Imagine a US football field. Now imagine it slowly spinning in the air over a fiord in Norway. That's about the size of the diameter of new GE wind turbines recently ordered. On Tuesday, GE announced that four 4-megawatt wind turbines will be installed in Rogaland County, on the southwest coast of Norway, in conjunction with the Norwegian energy companies Statoil and Lyse. Assuming that environmental impact studies and funding agreements are successful, GE predicts the turbines will be up and running in 2012.
GE's 4-megawatt wind turbine has a 110-meter rotor diameter. A NFL-regulation football field, including the end zones, is about 109.73 meters.
As with GE's 2.5-megawatt wind turbines, the giant 4-megawatt turbines have direct drive trains that require no gearboxes.
Richard Wottrich
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