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Wind Energy Science The interactive open-access journal of the European Academy of Wind Energy
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https://doi.org/10.5194/wes-2020-110
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-2020-110
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

  20 Nov 2020

20 Nov 2020

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This preprint is currently under review for the journal WES.

Investigating the loads and performance of a model horizontal axis wind turbine under IEC extreme operational conditions

Kamran Shirzadeh1,2, Horia Hangan1,3, Curran Crawford1,4, and Pooyan Hashemi Tari5 Kamran Shirzadeh et al.
  • 1WindEEE Research Institute, University of Western Ontario, London, Ontario, N6M 0E2, Canada
  • 2Mechanical and Material Engineering, Western University, London, N6A 3K7, Canada
  • 3Civil and Environment Engineering, Western University, London, N6A 3K7, Canada
  • 4Mechanical Engineering, Victoria University, Victoria, V8W 2Y2, Canada
  • 5Mechanical Engineering, Shahid Beheshti University, Tehran, 19839 69411, Iran

Abstract. The power performance and loading dynamic responses of a 2.2 m scaled horizontal axis wind turbine (HAWT) under the IEC 61400-1 transient operational extreme conditions were investigated. Extreme wind shears (EWS) and extreme operational gust (EOG) inflow conditions, generated in the WindEEE dome at Western University. The global forces were measured by a multi axis force balance at the HAWT tower base. The unsteady horizontal shear induced a significant yaw moment on the rotor with similar dynamic loads as the extreme event with no serious effect on the power generation. The EOG severely affected all the performance parameters of the turbine which were highly dependent on the operational TSR and the time duration of the event.

Kamran Shirzadeh et al.

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Kamran Shirzadeh et al.

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Latest update: 01 Dec 2020
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Short summary
Wind energy systems work in the atmospheric flows which are gusty coherently. This causes highly variable power productions and high fatigue loads on the system which together holds back further growth of the wind energy market. This study demonstrates an alternative experimental procedure to investigate some extreme wind condition effects on the wind turbine based on the IEC standard. This experiment can be improved and used to develop new control concepts, mitigating the effect of gusts.
Wind energy systems work in the atmospheric flows which are gusty coherently. This causes highly...
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