Tuesday, June 18, 2013

Volvo Planning 'Electric Roads' to Charge Electric Vehicles

This should be a height of innovations that would 'wirelessly' charge the electric vehicles as they move on the roads.

The method, developed by the Volvo Group and the Swedish power company Alstom with support from the Swedish Energy Agency, would involve putting two power lines directly into the road. As vehicles pass over, they’d continuously be supplied with electricity.

Alstom has constructed a 400 meter (1,312 ft) -long track at a facility in Hällered near Gothenburg, to test a truck fitted with a special collector that draws its power from rails installed into the surface of the road. 

The two power rails/lines run along the road's entire length. One is a positive pole, and the other is used to return the current. The lines are sectioned so that live current is only delivered to a collector mounted at the rear of, or under, the truck if an appropriate signal is detected.

As an additional safety measure, the current flows only when the vehicle is moving at speeds greater than 60 km/h (37 mph). But how would a driver keep the vehicles exactly on the electric lines at speeds higher than 60 km/h?

Read more about it at: gizmag
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