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Recommendations on Model Fidelity for Wind Turbine Gearbox Simulations (Presentation), NREL (National Renewable Energy Laboratory)

http://www.nrel.gov/docs/fy15osti/63871.pdf

Presented at the Gearbox Reliability Collaborative Meeting, 17-18 February 2015, Boulder, Colorado

Wind Turbine Condition Monitoring, Reliability Database, and O&M Research Update (Presentation), NREL (National Renewable Energy Laboratory)

http://www.nrel.gov/docs/fy15osti/63868.pdf

Presented at the 2015 Geothermal Resources Council (GRC) Annual Meeting, 17-18 February 2015, Golden, Colorado

Estimation of Blade and Tower Properties for the Gearbox Research Collaborative Wind Turbine

http://www.nrel.gov/docs/fy08osti/42250.pdf

This report documents the structural and modal properties of the blade and tower of a 3-bladed 750-kW upwind turbine to develop an aeroelastic model of the wind turbine.

Gearbox Reliability Collaborative Experimental Data Overview & Analysis (Presentation)

http://www.nrel.gov/docs/fy10osti/48176.pdf

Presented at the WINDPOWER 2010 Conference and Exhibition, 23-26 May 2010, Dallas, Texas

Determining Wind Turbine Gearbox Model Complexity Using Measurement Validation and Cost Comparison: Preprint

http://www.nrel.gov/docs/fy12osti/54545.pdf

To be presented at EWEA 2012; Copenhagen, Denmark; April 16-19, 2012

Wind Turbine Drivetrain Condition Monitoring (Presentation), NREL (National Renewable Energy Laboratory)

http://www.nrel.gov/docs/fy12osti/52908.pdf

This presentation details the Gearbox Reliability Collaborative Condition Monitoring program at NREL

Dynamic Analysis of Wind Turbine Planetary Gears Using an Extended Harmonic Balance Approach: Preprint

http://www.nrel.gov/docs/fy12osti/55355.pdf

To be presented at International Conference on Noise and Vibration Engineering; Leuven, Belgium; September 17-19, 2012

Gearbox Reliability Collaborative Analysis Round Robin: Preprint

http://www.nrel.gov/docs/fy09osti/45325.pdf

The Gearbox Reliability Collaborative is working to determine the causes and loading conditions that result in the premature failure of wind turbine gearboxes.

Wind Turbine Tribology Seminar: A Recap

http://www.nrel.gov/docs/fy12osti/53754.pdf

Tribology is the science and engineering of interacting surfaces in relative motion. It includes the study and application of the principles of friction, lubrication, and wear. It is an important phenomenon that not only impacts the design and operation...

Combined Effects of Gravity, Bending Moment, Bearing Clearance and Input Torque on Wind Turbine Planetary Gear Load Sharing

http://www.nrel.gov/docs/fy12osti/55968.pdf

To be presented at the American Gear Manufacturers Association (AGMA) Fall Technical Meeting; Dearborn, Michigan; October 28 – 30, 2012