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SwRI announces break-through in electric-vehicle technology

Scientists with Southwest Research Institute have developed the first electric vehicle aggregation system using the Society of Automotive Engineers’ standard for bidirectional charging systems.

In laymen’s terms, this technology can allow electric vehicles to be recharged, but also transfer power back onto the grid.

SwRI developed the system as part of the Smart Power Infrastructure Demonstration for Energy Reliability and Security (SPIDERS) Phase II program.

Five direct current fast-charge stations were installed at Fort Carson in Colorado Springs, Colo. In August, the system passed integration and acceptance testing. Electric vehicles from two vehicle manufacturers were successfully equipped with bidirectional charging interfaces.

“The SwRI aggregation system manages a fleet of electric vehicles, controlling both vehicle charging and microgrid needs and supporting vehicle schedules as well as supplementing the base’s energy supply,” says Sean Mitchem, project manager and a principal analyst in SwRI’s Automation and Data Systems Division.


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