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Integrated System for Traction and Battery Charging of Electric Vehicles with Universal Interface to the Power Grid

Abstract : This paper proposes an integrated system for traction and battery charging of electric vehicles (EVs) with universal interface to the power grid. In the proposed system, the power electronics converters comprising the traction drive system are also used for the battery charging system, reducing the required hardware, meaning the integrated characteristic of the system. Besides, this interface is universal, since it can be performed with the three main types of power grids, namely: (1) Single-phase AC power grids; (2) Three-phase AC power grids; (3) DC power grids. In these three types of interfaces with the power grid, as well as in the traction drive operation mode, bidirectional operation is possible, framing the integration of this system into an EV in the context of smart grids. Moreover, the proposed system endows an EV with an on-board fast battery charger, whose operation allows either fast or slow battery charging. The main contributes of the proposed system are detailed in the paper, and simulation results are presented in order to attain the feasibility of the proposed system.
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Submitted on : Tuesday, September 24, 2019 - 9:56:40 AM
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Tiago Sousa, Vítor Monteiro, João Afonso. Integrated System for Traction and Battery Charging of Electric Vehicles with Universal Interface to the Power Grid. 10th Doctoral Conference on Computing, Electrical and Industrial Systems (DoCEIS), May 2019, Costa de Caparica, Portugal. pp.355-366, ⟨10.1007/978-3-030-17771-3_31⟩. ⟨hal-02295239⟩

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