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Abstract

The paper is a summary of the research conducted so far on the ultrafast charging issues of electric vehicles with the main emphasis on the infrastructure. In order to estimate the load curve and peaks resulting from high charging rate, simulations are carried out initially to determine energy and power ratings. Energy storage options for filtering out the perspective peaks are discussed with applicable power interfaces between the grid, the vehicle and the storage buffer. Finally, an ultrafast charging architecture based on cascaded H-bridge converters is proposed.

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