Control of variable speed pitch-regulated wind turbines in strong wind conditions using a combined feedforward and feedback technique

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Abstract


Due to the increasing penetration of wind energy into power systems, it becomes critical to reduce the impact of wind energy on the stability and reliability of the overall power system. In precedent works, Shen and his co-workers developed a re-designed operation schema to run wind turbines in strong wind conditions based on optimization method and standard PI feedback control, which can prevent the typical shutdowns of wind turbines when reaching the cut-out wind speed. In this paper, a new control strategy combing the standard PI feedback control with feedforward controls using the optimization results is investigated for the operation of variable-speed pitch-regulated wind turbines in strong wind conditions. It is shown that the developed control strategy is capable of smoothening the power output of wind turbine and avoiding its sudden showdown at high wind speeds without worsening the loads on rotor and blades.
Original languageEnglish
Title of host publicationProceedings of Torque 2012, The science of making torque from wind
Number of pages9
PublisherForWind - Center for Wind Energy Research
Publication date2012
Publication statusPublished - 2012
EventThe science of Making Torque from Wind 2012: 4th scientific conference - Universität Oldenburg, Oldenburg, Germany
Duration: 9 Oct 201211 Oct 2012
http://www.forwind.de/makingtorque/Home.html

Conference

ConferenceThe science of Making Torque from Wind 2012
LocationUniversität Oldenburg
CountryGermany
CityOldenburg
Period09/10/201211/10/2012
Internet address

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