Open AccessWake redirection for active power control: a realistic case study
Author(s) -
Matthias Kretschmer,
Steffen Raach,
Julian Taubmann,
Nico Ruck,
PoWen Cheng
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1618/2/022059
Subject(s) - wake , wind power , turbine , marine engineering , offshore wind power , automotive engineering , power (physics) , engineering , tower , drivetrain , environmental science , computer science , torque , aerospace engineering , electrical engineering , structural engineering , physics , quantum mechanics , thermodynamics
This paper presents a realistic case study of how wake redirection can be used to provide ancillary grid service. Wake redirection is a wind farm control approach in which the wake of a wind turbine is redirected by imposing a yaw misalignment to minimise the flow interactions with downwind wind turbines. The increase in power is controlled in our approach to meet a requested power increase. The methodology is implemented in FAST.Farm, a mid-fidelity wind farm simulation tool. In a case study with 12 wind turbines the applicability of the methodology is analysed. Hereby, provision of active power control was achieved in some cases. Structural loads were investigated at tower base, blade root and drivetrain of the turbines, indicating that the concept tends to increase the fatigue damage compared to a baseline case where all turbines are operated with zero yaw misalignment.