Wind turbine performance assessment & power curve outlier rejection using copula modelling

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The conventional means of assessing performance of a wind turbine is through consideration of its power curve. However, this representation fails to capture plausibility of measurement and cannot provide anomaly detection capabilities, which may assist in the detection of plant degradation. Although the probabilistic form of the power curve is complex, Copula models are presented here as a means of expressing the operational power curve as a joint distribution of wind speed and power output. This probabilistic model is demonstrated as an efficient way to remove outliers from operational SCADA data, simplifying and accelerating the process of identifying plant maloperation.
Original languageEnglish
Number of pages1
Publication statusPublished - 19 Jun 2018
Event2018 Global Offshore Wind - Manchester Central , Manchester, United Kingdom
Duration: 19 Jun 201820 Jun 2018


Conference2018 Global Offshore Wind
Abbreviated titlegow18
Country/TerritoryUnited Kingdom
Internet address


  • wind turbine
  • performance
  • power curve
  • copula model


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