Active electromagnetic shielding for dynamic high power wireless charging and related electrified roadway systems, method, and wireless power transmitters is disclosed. A wireless power transmitter includes a first canceling coil offset from a power transmission coil, a second canceling coil offset from the power transmission coil, and circuitry electrically connected to the first canceling coil and the second canceling coil. The circuitry is configured to deliver canceling currents to the first canceling coil and the second canceling coil to destructively interfere with portions of electromagnetic fields generated by the power transmission coil.
Active electromagnetic shielding for high power dynamic wireless charging and related systems, methods, and devices
19.11.2024
Patent
Elektronische Ressource
Englisch
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