| As the contradiction between the growth of ene rgy demand and the exhaustion of fossil fuel resources becomes increasingly prominent,the use of renewable energy instead of traditional fossil energy has become the main development trend.Low in promoting green electricity production line under the background of transition,distributed generation such as photovoltaic and wind power technology is applied to the industrial park,park,reasonable configuration micro grid stroke,light,storage capacity of each p art,make the micro economic stability to coordinate the parts of power grid,promote renewable energy in situ given,has the very good development prospect.In order to better realize the capacity allocation optimization of microgrid in industrial parks,this paper introduces carbon emission reductio n and green certificate transaction income on the basis of economic optimization objectives,which can not only make the microgrid obtain higher economic benefits,but also further promote the development of re newable energy.However,microgrid construction projects have more uncertainties in the market environment,which will produce various risks,so it is difficult to provide sufficient decision-making information.Therefore,it is of great practical signific ance to optimize the capacity allocation of scenic storage micro-grid in industrial parks and to make economic analysis of the results.In this paper,the output model of micro grid solar storage unit is established,and the optimization goal of the upper layer is to minimize the total cost of micro grid expenditure combined with the system scheduling strategy.In the lower layer,a two-layer optimization model is proposed to minimize the overall operating cost of the system,and genetic particle swarm optimization algorithm is adopted to solve the model.Secondly,the economic evaluation method of microgrid construction project considering uncertainty is established,and the interval number is introduced into the economic evaluation of microgrid project,and the interval net present value,interval dyn amic payback period and interval internal rate of return analysis methods are constructed to carry out the economic evaluation of the project.Finally,taking the microgrid of an industrial park as an example,three comparative schemes are designed to opti mize capacity allocation for three typical days in the transition season of winter and summer,and the results are analyzed economically and sensitively.According to the optimization results of the case analysis,the proposed capacity allocation optimization model considering carbon emission reduction and green certificate income can effectively reduce the total cost of the microgrid,promote the development of renewable energy and reduce carbon emissions.The micro-grid capacity allocation optimization mo del established in this paper considering carbon emission reduction benefits and green card transaction has high economy and project feasibility.However,in the process of micro-grid construction,attention should be paid to the impact of uncertain factor s such as fixed asset investment cost and total electricity consumption on the economic benefits of micro-grid.The research of this paper provides corresponding reference suggestions for the investment and construction of scenic storage micro-grid in industrial parks,which has important theoretical value and practical guiding significance. |