A gain-scheduled controller for improved power regulation of very large wind turbines

David Thompson, William Leithead

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Abstract

Variable speed pitch regulated horizontal axis wind turbines exhibit highly non-linear characteristics at high wind speeds presenting, a challenge for power regulation control. As turbine size increases and natural frequencies of the blades and tower decrease, these nonlinearities are increasingly problematic. Presented is a method for improving controller performance and feasibility for very large turbines. The implementation of a gain scheduled controller for regulation of a 5MW exemplar wind turbine is presented and shown to improve controller performance by accounting for the non-linearities present at low frequencies in above rated wind speeds. The realisation and an assessment of performance of the improved controller are demonstrated.
Original languageEnglish
Title of host publicationEuropean Wind Energy Association, Scientific Proceedings
PublisherEuropean Wind Energy Association
Number of pages7
Publication statusPublished - Mar 2014
EventEuropean Wind Energy Association 2014 Annual Conference - Barcelona, Spain
Duration: 10 Mar 201413 Mar 2014

Conference

ConferenceEuropean Wind Energy Association 2014 Annual Conference
Abbreviated titleEWEA 2014
CountrySpain
CityBarcelona
Period10/03/1413/03/14

Keywords

  • control
  • gain scheduling
  • turbine size

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