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Effect of wake consideration on estimated costs of wind energy curtailments
KTH, Skolan för elektro- och systemteknik (EES), Elektriska energisystem.ORCID-id: 0000-0002-8189-2420
2009 (Engelska)Ingår i: 8th International Workshop on Large Scale Integration of Wind Power into Power Systems as well as on Transmission Networks of Offshore Wind Farms, 14-15 Oct. 2009 Bremen, 2009Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Measures such as energy curtailment or gridreinforcement are required to integrate the upcoming windgeneration in parts of the power system with existing transmissionbottlenecks. In order to choose between these two measurespotential wind energy curtailments and its costs need to becarefully evaluated. The paper analyzes the effect of wakeconsideration on the overall energy curtailment cost. For thispurpose detailed wake model was used taking into account partialand multiple shading of wind turbines. It is shown that not onlywind speed but also wind direction of the incoming wind affects theamount of energy produced by a wind farm. A comparison ofcurtailment cost with cost for grid reinforcement in areas withlimited transmission capacity was carried out with and withoutconsideration of wake effect. The effect on curtailment cost due toavailability of wind turbines is also investigated both with andwithout wake effect consideration. The results have proven thatwith consideration of wake effect and availability potential windenergy curtailments are reduced and hence curtailment costs arelowered, making curtailment a cheaper option than gridreinforcement. The method illustrated in the paper can be used inpre-feasibility study to compare the costs of wind curtailment withthe costs of grid reinforcement in order to make sound economicdecision. The method can also be applied in wind farm energy yield estimation.

Ort, förlag, år, upplaga, sidor
2009.
Nyckelord [en]
Wind Energy, Modeling, Wind power generation, Power system economics, Power transmission
Nationell ämneskategori
Annan elektroteknik och elektronik
Identifikatorer
URN: urn:nbn:se:kth:diva-52716OAI: oai:DiVA.org:kth-52716DiVA, id: diva2:467522
Konferens
8th International Workshop on Large Scale Integration of Wind Power into Power Systems as well as on Transmission Networks of Offshore Wind Farms, Bremen, Germany, Oct., 14-15, 2009
Anmärkning
QC 20120103Tillgänglig från: 2011-12-19 Skapad: 2011-12-19 Senast uppdaterad: 2012-01-03Bibliografiskt granskad

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https://eeweb01.ee.kth.se/upload/publications/reports/2009/IR-EE-ES_2009_004.pdf

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Söder, Lennart

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