Individual pitch control of wind turbines using local inflow measurements

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Abstract

This paper describes a model based control approach for individually adjusting the pitch of wind turbine blades and thereby attenuating the effect of asymmetric wind loads. It is assumed that measurements of local inflow along each blade are available. This effectively provides an estimate of the load distribution along the blades. The load estimates are used in a predictive setup where inflow measured by one blade is used as basis for calculating future loads for the other blades. Simulations with a full stochastic wind field illustrate the effectiveness of the individual pitch controller as compared to controlling the pitch collectively.
Original languageEnglish
Title of host publicationProceedings of the 17th IFAC World Congress
Publication date2008
Pages5587-5592
Publication statusPublished - 2008
Event17th IFAC World Congress - Seoul, Korea, Republic of
Duration: 6 Jul 200811 Jul 2008

Conference

Conference17th IFAC World Congress
CountryKorea, Republic of
CitySeoul
Period06/07/200811/07/2008

Keywords

  • Wind turbines
  • Wind measurements
  • Individual pitch control

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