STUDY ON ICING CRITICAL METEOROLOGICAL CONDITIONS OF WIND TURBINES

Sun Pengjie; Zhang Rong; Xu Yang; Chen Zhenghong

doi:10.19912/j.0254-0096.tynxb.2024-0257

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (6) : 576-582. DOI: 10.19912/j.0254-0096.tynxb.2024-0257

STUDY ON ICING CRITICAL METEOROLOGICAL CONDITIONS OF WIND TURBINES

Sun Pengjie¹, Zhang Rong², Xu Yang¹, Chen Zhenghong¹

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Abstract

Based on the wind turbine icing observation records from November 2017 to February 2022 in a mountain wind farm in Hubei Province, and combined with high-precision meteorological reanalysis data, interpolation is carried out by comprehensively considering the terrain conditions of wind turbines, on the basis of the hourly meteorological data of each fan, the changes of the meteorological factors during the icing and melting stages are analyzed, and the critical values of the meteorological factors at the icing and melting stages are obtained. 1） during the icing stage of the fan, the air temperature decreased continuously, the relative humidity increased continuously, and the wind speed did not fluctuate too much before and after the icing stage. 2） during the icing stage of the fan, the air temperature rises continuously and reaches the peak at the time of ice melting; the relative humidity decreases continuously and reaches the lowest value at the time of ice melting; the wind speed remains stable and significantly decreases compared to the icing stage. 3） the critical meteorological conditions for the ice coating of the fan are that the air temperature at the height of the wheel hub is about 0-2 ℃, the wind speed is in the range of 4-6 m/s, there is little or no precipitation, and the relative humidity is over 95%; The critical meteorological conditions for ice melting of the fan are that the air temperature is above 4 ℃ at the height of the wheel hub, the wind speed is in the range of 2-4 m/s, and the relative humidity is less than 90%.

Key words

wind farm / wind turbines / icing / meteorology / critical value

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Sun Pengjie, Zhang Rong, Xu Yang, Chen Zhenghong. STUDY ON ICING CRITICAL METEOROLOGICAL CONDITIONS OF WIND TURBINES[J]. Acta Energiae Solaris Sinica. 2025, 46(6): 576-582 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0257

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