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Recently, the wireless EV chargers have been spotlighted because of safe, and easy use apparatus. Proposed has been a newly developed large-gap wireless power transfer EV charger which can communicate control signal to a power feeding from a secondary side with no communication equipment. The SEPP inverter WPT apparatus is designed for large-gap loose-coupling condition by characteristic-impedance...
In this paper, the electromagnetic field radiation from wireless power transfer electric vehicles is discussed. As the high power is wirelessly transferred using low frequency, the near field characteristic should be considered and conventional standard measurement is no more valid. To analyze the electric or magnetic fields, the current spectrum was extracted using the circuit simulation with an...
In this paper, the electromagnetic compatibility issues of wireless powered electric vehicle are discussed in the view of electromagnetic field and electromagnetic interference. The magnetic field reduction for human exposure for near field is investigated and the definition of electromagnetic interference measurement is discussed.
This paper presents an experimental RF characterization for a proof of concept called "Electric Vehicle on Electrified Roadway (EVER)", where the energy is fed through dielectric coupling between a steel belt in a tire and a metal plate laid under the road surface. We first put a round aluminum plate of 1,000 mm in diameter directly under a tire whose inner surface is covered with a copper...
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