Fatigue loads of iced turbines: two case studies

Ville Lehtomäki, Simo Rissanen, Matthew Wadham-Gagnon, Klaus Sandel, Wolfgang Moser, Danela Jacob

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    Abstract

    The cold climate wind energy market is expanding rapidly due to its excellent wind resources but a lot of uncertainty exists in understanding the fatigue loads of iced turbine under normal power production operation. Two measurement campaigns were analysed on two climatically different sites (Canada and Sweden) to locate and quantify the severity of ice induced fatigue loads on commercially available turbines. Both campaigns showed similar results: icing causes production losses and slight to moderate increases tower base side-to-side fatigue loads. Individual blades and other main components did not show increased wear and tear during iced turbine operation compared to non-iced power production. These results can be used to formulate new design load cases for turbines that intend to operate in cold and icing climates.
    Original languageEnglish
    Pages (from-to)37-50
    JournalJournal of Wind Engineering and Industrial Aerodynamics
    Volume158
    DOIs
    Publication statusPublished - 2016
    MoE publication typeA1 Journal article-refereed

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    Keywords

    • fatigue
    • ice accretion
    • icing
    • loads
    • measurements
    • wind turbine

    Cite this

    Lehtomäki, V., Rissanen, S., Wadham-Gagnon, M., Sandel, K., Moser, W., & Jacob, D. (2016). Fatigue loads of iced turbines: two case studies. Journal of Wind Engineering and Industrial Aerodynamics, 158, 37-50. https://doi.org/10.1016/j.jweia.2016.09.002