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Executive Summary for the SNL SWIFT V27 Wind Turbine Dynamic Characterization

Marinone, Timothy C.; Laros, James H.

This final report summarizes ATA Engineering Inc.'s experimental dynamic characterization of the Sandia National Laboratories (SNL) Scaled Wind Farm Technology (SWIFT) Vestas 27 (V27) wind turbine components and fully assembled turbines. Testing was performed at SNL's SWIFT facility in Lubbock, Texas, from October 2012 through June 2013.Dynamic testing consisted of modal testing of the individual blades, the towers in a free-free boundary condition, the towers bolted to the foundations, and the fully assembled wind turbines. Additionally, modal testing was performed on a hub and two nacelles to determine the mass and inertia properties of these components. Details on these tests can be found in their respective reports.