蒙西風(fēng)電場風(fēng)資源的分析評估方法研究
[Abstract]:Energy is an important part of economic development. The economic development is increasingly rapid. Protecting the environment and paying attention to the sustainable development of the long-term economic growth mode are the basic essentials of scientific development. Green energy, which is safe, clean and high-quality, has been paid more and more attention by many countries. The development and utilization of wind energy has been paid more and more attention, and the proportion of wind energy generation is increasing year by year. The technology of wind energy development is becoming more and more mature and perfect, using wind energy rationally and effectively, increasing the use of green energy, protecting the environment and reducing pollution, and effectively alleviate the shortage of development energy caused by the shortage of energy. The west of Inner Mongolia is rich in wind resources, and the scale utilization of wind energy resources starts late. The first large-scale wind farm Huitengxil wind farm, approved for construction in 2001. The accurate use of wind resource assessment software is based on the meteorological conditions and geographical environment of the assessed region. In this paper, the construction of large-scale wind farm in the west of Mongolia started late, and the important software technology of wind resource assessment was lagging behind the actual terrain and standard wind resources in this area. Completely copying the assessment results obtained by the international common assessment software cannot fully reflect the distribution of wind resources in the study area, which will cause trouble to the site selection and planning in the early stage of wind farm construction. It has a direct effect on the utilization of wind resources and the economic benefit of operation. This also becomes the original intention of the paper, and then carries on the targeted research on the wind resource assessment method. The concepts and theories related to wind resources are briefly introduced in this paper. Based on the one-year wind measurement data of wind farm, the selection of wind resource station site and the analysis of measurement parameters are studied. The regional topographic map is studied by vectorization, the wind resources are simulated by multiple regression method of geospatial factors, the residual values of each wind tower are perfected by interpolation method, the residual error is revised, and the wind speed distribution map of the studied area is obtained after the correction. In order to lay a foundation for the site selection of later construction, it also provides a reference for the successful realization of related research methods in the future. Compared with the wind resource analysis and processing software WAsP, which is widely used in Denmark, this paper draws the following conclusions: (1) the method used in this paper is compared with the wind resource assessment software WAsP, which is widely used in our country, after data entry. The calculated annual mean wind speed range and position are basically consistent. (2) the relative deviation between the wind speed distribution calculation method used in this paper and the calculation result of wind resource assessment software WAsP is about 0.06; The residual correction method used in this paper can better display the wind resource distribution around the wind tower in the real environment and make the measurement accuracy good. (3) the method used in this paper can provide reference for geography, survey and evaluation of special terrain environment.
【學(xué)位授予單位】:華北電力大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號】:TM614
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