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ECN publicatie:
Titel:
Control design based on aero-hydro-servo-elastic linear models from TURBU (ECN)
 
Auteur(s):
 
Gepubliceerd door: Publicatie datum:
ECN Windenergie 1-6-2007
 
ECN publicatienummer: Publicatie type:
ECN-M--07-054 Conferentiebijdrage
 
Aantal pagina's: Volledige tekst:
27 Download PDF  (705kB)

Gepresenteerd op: European Wind Energy Conference 2007, Milan, Italy, 7-10 mei 2007.

Samenvatting:
The ECN computer code TURBU generates elaborate linearised models for 3-bladed wind turbines. These models include the relevant features for control design and aeroealastic stability analysis; they are very well workable because of modalaly reduced blade tower models. Control loops for blade and tower load reduction were designed for a typical multi-MW wind turbine. A TURBU model was used for analytic examination of the 'closed loop predictions' appeared valid when the control loops were evaluated in non-linear time domain simulation. These simulations showed significant load reduction and good closed loop stability. The fatigue loads in full load operation were reduced by 10% to 30% for the rotor blades and 4% to 6% for the tower.


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