Extreme Fast Charging Technology—Prospects to Enhance Sustainable Electric Transportation

Deepak Ronanki, Apoorva Kelkar and Sheldon S. Williamson
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Deepak Ronanki: Electric Mobility and Transportation Innovation (E-MOTION) Laboratory, Smart Transportation Electrification and Energy Research (STEER) Group, Department of Electrical, Faculty of Engineering and Applied Science, Computer and Software Engineering, University of Ontario Institute of Technology, Oshawa, ON L1G 0C5, Canada
Apoorva Kelkar: Electric Mobility and Transportation Innovation (E-MOTION) Laboratory, Smart Transportation Electrification and Energy Research (STEER) Group, Department of Electrical, Faculty of Engineering and Applied Science, Computer and Software Engineering, University of Ontario Institute of Technology, Oshawa, ON L1G 0C5, Canada
Sheldon S. Williamson: Electric Mobility and Transportation Innovation (E-MOTION) Laboratory, Smart Transportation Electrification and Energy Research (STEER) Group, Department of Electrical, Faculty of Engineering and Applied Science, Computer and Software Engineering, University of Ontario Institute of Technology, Oshawa, ON L1G 0C5, Canada

Energies, 2019, vol. 12, issue 19, 1-17

Abstract: With the growing fleet of a new generation electric vehicles (EVs), it is essential to develop an adequate high power charging infrastructure that can mimic conventional gasoline fuel stations. Therefore, much research attention must be focused on the development of off-board DC fast chargers which can quickly replenish the charge in an EV battery. However, use of the service transformer in the existing fast charging architecture adds to the system cost, size and complicates the installation process while directly connected to medium-voltage (MV) line. With continual improvements in power electronics and magnetics, solid state transformer (SST) technology can be adopted to enhance power density and efficiency of the system. This paper aims to review the current state of the art architectures and challenges of fast charging infrastructure using SST technology while directly connected to the MV line. Finally, this paper discusses technical considerations, challenges and introduces future research possibilities.

Keywords: electric vehicles; energy storage; fast charging station; power converters; solid state transformer; transportation electrification (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (23)

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