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TitleThree-phase three-level current-source converter for EVs fast battery charging systems
Author(s)Monteiro, Vítor Duarte Fernandes
Exposto, Bruno Fernandes
Pinto, J. G.
Sepúlveda, M. J.
Meléndez, Andrés A. Nogueiras
Afonso, João L.
KeywordsElectric Vehicle
Current-Source Converter
Fast Battery Charger
Issue dateMar-2015
CitationMonteiro, V., Exposto, B., Pinto, J. G., Sepulveda, M. J., Melendez, A. A. N., & Afonso, J. L. (2015). Three-phase three-level current-source converter for EVs fast battery charging systems. Paper presented at the Proceedings of the IEEE International Conference on Industrial Technology.
Abstract(s)This paper presents a three-phase three-level fast battery charger for electric vehicles (EVs) based in a current-source converter (CSC). Compared with the traditional voltage-source converters used for fast battery chargers, the CSC can be seen as a natural buck-type converter, i.e., the output voltage can assume a wide range of values, which varies between zero and the maximum instantaneous value of the power grid phase-to-phase voltage. Moreover, using the CSC it is not necessary to use a dc-dc back-end converter in the battery side, and it is also possible to control the grid current in order to obtain a sinusoidal waveform, and in phase with the power grid voltage (unitary power factor). Along the paper is described in detail the proposed CSC for EVs fast battery charging systems: the circuit topology, the power control theory, the current control strategy and the grid synchronization algorithm. Several simulation results of the EV fast battery charger operating with a maximum power of 50 kW are presented.
TypeConference paper
AccessOpen access
Appears in Collections:CAlg - Artigos em livros de atas/Papers in proceedings

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