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A fully integrated on-board battery charger for electrical vehicles (EVs) has been developed recently using a nine-phase machine. All the components used for propulsion are employed in the charging process, no additional components are required, and there is no need for hardware reconfiguration between charging and propulsion modes of operation. The proposed solution can be connected directly to single-phase...
An obvious obstacle to a wider utilization of electric vehicles (EVs) is the absence of a widely available charging network. Direct charging of EV batteries with dc voltage in charging stations requires deployment of expensive power electronics equipment. On the other hand, placing the same equipment on-board an EV would enable access to any three-phase grid outlet, but would substantially increase...
The paper considers a novel fast charging topology for electric vehicles (EVs). Instead of being made as a separate unit, the proposed on-board charger utilizes power electronics components that already exist inside the vehicle, namely an asymmetrical six-phase propulsion motor and a six-phase inverter. The charger can operate at unity power factor, and is capable of vehicle-to-grid (V2G) operation...
A novel type of fast on-board battery charger, applicable for four-motor electric vehicles (EVs), is presented in the paper. The charger consists exclusively of components that are already present on-board the vehicle. Having no new elements, it has a positive impact on the cost, weight and space saving in the vehicle. A three-phase grid is directly attached to the neutral points of three propulsion...
A new topology for integrated on-board battery charging is proposed in this paper. A symmetrical six-phase machine and inverter, which are used for propulsion, are incorporated into the charging process. The configuration achieves power transfer through the machine without developing an average torque in it during the charging mode. Additional degrees of freedom of six-phase machines are explained...
The paper considers a novel battery charger topology for electrical vehicles (EVs) that utilises an asymmetrical six-phase propulsion machine. A six-phase inverter and the machine are fully integrated into the charging process. The proposed integrated battery charger has the advantages of unity power factor operation and zero average torque production in the machine during the charging mode. The operating...
The paper considers on-board battery charging of electrical vehicles (EVs) using a multiphase voltage source and a multiphase propulsion motor. The multiphase inverter and the multiphase machine are fully integrated into the charging process. The proposed integrated on-board battery charger has an advantage of unity power factor operation with no torque production in the machine during the charging...
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