Sweden is experimenting with electrified highways using an embedded slot to send power to a vehicle.I see lots of problems with this:How are they going to keep the slot free of debris,resist damage by snow plows,resist corrosion from salt and other ice melting chemicals?
It seems like a fools errand to me.
I proposed using embedded coils(primaries) in the highways,using resonant secondaries in the vehicles.Vehicles would be topped off as they travel,and the cost would be automatically billed to their account via wireless link.
The same method could be used at intersections when the vehicle stops for a traffic light, or especially bus stops for short trips between stops.
Sure it will require significant expense to implement,and vehicles made or modified to use the system,but it would be more efficient than the current battery charging schemes.
The vehicles' energy storage could also be used to trim peak utility loads,by taking a small amount of energy from each vehicle and giving credit for the amount taken.
Vehicles creeping along on the I5 parking lot for instance,require very little energy to move.This is likely to coincide with the most demand.
Comments or suggestions area always welcome.
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