The receiver operates with a nominal airgap of just 17 cm above the coil.
Busses are the Beginning The OLEV system buries a “power track” in the road, which powers the buses wirelessly via receivers mounted underneath. Plus, since cars move at quite a rapid pace, an inductive charging system that could handle this dynamic condition would require huge numbers of coils buried repeatedly into the road bed. And, while a phone can sit neatly on top of a charging pad, EVs typically require a fair bit of ground clearance for safely navigating the road. When it comes to charging an electric vehicle, huge power levels are required, in the range of tens to hundreds of kilowatts. Taking these ideas from concept into reality is difficult, though. Power is delivered to coils in the roadway, and then picked up via induction by a coil on the moving vehicle. Many are similar to the way we commonly charge phones these days, using inductive power transfer via magnetic coils. Over the years, many proposals have been made to power or charge electric vehicles as they drive down the road.
However, a new wireless charging setup could allow you to juice up on the go. It’s been the major bugbear of electric vehicles since they started hitting the road in real numbers. If there isn’t a high-speed DC charger available, this can mean waiting for hours while your battery tops up. One of the primary issues with EVs is that you need to pull over and stop to get a charge.
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