South Korea debuts world's first electric car-charging road

    2013/08/08

NSFW    South Korea has rolled out the world's first network of roads that power electric vehicle as they drive in the city of Gumi.

The power is wirelessly delivered by cables below the road's surface via Shaped Magnetic Field in Resonance, a technology developed by the Korea Advanced Institute of Science and Technology. The cables underground run 100 kilowatts of power at a specific frequency of 20 kHz, creating a 20 kHZ electromagnetic field. The frequency is detected by a pick-up coil underneath the bus, which then produces AC electricity through magnetic resonance.

The bus is equipped with a small battery, which is about one-third the size of the battery in a conventional electric vehicle. It reportedly makes the system more efficient as the buses weigh less and consume less energy.

The electric road is 24 kilometres long and the system currently works with two public electric buses. It is reported that 10 more buses will be added to the network by 2015.
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Today's Angels ,Thursday, August 8th, 2013

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