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Title: A dynamic model of wind turbine yaw for active farm control

Journal Article · · Wind Energy
DOI: https://doi.org/10.1002/we.2884 · OSTI ID:2282705
ORCiD logo [1];  [2]; ORCiD logo [3];  [2]
  1. National Renewable Energy Laboratory (NREL), Golden, CO (United States). National Wind Technology Center; Johns Hopkins Univ., Baltimore, MD (United States)
  2. Johns Hopkins Univ., Baltimore, MD (United States)
  3. National Renewable Energy Laboratory (NREL), Golden, CO (United States). National Wind Technology Center

This paper presents a graph-based dynamic yaw model to predict the dynamic response of the hub-height velocities and the power of a wind farm to a change in yaw. The model builds on previous work where the turbines define the nodes of the graph and the edges represent the interactions between turbines. Advances associated with the dynamic yaw model include a novel analytical description of the deformation of wind turbine wakes under yaw to represent the velocity deficits and a more accurate representation of the interturbine travel time of wakes. The accuracy of the model is improved by coupling it with time- and space-dependent estimates of the wind farm inflow based on real-time data from the wind farm. The model is validated both statically and dynamically using large-eddy simulations. An application of the model is presented that incorporates the model into an optimal control loop to control the farm power output.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Wind Energy Technologies Office
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
2282705
Report Number(s):
NREL/JA--5000-87018; MainId:87793; UUID:8d82b19d-13ee-45f7-af2d-1134286b09fa; MainAdminId:70433
Journal Information:
Wind Energy, Journal Name: Wind Energy Journal Issue: 11 Vol. 27; ISSN 1095-4244
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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