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A new non-isolated ZCS bidirectional buck–boost DC–DC converter for energy storage applications in electric vehicles

Citace:
BHAJANA, V. K., DRÁBEK, P. A new non-isolated ZCS bidirectional buck?boost DC?DC converter for energy storage applications in electric vehicles. Arabian Journal for Science and Engineering, 2015, roč. 40, č. 12, s. 3595-3605. ISSN: 1319-8025
Druh: ČLÁNEK
Jazyk publikace: eng
Anglický název: A new non-isolated ZCS bidirectional buck?boost DC?DC converter for energy storage applications in electric vehicles
Rok vydání: 2015
Autoři: V.V.Subrahman. Kumar Bhajana , Doc. Ing. Pavel Drábek Ph.D. ,
Abstrakt EN: This paper proposes a new ZCS non-isolated bidirectional buck?boost DC?DC converter for energy storage applications. The conventional bidirectional converter derived with auxiliary edge resonant cell to obtain ZCS turnon/ turn-off condition of the main switches. The proposed converter is operated in boost and buck modes with softswitching operations in order to have minimized current stresses and reduced switching losses since the resonating current for the zero-current switching does not flow through the main switches. The proposed converter improves the overall efficiency over hard-switching converter for high-power energy storage applications. This paper mainly describes the operation principles of the topology, simulation evaluation, and its validation by the experimental results on 50V?120V?300W system, which proved the soft-switching capability of this converter and its performance.
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