions are discussed in detail. Finally, a prototype circuit is implemented in the laboratory to verify the performance. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4926167 [article] Transformerless DC–DC converters with high step-up voltage gain [texte imprimé] / Yang, Lung-Sheng, Auteur ; Liang, Tsorng-Juu, Auteur ; Chen,, Jiann-Fuh, Auteur . - pp. 3144 - 3152. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 56 N° 8 (Août 2009) . - pp. 3144 - 3152 Mots-clés : DC-DC boost converter High step-up voltage gain Power stage Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Conventional dc-dc boost converters are unable to provide high step-up voltage gains due to the effect of power switches, rectifier diodes, and the equivalent series resistance of inductors and capacitors. This paper proposes transformerless dc-dc converters to achieve high step-up voltage gain without an extremely high duty ratio. In the proposed converters, two inductors with the same level of inductance are charged in parallel during the switch-on period and are discharged in series during the switch-off period. The structures of the proposed converters are very simple. Only one power stage is used. Moreover, the steady-state analyses of voltage gains and boundary operating conditions are discussed in detail. Finally, a prototype circuit is implemented in the laboratory to verify the performance. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4926167

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