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This paper presents a prototype development of a battery-less EV for dynamic wireless power transfer. To dynamically transmit HF power from the roadway, we propose a kind of capacitive coupling scheme called Via-Wheel Power Transfer (V-WTP). This scheme transmits HF power from a pair of rails consisting of metal plates under the roadway to the EV via steel belts in tires and wheels. To transmits HF...
This paper demonstrates 1 kW power transfer to an Electric Vehicle on Electrified Roadway prototype. To gain a sufficient efficiency to drive the motor onboard, we create a high-kQ capacitive coupling scheme of Via-Wheel Power Transfer. To enhance kQ, newly developed wheel uprights play the pivotal role in effective electrical insulation of the wheels from the vehicle frame. We also develop 1 kW impedance...
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