Greatly Improved EV Charger Design Developed, Faster & Cheaper Charging
A new, greatly improved electric vehicle charger design has been developed by researchers at the Chalmers University of Technology. The unique integrated motor drive and battery charger greatly shorten the charging time, from about 8 hours to 2, and reduce the cost by around $2000, as compared to currently used designs.
“Saeid Haghbin and his co-workers have developed unique solutions for isolated and non-isolated integrated electrical vehicle chargers.”
Photo Credit: Peter Widing
“Instead of having a separate isolated battery charger, we introduced a new concept for the power transfer, the rotating transformer, which was developed to transfer electric power while rotating,” says Saeid Haghbin. “The battery is charged through the transformer and a split-phase electric motor that was especially designed for this purpose.”
As of now, the ‘Chalmers Integrated Charger’ is still on the laboratory level, still needing further refinements in order to create a more optimal system, according to the researchers. But the design has already attracted the attention of Volvo AB, and both a Swedish and an international patent are pending.
“Electric cars have been discussed as a possible solution to reduce carbon emissions for a long time, but scientists debate whether this mode of transportation is the future or not,” says Saeid Haghbin. “If we manage to solve the main problems with the battery and the battery chargers, I think the electric vehicles will succeed. And in general, I think electric transportation will become more common in the future, for example trains, trams and plug-in hybrids.”
Greatly Improved EV Charger Design Developed, Faster & Cheaper Charging was originally published on: CleanTechnica. To read more from CleanTechnica, join over 30,000 others and subscribe to our free RSS feed, follow us on Facebook (also free!), follow us on Twitter, or just visit our homepage (yep, free).
2013-05-02 04:16:43
Source: http://cleantechnica.com/2013/05/02/ev-charger-design-breakthrough-faster-and-cheaper-charging/
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