Wireless power is a new opportunity to rethink how electric
power is delivered to our cars, homes, and work. We are used to thinking about
power delivery through wires, plugs, and even batteries.
As we have seen, transportation is moving forward by using electric energy in
trains, cars, and busses. While you need to plug in your electric car to
charge, wireless magnetic induction is now used to transfer electric energy
instead.
WAVE, in partnership with Utah State
University, developed the first solid-state 25kW wireless power transfer
charging system in North America for bus transit. Designed by USU's Wireless Power transfer team and the Utah Science Technology and Reseach initiative's Advanced Transportation Institute, the prototype Aggie bus is already on the road. New improvements are been developed in terms of space tolerance (making the cgharger work even if things are not perfectly aligned), on power levels and also on efficiencies.
For now, USU is focusing on stationary wireless charging and will launch an electric bus route later on in Salt Lake City at the University of Utah campus. Using a bus at this stage makes sense as a way to test the technology because it,s big, it travels along a fixed route and there is recharge time build into the schedule. Also it helps reduce emissions and noise on campus.
Cheers,
David
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