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Because of advantages of using new sources of energy in the country, especially for generating green energy, the use of wind energy for power generating in wind Fields is of great interest of current communities. For developing a wind power plant the first step is to locate and confirm the areas which possess enough potential for installing the wind turbines. For this purpose in the first chapter of this thesis an introduction to the basic principles of wind energy is noted then in the next chapter the physical relations to calculate the estimated reachable energy in the area is mentioned and in the third chapter the empirical methods for selection of the suitable sites are exhibited .in the... 

Because of advantages of using new sources of energy in the country, especially for generating green energy, the use of wind energy for power generating in wind Fields is of great interest of current communities. For developing a wind power plant the first step is to locate and confirm the areas which possess enough potential for installing the wind turbines. For this purpose in the first and second chapters of this thesis an introduction to the basic principles of wind energy is noted then in the third chaptermethods of grid connection, conversion systems and turnover problems in windfarm is evaluated.in the fourth chapter with the use of Windographer software and empirical data of standard...