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Title: Recommendations on Model Fidelity for Wind Turbine Gearbox Simulations: Preprint

This work investigates the minimum level of fidelity required to accurately simulate wind turbine gearboxes using state-of-the-art design tools. Excessive model fidelity including drivetrain complexity, gearbox complexity, excitation sources, and imperfections, significantly increases computational time, but may not provide a commensurate increase in the value of the results. Essential design parameters are evaluated, including the planetary load-sharing factor, gear tooth load distribution, and sun orbit motion. Based on the sensitivity study results, recommendations for the minimum model fidelities are provided.
Authors:
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Publication Date:
OSTI Identifier:
1170343
Report Number(s):
NREL/CP-5000-63444
DOE Contract Number:
AC36-08GO28308
Resource Type:
Conference
Resource Relation:
Conference: To be presented at the Conference for Wind Power Drives (CWD), 3-4 March 2015, Aachen, Germany
Research Org:
National Renewable Energy Laboratory (NREL), Golden, CO.
Sponsoring Org:
USDOE Office of Energy Efficiency and Renewable Energy Wind Power Technologies Office
Country of Publication:
United States
Language:
English
Subject:
17 WIND ENERGY; WIND TURBINES; SIMULATION; NATIONAL RENEWABLE ENERGY LABORATORY MODEL FIDELITY; GEARBOX; WIND TURBINE; SIMULATION; DESIGN PARAMETERS; NREL; Wind Energy