期刊
IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION
卷 6, 期 2, 页码 439-452出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TTE.2020.2998799
关键词
Batteries; Inductors; Switches; Pins; DC-DC power converters; Capacitors; Transportation; Bidirectional dc-dc converter solar PV system; electric vehicles (EVs); inductor voltage detection (IVD); power factor correction (PFC)
A novel integrated converter for electric vehicles (EVs) is proposed in this article. For battery-charging operation, the proposed converter system enables a complementary deployment of the utility grid and a solar photovoltaic (PV) system. Since both sources (acting one at a time) utilize the same converter, the developed charging system, therefore, has a smaller number of components. In addition, an inductor voltage detection (IVD) technique has been incorporated to correct the power factor (PF) in continuous conduction mode (CCM), which eliminates the need for a current sensor for PF correction (PFC). The proposed system operates for all the modes required for an EV, e.g., charging, propulsion (PRN), and regenerative braking (RBG). In charging mode (with either grid or solar PV), the proposed system operates as an isolated secondary ended primary inductance converter (SEPIC) converter. In PRN and RBG modes, it operates as a boost converter and a buck converter, respectively. Details of all these modes are described in the article, along with the design of the components. In addition, results of simulation and experimental studies are presented for a 1-kW setup based on the proposed configuration. A comparison with other topologies shows the technoeconomic competence of the proposed system.
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