Title: Improved Non-Isolated Bidirectional DC-DC Converter Assisted with an Active Resonant Network
Authors: Bhajana, V.V. Subrahmanya Kumar
Drábek, Pavel
Citation: 2022 International Conference on Applied Electronics: Pilsen, 6th – 7th September 2022, Czech Republic, p. 39-44.
Issue Date: 2022
Publisher: Fakulta elektrotechnická ZČU
Document type: konferenční příspěvek
URI: http://hdl.handle.net/11025/49847
ISBN: 978-1-6654-9482-3
Keywords: aktivní rezonanční síť;obousměrný převodník;měkké přepínání;přepínání nulového napětí;spínání nulového proudu
Keywords in different language: active resonant network;bidirectional converter;soft-switching;zero voltage switching (ZVS);zero current switching (ZCS)
Abstract in different language: This paper proposes a new non-isolated bidirectional dc-dc converter (NI-BDC) with an auxiliary resonant network (ARN) that is typically operated in both boost and buck modes. Regardless the direction of power flow, soft-switching capabilities such as zero voltage switching (ZVS) and zero current switching (ZCS) conditions has been obtained under light and heavy loads. This converter avoids the need of coupled inductors as against conventional converters thus reducing the size of the converter and minimizes the device count. The auxiliary resonant network mainly consisting of resonant inductor, capacitor, auxiliary switch and a diode. Furthermore, the zero voltage switching and zero current switching conditions have been achieved in both boost and buck modes that reduces reverse recovery conduction period of the body diodes of all the power switches. The proposed converter operates with soft-switching at constant switching frequency giving continuous inductor current. The detailed operating principles for boost and buck modes are described. The theoretical analysis and simulation results are presented.
Rights: © IEEE
Appears in Collections:Konferenční příspěvky / Conference Papers (KEV)
Applied Electronics 2022
Applied Electronics 2022

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