1. Arno Brand Thomas Bak Torben Knudsen et al. Gerrit van de Molen et al. Mato Baotić et al. Anders Rantzer et al. Quasi-steady Wind Farm Control Models FP7-ICT STREP 224548 / Aeolus

2. 2 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook  Motivation & History  Developments  Another model  Comparison  Summary & Outlook Outline FP7-ICT STREP 224548 / Aeolus

3. 3 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook FP7-ICT STREP 224548 / Aeolus Motivation & History Source: Knudsen et al., Euromech 508, 2009

4. 4 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook FP7-ICT STREP 224548 / Aeolus Motivation & History Source: Johnson & Thomas, 2009 ACC, 2009

5. 5 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook FP7-ICT STREP 224548 / Aeolus Motivation & History

6. 6 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook Decentralized Dynamic State-space Controller FP7-ICT STREP 224548 / Aeolus Developments Torben Knudsen, Mohsen Soltani, Thomas Bak

7. 7 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook Dynamic Wind Flow Model State-space representation Wind Speed Thrust Coefficient Maryam Soleimanzadeh, Rafael Wisniewski FP7-ICT STREP 224548 / Aeolus Developments

8. 8 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook Nominal Supervisory Control with MPC FP7-ICT STREP 224548 / Aeolus Gerrit van der Molen, Petros Savvidis, Mike Grimble Developments

9. 9 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook FP7-ICT STREP 224548 / Aeolus Supervisory Controller Requirements: Model-based optimal controller, 1 Hz refresh rate Mato Baotić, Mate Jelavić, Vedrana Spudić, Ned Perić Developments

10. 10 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook Stationary Wind Field Interaction Model FP7-ICT STREP 224548 / Aeolus Daria Madjidian, Anders Rantzer Developments Wind speed model Wind farm model

11. 11 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook Quasi-steady Wind Farm Flow Model FP7-ICT STREP 224548 / Aeolus Another Model Arno Brand, Jan Willem Wagenaar

12. 12 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook Model Output qsWFFM FP7-ICT STREP 224548 / Aeolus  Forward ({ {WS, BPA, RS} iklm, {Power, Loads} iklm ) = f( {WS k, WD l, TI m } ) state output external conditions  Inverse ({WS k, WD l, TI m }, {WS, BPA, RS} iklm, {Loads} iklm ) = g( {Power} iklm ) external conditions state loads power reference WS = Ambient wind speed WD = Ambient wind direction TI = Turbulence intensity BPA = Blade pitch angle RS = Rotor speed Another Model

13. 13 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook FP7-ICT STREP 224548 / Aeolus Row with 10 NREL 5 MW wind turbines Model Comparison Turbine separation: 5D Wind speed: 8 m/s Power references: 10 x 5.0 MW and 10 x 1.65 MW

14. 14 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook FP7-ICT STREP 224548 / Aeolus Row with 10 NREL 5 MW wind turbines Turbine separation: 5D Wind speed: 11 m/s Power references: 10 x 5.0 MW and 10 x 3.1 MW Model Comparison

15. 15 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook FP7-ICT STREP 224548 / Aeolus Wind farm control strategies in order to  Track power reference  Minimize mechanical loading Quasi-steady wind farm control models Demonstration of wind farm control solutions Summary & Outlook

16. 16 Motivation & History - Developments - Another Model - Comparison - Summary & Outlook Contact Arno J. Brand ECN Wind Energy Wind turbine rotor and Wind farm Aerodynamics M: P.O. Box 1, NL 1755 ZG Petten, Netherlands E: brand@ecn.nl T: +31 224 56 4775 F: +31 224 56 8214 I: nl.linkedin.com/in/arnobrand FP7-ICT STREP 224548 / Aeolus