Overview of drivetrains, gearboxes and direct drives technologies
Improvements in drivetrains are expected to emerge in tandem with the overall growth in the wind turbine sector. New developments may include single-stage gearboxes, direct drive systems and permanent magnet generators. The advancements in direct-drive magnets and generator designs for wind turbines have resulted in low-cost and lighter wind turbines. The cost of permanent magnets used in direct drive turbines has also decreased which has further increased the prospect of direct-drive turbines.
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