Correction of Wind Speed Measurement and Inlet Wind Speed by Wind Turbine Anemometer

Xiaoyu WANG; Xiaqing ZHAO; Bingkun XU; Xin GAO

doi:10.16513/j.cnki.10-1427/tk.2019.03.010

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Distributed Energy ›› 2019, Vol. 4 ›› Issue (3) : 63-68. DOI: 10.16513/j.cnki.10-1427/tk.2019.03.010

Application Technology

Correction of Wind Speed Measurement and Inlet Wind Speed by Wind Turbine Anemometer

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Abstract

To solve the problem of inaccurate wind speed measurement by anemometer in the actual operation of wind turbines, this paper studies the combination of real machine test and numerical simulation. Through the analysis of test data and simulation results, the following results are obtained: When the speed of the wind turbine runner does not reach the rated speed, the wind speed deviation measured by the wind gauge increases with the increase of the wind speed of the incoming flow; When the runner reaches the rated speed and the incoming wind speed is 8 m/s, the measured wind speed by the anemometer at this time is 8.82 m/s, and the maximum deviation is 0.82 m/s; When the rotating speed is maintained at the rated speed and the incoming wind speed continues to increase, the wind speed deviation measured by the wind meter will gradually decrease with the increase of the incoming flow; Compared with the first order correction function, the quadratic function of the wind measurement is better, and the actual power curve is more consistent with the theoretical power curve.

Key words

wind turbine / anemometer / numerical simulation / test analysis

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Xiaoyu WANG , Xiaqing ZHAO , Bingkun XU , et al. Correction of Wind Speed Measurement and Inlet Wind Speed by Wind Turbine Anemometer[J]. Distributed Energy Resources. 2019, 4(3): 63-68 https://doi.org/10.16513/j.cnki.10-1427/tk.2019.03.010

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