Nueva Topología de Convertidor Unidireccional de Puente Completo para Energías Renovables (Novel topology for DC-DC full-bridge unidirectional converter for renewable energies)

Manuel Ortega (maortega@ujaen.es), Francisco Jurado (fjurado@ujaen.es), David Vera (dvera@ujaen.es)


Universidad de Jaén
This paper appears in: Revista IEEE América Latina

Publication Date: Dec. 2014
Volume: 12,   Issue: 8 
ISSN: 1548-0992


Abstract:
This article presents a novel topology for DC-DC full-bridge isolated unidirectional converter, with an high frequency transformer. This topology includes a voltage elevator circuit at the input source. The switching technique allows, varying the switching frequency, to obtain soft switching on all the range of load This converter is suitable to connect power generators, like fuel cells or solar panels, to hybrid system. Efficiency and cost are improved due to the voltage boost and switching technique. The converter design is justified and the switching technique of IGBTs is presented. To verify the control algorithm of converter, a laboratory prototype has been built using a Spectrum Digital eZdspTM TMS320F2812 card.

Index Terms:
Converter, voltage elevator, full-bridge, fuel cell, hydrid system   


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