Beyond the CP-curve in Model-based Control of Wind Turbines

Lars Christian Henriksen, Morten Hartvig Hansen, Niels Kjølstad Poulsen

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Abstract

The importance of including dynamic inflow in the model used by the control algorithm is investigated in this contribution. A control setup consisting of a model predictive controller and an extended Kalman filter in conjunction with mechanisms to switch smoothly between partial and full load operation is presented. Results, obtained from high-fidelity simulations, with and without dynamic inflow taken into account by the model-based control setup, show that the inclusion of dynamic inflow is important when operating in conditions close to the rated wind. The presented control setup does not employ collective pitch actuation during partial load operation, for e.g. load mitigation purposes, otherwise dynamic inflow would have been seen to also be of importance for all wind speeds below the rated wind speed.
Original languageEnglish
Title of host publicationScientific Proceedings of EWEA 2012 - European Wind Energy Conference & Exhibition
PublisherEuropean Wind Energy Association (EWEA)
Publication date2012
Pages147-152
Publication statusPublished - 2012
EventEWEC 2012 - European Wind Energy Conference & Exhibition - Copenhagen, Denmark
Duration: 16 Apr 201219 Apr 2012
http://events.ewea.org/annual2012/

Conference

ConferenceEWEC 2012 - European Wind Energy Conference & Exhibition
CountryDenmark
CityCopenhagen
Period16/04/201219/04/2012
Internet address

Keywords

  • Dynamic inflow
  • Model-based control
  • Model-based state estimation

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