The experiment took place on a 400-metre stretch of US Highway 52/231 in Indiana, where a patent-pending dynamic wireless power transfer system was installed beneath the concrete
Coils installed below the concrete. PIC COURTESY/Kelsey Lefever
Engineers have made a breakthrough that could transform how electric vehicles stay powered on the road after wirelessly charging a heavy-duty electric truck traveling at highway speeds.
The experiment took place on a 400-metre stretch of US Highway 52/231 in Indiana, where a patent-pending dynamic wireless power transfer system was installed beneath the concrete.
A modified Cummins Class 8 electric semitractor then drove over the hidden coil system at 105 kmph. It reportedly drew an impressive 190 KW of power while in motion. The road system uses transmitter coils embedded in the roadway that generate a magnetic field. The electric semi carries receiver coils mounted under its chassis.
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