Development Of APP Software For Typical Case Of Wind Turbine Micro-siting In Strong Disturbance Environment

With the continuous development of renewable energy,and in order to realize the gradual transformation of wind power from "supplementary energy" to "alternative energy" by the end of 2020,the state also proposes to change from centralized power generation to new mode-distributed power generation.It is an important way of distributed power generation to install wind turbines by using the wind acceleration effect produced by buildings in cities.However,the flow field around the building will be affected by different factors,and resulting in complex strong disturbance environment.Therefore,the micro-siting is particularly important.With the development of science and technology,the intelligence provides great convenience for people's life.With the emergence of cross-disciplines,big data and intelligence have played a great role in promoting the progress of scientific research.Therefore,this paper also innovatively combines the two,analyzes several typical cases of micro-siting of wind turbine in strong disturbance environment,and makes a micro-siting APP suitable for several situations.It will provide certain reference value for location selection and simplify the location process.First of all,we need to determine the development platform and development model of APP,and then determine the main research content of APP.The purpose of this paper is to determine the location of the wind turbine in four typical cases in the strong disturbance environment.The main reference indexes are turbulence intensity?turbulence kinetic energy?wind speed acceleration factor and so on.Therefore,this paper classifies the factors that affect its change,and finds out the main factors are wind speed?building size?roof shape?building complex and so on.It is concluded that the wind condition on the flat roof is the best and is most beneficial to the installation of wind turbine;The larger the windward area of the roof of the non-flat roof,the more unfavorable the installation of the wind turbine will be caused by the wind condition above the roof;Curved roofs,such as domes and tile roofs,are most conducive to wind turbine installation and are located at the center of the roof.The factors that affect the installation of wind turbine in the building group are the height of intermediate building,arrangement and construction density of the intermediate building.A thin-walled building similar to a fence has a concentration effect in the rear(1-2.6)H,and the installation height should be(2.5-3)Habove the ground.The position and height of wind turbine suitable for installation of wind turbine above the similar container building is basically the same,which is the center of the front point of the upwind surface,and the height is(1.42-1.52)H.Because there is no more detailed rule for the change of wind condition of flat roof building,the influence of different wind speed and size on the wind condition of flat roof rectangular building is analyzed in this paper.Firstly,according to the actual size 1:1,the fixed width is 20 m,the length and height are 20 m ? 30 m ? 40 m ? 50 m ?60m,respectively.Secondly,after different uniform inflow,it is found that the different wind speed has no obvious effect on the position and variation of wind acceleration factor.Then the wind condition of six reference points on the same roof is analyzed,and the optimum installation position is obtained.According to the analysis of the installation point,it is found that with the increase of the length,the higher the installation condition is,the higher the installation condition is.And with the increase of height,the influence of length change is weakened.In order to provide the theoretical basis for the construction of APP,the influence rule is fitted into the formula.The content of the APP page is then partitioned according to the four main situations.Find the suitable application UI,to complete the layout of the page and the setting of the style;Set up and implement multi-page jump function according to requirement;Summarize the above installation rules,code,design data operation and program;Test the accuracy of calculation;Further improve the details according to the need;Finally,the packaging,signature and release of APP software are completed.