ECN publication
Title:
Estimated wind speed feed forward control for wind turbine operation optimisation
 
Author(s):
 
Published by: Publication date:
ECN Wind Energy 1-11-2004
 
ECN report number: Document type:
ECN-RX--04-126 Conference Paper
 
Number of pages: Full text:
9 Download PDF  

Presented at: European Wind Energy Conference 2004, London, UK, 22-25 november 2004.

Abstract:

For a pitch controlled variable speed wind turbine, a feed forward control structure based on the estimation of rotor averaged wind speed has been developed and analyzed. The additional control action will accelerate ordinary rotor speed feedback control to resist disturbances of wind speed turbulence and wind gusts.

Wind speed estimation is based on reconstruction of aerodynamic torque from measurements and a priori knowledge of rotor behaviour. The theoretical base arises from the energy balance between captured aerodynamic energy from wind on the one hand side and extracted elec


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