STUDY ON WIND CHARACTERISTICS OF TYPHOON PERIPHERY IN NORTHERN JIANGSU PROVINCE AND ITS INFLUENCE ON WIND TURBINE SELECTION

Chen Jiajun, Zhang Ming, Gao Ziqi, Xu Bofeng, Hu Gaoshuo, Ma Tianwei

Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (3) : 411-418.

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (3) : 411-418. DOI: 10.19912/j.0254-0096.tynxb.2020-0552

STUDY ON WIND CHARACTERISTICS OF TYPHOON PERIPHERY IN NORTHERN JIANGSU PROVINCE AND ITS INFLUENCE ON WIND TURBINE SELECTION

  • Chen Jiajun1, Zhang Ming1, Gao Ziqi1, Xu Bofeng2, Hu Gaoshuo1, Ma Tianwei1
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Abstract

Using the wind measurement data from four meteorological masts in northern Jiangsu Province during the period of Typhoon Rumbia, a comparative analysis of wind shear, turbulence intensity and gust factor under the influence of the typhoon periphery in the coastal plain of northern Jiangsu was carried out, and the influence of typhoon periphery wind characteristics on wind turbine selection was also discussed. The results show that the wind speed of each sector in the typhoon periphery decreases most obviously within about 50 km from the coast to the inland, and then the wind speed attenuation gradually slows down. The wind shear, turbulence intensity, and gust factor of each sector in the typhoon periphery increase most obviously within about 50 km from the coast to the inland, and then gradually tends to be gentle. The wind shear during Typhoon Rumbia is 8%-13% lower than that of the whole year with the same direction, which is beneficial to the load reduction of the main bearing and the pitch bearing. There is a positive correlation between turbulence intensity and gust factor. The representative turbulence intensity of the high wind speed section in the typhoon periphery is greater than that of the whole year, which exceeds the design level of the wind turbine, and the load can be reduced by specifically implementing the pitch angle control strategy during the typhoon.

Key words

typhoons / wind shear / turbulence / gust factor / wind turbines

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Chen Jiajun, Zhang Ming, Gao Ziqi, Xu Bofeng, Hu Gaoshuo, Ma Tianwei. STUDY ON WIND CHARACTERISTICS OF TYPHOON PERIPHERY IN NORTHERN JIANGSU PROVINCE AND ITS INFLUENCE ON WIND TURBINE SELECTION[J]. Acta Energiae Solaris Sinica. 2022, 43(3): 411-418 https://doi.org/10.19912/j.0254-0096.tynxb.2020-0552

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