Title: A novel ZCS/ZVS bidirectional DC-DC converter for energy storage applications
Authors: Bhajana, V.V.Subrahman. Kumar
Drábek, Pavel
Citation: BHAJANA, V.K., DRÁBEK, P. A novel ZCS/ZVS bidirectional DC-DC converter for energy storage applications. In: International Conference on Applied Electronics (AE 2019) : /proceedings/. Pilsen: University of West Bohemia, 2019. s. 15-20. ISBN 978-80-261-0813-9 , ISSN 1803-7232.
Issue Date: 2019
Publisher: University of West Bohemia
Document type: konferenční příspěvek
postprint
conferenceObject
postprint
URI: 2-s2.0-85074147173
http://hdl.handle.net/11025/36784
ISBN: 978-80-261-0813-9
ISSN: 1803-7232
Keywords in different language: bidirectional DC-DC converter;auxiliary resonant circuit;soft-switching;zero voltage switching;zero current switching
Abstract: In this paper, a new soft-switched non-isolated bidirectional converter is proposed. This proposed converter is operated with soft-switching (zero current switching / zero voltage switching). It is implemented during the turn-on of main switching devices, with the addition of auxiliary resonant circuit that consists of an auxiliary switch, diode, capacitor and an inductor. The switching losses are significantly reduced due to soft-switching operation of the main switches. Therefore, the efficiency of this topology is improved. The additional benefit of this topology is that the auxiliary switches are also operated with soft-switching. The proposed topology observes ZCS turn-on for boost mode and ZVS turn-on for buck mode operations. The principles of operation, design analysis and simulation verifications are discussed in detail. The soft-switching capabilities are obtained from design simulations on the 150V/250V/500W converter system.
Rights: © University of West Bohemia
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Please use this identifier to cite or link to this item: http://hdl.handle.net/11025/36784

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