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Electric Buses Test Wireless Charging in Germany | Autopia | Wired.com

Inductive charging allows buses to keep batteries topped-off on the go and utilize smaller cells to maximize passenger space. Photo: Bombardier

Passengers on the 63 bus route in Mannheim, Germany may notice their ride got a little quieter. That’s thanks to a trial of two electric buses in the city, but it’s the use of inductive charging to stay on schedule without hanging wires or long recharge times that’s far more interesting.

The project, part of Bombardier’s trial of their PRIMOVE inductive charging technology, is designed to demonstrate that an electric bus can operate a demanding passenger route without stopping to recharge. The secret isinductive charging, which uses a charging pad buried under the road’s surface to send energy to the bus batteries when the two are magnetically “tuned.” In the case of the PRIMOVE system in use in Mannheim, the charging pads are only switched on when a vehicle passes above.

Because the bus is on a fixed route, induction charging makes quite a bit of sense. Since charging pads will be installed at stops along the route that the 63 bus in Mannheim takes, it will be able to run without interruption and charge while it’s picking up passengers.

More http://www.wired.com/autopia/2013/03/wireless-charging-bus-germany/

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