Stellantisthrough a model Fiat 500 electrichas tested a system on the A35 Brebemi to recharge the car while it is in motion, thanks to a detail dynamic induction system called Dynamic Wireless Power Transfer (DWPT). The Arena del Futuro circuit near Chiari hosted the tests, where promising results appear to have been achieved. The electric 500 would have been able to travel at high speeds without consuming the energy stored in the battery
The DWPT is an innovative system, consisting of coils placed under the asphalt that transfer energy directly to cars, trucks and buses. The technology can be adapted to all vehicles equipped with a special receiver, capable of transferring the energy coming from the road infrastructure directly to the electric motor.
The tests, according to what Stellantis communicates, have shown how the efficiency of the energy flow coming from the asphalt and directed to the car is comparable to the typical efficiency of fast charging stations. The measurements relating to the intensity of the magnetic field would have given, fortunately, positive results, with the absence of any effect on the driver, passengers and pedestrians. It is not clear what the long-term or very long-term impact might be.
There could potentially be a number of benefits to this system. We talk about reduction of power losses in the electricity distribution process; of direct integration with renewable sources with no need for DC to AC conversion; possibility to use thinner cables and therefore less heavy and less bulky, with the use of aluminum instead of copper. In particular, with aluminum you spend less and it is easier to recycle it.
Clearly, should this system be cleared, there will be gods installation costs which will have to be taken into account. However, at the motorway level it could be a technology capable of changing the perception of the electric car, because theoretically the concept of charging anxiety would disappear.
Anne-Lise Richard, Head of Global e-Mobility Business Unit at Stellantis, said: “We have shown that inductive charging technology can power our electrified future. These joint projects are exciting steps forward on the path to extended battery life, less runtime anxiety, greater energy efficiency, reduced battery size, exceptional performance, and reduced weight and cost.“. A Maserati Grecale Folgore will also be tested with the DWPT in the near future.
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