Wind generation continues to dominate the interconnection queues and the need for generic, standard, and validated publicly available models for variable generation technologies continues as transmission planners are required to study these technologies’ impact on the grid. Sandia is continuing its efforts to fully develop, validate, and disseminate wind-turbine generator (WTG) models for use in […]
Aerodynamic Design Overview
Induced velocity in the rotor wake 0.1-3 diameters downstream of the rotor plane of the NREL 5MW wind turbine reference model, as predicted by a free-wake vortex method. Velocity vectors are projected in the planes shown.
The aerodynamic design of a wind turbine rotor is performed using a combination of […]
Instantaneous contours of stream-wise velocity from a LES of the SWiFT test site using the University of Minnesota VWS.
The Department of Energy’s Scaled Wind Farm Technology (SWiFT) facility was commissioned in 2013 in order to provide an experimental site with research-scale wind turbines for studying wind-turbine wakes and turbine–turbine interactions at […]
The memorandum of understanding (MOU) initiates a relationship between our institutions to better leverage our inherently complementary energy research strengths—focusing on R&D activity in utility-scale power and includes energy storage (batteries, capacitors), grid integration of renewable-energy resources, real-time residential and industrial energy management and control, lifetime degradation and science and various forms of advanced energy […]
Steps to Commercialization
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A non-exhaustive list of test opportunities are:
Rotors and blades
New rotor blades/reference testing
Minimal time and cost is required to exchange rotor blades. Other SWiFT turbines can serve as reference turbines and/or provide upwind turbulence interaction for wind farm study.
Active load control or […]
Test-Bed Wind Turbines Allow Facility Flexibility While Providing Reliable Data in Many Regimes
SWiFT will initially consist of three research-scale wind turbines (modified Vestas V27s) with the first two turbines spaced three diameters apart, perpendicular to the oncoming wind, and the third turbine five diameters downwind. (The turbines form a 3-, 5-, and 6-rotor-diameter-length triangle.) The site […]
Sandia National Laboratories Wind Energy Technologies Department, creates and evaluates innovative large blade concepts for horizontal axis wind turbines to promote designs that are more efficient aerodynamically, structurally, and economically. Recent work has focused on the development of a 100-meter blade for a 13.2 MW horizontal axis wind turbine, a blade which is significantly […]