Estimation of Wind Speed in Connection to a Wind Turbine |  
 
  |  | Abstract | The wind speed varies over the rotor plane of wind turbine making it impossible to determine from a single wind speed measurement taken by an anemometer. However, in this paper the wind speed on the rotor plane will be estimated by using a wind turbine as a wind measuring device. To realize the idea, a knowledge of the system characteristics is required, therefore the fundamental relations and principles of system dynamics will be presented. Several estimation methods such as Newton-Raphson method, Kalman filter method and extended Kalman filter method will be investigated in the paper. |  | Keywords | Wind turbine, Estimation of wind speed, Newton-Raphson method, Kalman filter, Extended Kalman filter |  | Type | Technical report  |  | Year | 1995 |  | Publisher | Informatics and Mathematical Modelling, Technical University of Denmark, DTU |  | Address | Richard Petersens Plads, Building 321, DK-2800 Kgs. Lyngby |  | Series | IMM-Technical report-1995-26 |  | Electronic version(s) | [ps] |   | BibTeX data |  [bibtex] |  | IMM Group(s) | Mathematical Statistics |  
  	
		 		
	
	
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