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Isolated Chargers for EVs Incorporating Six-Phase Machines

Subotic, I and Bodo, N and Levi, E and Jones, M and Levi, V (2016) Isolated Chargers for EVs Incorporating Six-Phase Machines. IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 63 (1). pp. 653-664. ISSN 0278-0046

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Abstract

This paper considers two isolated solutions for fast charging of electric vehicles (EVs). The isolation is located on the grid side (off board), whereas the rest of the charging apparatus is placed on board the EV, and it entirely consists of the existing power electronics components that would be otherwise used only for propulsion. Thus, substantial savings on space, weight, and cost are achieved. The considered configurations fully incorporate either a symmetrical or an asymmetrical six-phase machine, as well as a six-phase inverter, into the charging process. Due to the nature of the connections, torque production is avoided during the charging/vehicle-to-grid (V2G) modes of operation. Thus, the machines do not have to be mechanically locked, and their rotors naturally stay at standstill. Control schemes for both configurations are elaborated, and theoretical results are validated by experiments for the two configurations in both charging and V2G modes.

Item Type: Article
Additional Information: 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
Uncontrolled Keywords: 08 Information And Computing Sciences, 09 Engineering
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering
Divisions: Electronics and Electrical Engineering
Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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Date Deposited: 27 Jan 2016 12:18
Last Modified: 27 Jan 2016 12:18
DOI or Identification number: 10.1109/TIE.2015.2412516
URI: http://researchonline.ljmu.ac.uk/id/eprint/2768

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