TUTTE Project, Final Report

Manu Huttunen, Timo Karlsson, Jennifer Carreiro Spencer, Raul Prieto

    Research output: Book/ReportReport

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    Abstract

    In the public research part of the TUTTE joint action, atmospheric conditions were measured by field campaigns carried out in an onshore and in an offshore wind farm located in Finland. Lidar measurements of wind flow, measurements of ambient temperature and pressure at hub height and ground level, and wind turbine SCADA data were analysed. Wind speed, wind shear and turbulence intensity along with seasonal variability of the wind at these two sites was investigated. Atmospheric stability was estimated by three different metrics. Diurnal and seasonal variability of potential temperature difference, which is included in two of the metrics, was explored. Wind farm wake effects and production losses due to wakes, topography and icing were analysed, and the influence of atmospheric stability on wind farm efficiency was examined. The offshore wind farm was modelled by open-source tools developed by The National Renewable Energy Laboratory (NREL) and the model was validated against wind farm SCADA data. VTT’s research team collaborated with Stanford University and NREL.
    Original languageEnglish
    PublisherVTT Technical Research Centre of Finland
    Number of pages25
    Publication statusPublished - Dec 2022
    MoE publication typeD4 Published development or research report or study

    Publication series

    SeriesVTT Research Report
    NumberVTT-R-00901-22

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