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Single-Phase Bridgeless Converter for On-Board EV Charger with Flexible Charging Capabilities

journal contribution
posted on 2023-09-27, 05:16 authored by Sukanya Dutta, Akshay Kumar RathoreAkshay Kumar Rathore, Vinod Khadkikar

This article puts forward the analysis and design of single-phase bridgeless Cuk-derived DC-DC converter for a novel vehicle-to-vehicle (V2V) charge transfer technique. V2V charging adds flexibility in EV charging process and aids in mitigating range anxiety. Proposed V2V charge transfer technique has only one power conversion stage and only one onboard charger is used to charge the battery. The charger is capable of both grid-to-vehicle (G2V) and V2V charging. The converter design is in discontinuous conduction mode (DCM) which reduces the control complexity. The converter has lower component count rendering the charger lightweight, power dense, and cost effective. The overall converter efficiency is high owing to low switching losses. This work has been compared to several state-of-the art V2V topologies and configuration. The complete steady state analysis and converter design operating in DC charging mode have been presented. Moreover, to validate the analysis, design, and applicability of the converter for DC V2V charge transfer, PSIM simulation and laboratory-based hardware prototype have been built and the experimental results are provided.


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IEEE Journal of Emerging and Selected Topics in Industrial Electronics

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