Effect of the output impedance in multiphase active clamp buck converters

Passive current sharing in multiphase converters, where resistive losses are not dominant, is a quite complex goal. In this paper, an averaged model of an active clamp buck converter was obtained. It has been checked that this topology presents high output impedance. This property is used like a los...

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Detalles Bibliográficos
Autores: de Jódar Bonilla, María Esther, Villarejo Mañas, José Antonio, Soto Vallés, Fulgencio, Suardiaz Muro, Juan
Tipo de recurso: artículo
Fecha de publicación:2008
País:España
Institución:Universidad Politécnica de Cartagena(UPCT)
Repositorio:Repositorio Digital UPCT
OAI Identifier:oai:repositorio.upct.es:10317/651
Acceso en línea:http://hdl.handle.net/10317/651
Access Level:acceso abierto
Palabra clave:Dc-Dc
Convertidores
Intercalación
Convertidores multifásicos
Convertidores en paralelo
Conmutación de voltage cero
Tecnología Electrónica
Descripción
Sumario:Passive current sharing in multiphase converters, where resistive losses are not dominant, is a quite complex goal. In this paper, an averaged model of an active clamp buck converter was obtained. It has been checked that this topology presents high output impedance. This property is used like a lossless passive equalization. The principle of operation, theoretical analysis, simulation, and experimental results are presented, taken from a three-stage laboratory prototype.