Gearbox architecture – the type of gearing used, the overall gear ratio, the number of increaser stages, the
number of meshes, the ratio combinations, and the gear proportions- can have a profound effect on the
“package”” size of a wind turbine. In this paper the author applies a common set of requirements to a variety of
potential gearbox designs for a2.0mW wind turbine and compares the resulting“geared component’ weights,
gearbox envelope sizes, generator sizes, and generator weights. Each design option is also evaluated for
manufacturing difficulty via a relative cost estimate.
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