Abstract

Mathematical modeling and analysis of converters is an essential and critical phase in the design stage of the system. High current switching and inductor ripple causes electromagnetic interference in the system. Paralleling of the converters and smart switching control will reduce the stress on the converter switches. Substantial ripple reduction in the source and load current can be achieved by optimally choosing the transfer ratio. Multiphase technique increases the ripple frequency resulting in lesser filter requirements. A two phase bidirectional converter operating in continuous current conduction mode is modeled and digital average current mode control technique is proposed to regulate the output voltage. A 700 watt system is designed and the simulation and experimental results are presented.

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