Modelling of two-dimensional scattering centre of wind turbine based on Feko

The Journal of Engineering

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[1] College of Electrical Engineering & New Energy, China Three Gorges University, Yichang 443002, Hubei Province, People's Republic of China;

关键词: electromagnetic interference;    wind power plants;    radar imaging;    wind turbines;    electromagnetic wave scattering;    Doppler effect;    electromagnetic wave reflection;    wind farm;    high-frequency radar station;    electromagnetic interference problem;    FEKO;    electromagnetic scattering characteristics;    far-field scattering data;    turning angle;    two-dimensional radar imaging;    radar identification;    parametric method;    wind turbine scattering centre extraction;    Doppler effect analysis;    two-dimensional scattering centre modelling;   

DOI  :  10.1049/joe.2018.8617

来源: publisher

【 摘 要 】

The wind farm and high-frequency radar station inevitably produce more and more prominent electromagnetic interference problem. The key to solve the interference problem is to study the electromagnetic scattering characteristics of wind turbines in high-frequency area and obtain the scattering centres of the wind turbine. Here, the wind farms model established by FEKO is used to calculate the far-field scattering data. A two-dimensional scattering centre model of the wind turbine with small turning angle is established, and the two-dimensional radar imaging of the wind turbine is achieved. Using the non-parametric method to set the appropriate threshold, the two-dimensional scattering centre of the wind turbine is obtained. Theoretical analysis and simulation results show that this modelling method can reflect the target electromagnetic scattering accurately and effectively, which has certain significance in the radar identification of wind turbine and obtaining the scattering centres of wind turbine. For the parametric method, extraction of wind turbine scattering centres and analyse the Doppler effect generated when the wind turbine rotates to do the preliminary work.

【 授权许可】

CC BY