IEEE: wind-farms unprofitable

Mike O'Dell mo at
Wed May 26 21:47:06 CDT 2010

It's common knowledge in the wind biz that gearboxes are the Achilles Heel of turbines. That is why there's a huge push for direct-drive turbines. GE Wind's new 4 megawatt turbine designed specifically for offshore use is direct drive. Generators are rare earth permanent magnet units with rectifier inverters to make grid sync 60 Hz.


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On May 26, 2010, at 5:24 PM, andre kesteloot <andre.kesteloot at> wrote:

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