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Tuesday, 07/17/2007 6:53:30 AM

Tuesday, July 17, 2007 6:53:30 AM

Post# of 35337
Boise State's wind research

"The main problem with wind turbines in general is that electrical generators want to run at a fairly constant speed, and the wind is not nearly as cooperative," Gardner said. "So what we want to do is allow the rotors to move at the best speed for the wind at that moment, and generators run at a constant speed — so it's like an automatic transmission."

The idea, called "continuously variable transmission," is among the federal government's research priorities. Five BSU faculty members are working on it now.

Large turbines used in the world's largest wind farms already overcome the problem, Gardner said, by using variable pitch rotors and other approaches. But those are expensive and difficult to maintain, and they don't work well for small turbines.

http://www.idahostatesman.com/business/story/108920.html

This would be a good spot for an IVT from Torvec.


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