Working Principle of Semidual Dynamic Bridge Converter with Dual Source
Journal Title: Elysium Journal of Engineering Research and Management - Year 2016, Vol 4, Issue 1
Abstract
A soft-switching circuit topology derived from the semi dual- Dynamic-bridge converter(S-DDB) get wide attention for applications requiring unidirectional power flow such as the dc-dc stage of a photovoltaic power converters, and battery charger for electrical vehicles. The topology named as the semi dual Dynamic bridge (SDDB) is obtained by replacing the fully Dynamic (four switches) bridge on the load side of a DAB by a semi Dynamic (two switches and diodes) bridge. In addition to the reduced number of Dynamic switches, the topology offers several other advantages including extended zerovoltage switching (ZVS), and smaller output filter requirement. The principle of operation, waveforms in various intervals and power transfer expression are different from the basic DAB topology which presented in detail. In this project Dual source semi dual Dynamic bridge converter is proposed and it exhibits efficient dc power distribution and higher degree of reliability compared to the single source semi dual Dynamic bridge converter. The performances of SDAB are validated through extensive simulation and its results are verified using MATLAB software
Authors and Affiliations
Varathan G. , Ganeshkumar G. , Arunya Revathi A.
Keywords
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