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patent TOMAS Santiago Danielsen Darren Cano Francisco Javier Sanz Paura Ingo Davoust Samuel Agarwal Pranav accumulated fatigue determining obtaining wind wind turbine Methods of operating a wind turbine A method of operating a wind turbine and a method of determining fatigue in a wind turbine component are provided. The method of operating a wind turbine comprises determining a reference accumulated fatigue, determining an operational time, obtaining a partial load indicator, determining a real accumulated fatigue, comparing the real accumulated fatigue and the reference accumulated fatigue and controlling the operation of the wind turbine. The method of determining fatigue in a wind turbine component comprises determining an operational time, obtaining wind speed, obtaining turbulence intensity, determining a time for each combination of wind speed and turbulence intensity and determining a real accumulated fatigue. In a further aspect, this is also provided a wind turbine controller configured to perform any of the methods herein disclosed. US General Electric Co United States US20190178231A1 2018-12-11 2018-12-11 US16/216,206 2019-06-13 https://patents.google.com/patent/US20190178231A1/en 2019-06-24 07:10:18