NREL researchers and industrial collaborators have completed the fabrication of a new gearbox and power converter software as a part of their ongoing project to create an innovative drivetrain. The innovative, medium speed, medium-voltage wind turbine drivetrain design was developed with CREE, DNV KEMA, Romax Technology, and Vattenfall Windpower. This new drivetrain can increase reliability, decrease mass, improve efficiency, and reduce the cost of wind energy. In addition, the design can scale up to ratings as high as 10 megawatts (MW) while maintaining the lowest possible costs.
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