Reconfigurable Converter with Multiple-Voltage Multiple-Power for E-Mobility Charging

Dahidah, MSA; Liu, H; Agelidis, VG

doi:10.23919/IPEC.2018.8507550

Reconfigurable Converter with Multiple-Voltage Multiple-Power for E-Mobility Charging

Lookup NU author(s): Dr Mohamed Dahidah, He Liu Liu

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Abstract

© 2018 IEEJ Industry Application Society. This paper presents a reconfigurable power electronic converter that is able to produce multiple output voltages and multiple output powers to cater for the growing demand of electrified mobility (e-mobility) apparatus. The proposed converter aims to accommodate different charging needs for different e-mobility apparatus, unlike the existing charging infrastructure where it has been designed for a specific type and can only charge one equipment at a time. The proposed charger utilizes the well-known four-leg three-phase converter, three single-phase medium frequency transformers with multiple secondary windings and Active Front-End (AFE) bidirectional PWM rectifier modules. While the high frequency ac enables a compact system, with smaller passive components; the four-leg converter accommodates the potential unbalance caused by simultaneously charging different e-mobility apparatus. The proposed charging system also enables vehicle-to-grid (V2G) operation if required. The feasibility of the proposed reconfigurable power electronic converter is confirmed by intensive simulation studies for different charging scenarios.