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Survey of failures in wind power systems with focus on Swedish wind power plants during 1997-2005
2007 (Engelska)Ingår i: IEEE transactions on energy conversion, ISSN 0885-8969, E-ISSN 1558-0059, Vol. 22, nr 1, s. 167-173Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The wind power industry has expanded greatly during the past few years, has served a growing market, and has spawned the development of larger wind turbines. Different designs and technical advances now make it possible to erect wind turbines offshore. The fast expansion of the wind power market faces some problems. The new designs are not always fully tested, and the designed 20-year lifetime is typically never achieved before the next generation of turbines are erected. This paper presents results from an investigation of failure statistics from four sources, i.e., two separate sources from Sweden, one from Finland, and one from Germany. Statistics reveal reliability performance of the different components within the wind turbine. The gearbox is the most critical, because downtime per failure is high compared to the other components. The statistical data for larger turbines also show trends toward higher, ever-increasing failure frequency when compared to small turbines, which have a decreasing failure rate over the operational years.

Ort, förlag, år, upplaga, sidor
2007. Vol. 22, nr 1, s. 167-173
Nyckelord [en]
availability, failures, statistics, reliability, wind power generation
Identifikatorer
URN: urn:nbn:se:kth:diva-16441DOI: 10.1109/tec.2006.889614ISI: 000244799800021Scopus ID: 2-s2.0-33947670511OAI: oai:DiVA.org:kth-16441DiVA, id: diva2:334483
Anmärkning
QC 20100525Tillgänglig från: 2010-08-05 Skapad: 2010-08-05 Senast uppdaterad: 2017-12-12Bibliografiskt granskad

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