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Wind Energy Science The interactive open-access journal of the European Academy of Wind Energy
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WES | Articles | Volume 3, issue 2
Wind Energ. Sci., 3, 947-960, 2018
https://doi.org/10.5194/wes-3-947-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Wind Energ. Sci., 3, 947-960, 2018
https://doi.org/10.5194/wes-3-947-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research articles 21 Dec 2018

Research articles | 21 Dec 2018

Comparison of planetary bearing load-sharing characteristics in wind turbine gearboxes

Jonathan Keller et al.
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The US Department of Energy's National Renewable Energy Laboratory (NREL) and industry partners successfully demonstrated a new gearbox design using preloaded tapered roller bearings in the planetary section. The new gearbox design demonstrated improved planetary load-sharing characteristics in the presence of rotor pitch and yaw moments, resulting in a predicted gearbox lifetime that is 3.5 times greater than the previous conventional design with cylindrical roller bearings.
The US Department of Energy's National Renewable Energy Laboratory (NREL) and industry partners...
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