21 Feb '12, 5pm

The Universal Transformer as EV Fast Charger: Solid state transformers, devices that “digitize” the grid’s alt...

The Universal Transformer as EV Fast Charger: Solid state transformers, devices that “digitize” the grid’s alt...

Solid state transformers , devices that “digitize” the grid’s alternating current for fine-tuned control of complex power flows, has been a tantalizing, yet distant technology for the smart grid for years now. If it’s going to penetrate the grid, it’s likely going to start out in specialized settings -- such as, for example, helping to fast-charge plug-in electric vehicles. That’s the idea behind the Electric Power Research Institute’s new Utility Direct Fast Charger being tested this Thursday, Feb. 23, in Knoxville , Tenn. EPRI will connect a Nissan Leaf and a Mitsubishi i-MiEV to its new direct-current fast charger, aimed at improving efficiency and reducing the complexity of today’s fast charging systems. It’s also another test of EPRI’s underlying “Intelligent Universal Transformer ” technology in a new application. Solid-state transformers are theoretically useful in ...

Full article: http://www.greentechmedia.com/articles/read/the-universal...

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ecouterre.com 21 Feb '12, 9pm

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