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Impacts of Different Charging Strategies on the Electric Vehicle Battery Charger Circuit Using Phase-Shift Full-Bridge Converter

Conference Paper (2021)
Author(s)

Dingsihao Lyu (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Thiago Batista Soeiro (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Pavol Bauer (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Research Group
DC systems, Energy conversion & Storage
DOI related publication
https://doi.org/10.1109/PEMC48073.2021.9432497 Final published version
More Info
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Publication Year
2021
Language
English
Research Group
DC systems, Energy conversion & Storage
Article number
9432497
Pages (from-to)
256-263
ISBN (print)
978-1-7281-5661-3
ISBN (electronic)
978-1-7281-5660-6
Event
2021 IEEE 19th International Power Electronics and Motion Control Conference (PEMC)<br/> (2021-04-25 - 2021-04-29), The Silesian University of Technology, Online Conference/Gliwice, Poland
Downloads counter
163

Abstract

This paper compares the influences of two different charging strategies on the performance of the Electric Vehicle (EV) charging system, including the EV battery, the Battery Management System (BMS), and the power electronic converter. Firstly, the two types of EV charging strategies are explained. Herein, the characteristics, the influences on the EV battery, and the respective requirements for the hardware and communication of the BMS and power electronic converter are summarized. Secondly, a simulation case study is conducted to investigate the influences of the two charging strategies on the performance of a typical power electronic converters employed as a back-end converter of a fast EV charger. A modular 50kW DC-DC EV charger constructed with five parallel-connected 10kW Phase-Shift Full-Bridge (PSFB) DC-DC converter is modelled with two different charging strategies, and two comparison metrics are proposed for a benchmark: the charging-cycle efficiency and the installation utilization rate. The results show that these two comparison metrics are influenced by the charging strategies of the EV.