Suitable Energy System of Buildings in Agricultural and Pastoral Areas of the Extreme Cold Plateau
The solar energy resources in the extremely cold plateau are extremely abundant.In response to the heating and electricity needs of residents in the agricultural and pastoral areas of the extremely cold plateau,a comprehensive energy system form of solar photovoltaic and electric heating equipment and batteries and local power grid is proposed without grid connection.Taking the typical residential buildings in Mangla Village,Geji County,Ali Prefecture,Xizang as the research object,the TRNSYS simulation model of the integrated solar energy system is established.When the system self-sufficiency rate reaches more than 50％,and the economic cost of the whole life cycle of the system is taken as the optimization goal,the TRNOPT software calls the Hook Jeeves algorithm to optimize and match the PV panel tilt angle,PV panel azimuth,solar PV field area and battery capacity and other decision variables.Finally,the economic cost and carbon emissions of the system are calculated based on the optimized equipment parameter results.The research results indicate that using this energy system to solve residential heating and electricity problems in extremely cold plateau agricultural and pastoral areas has certain theoretical feasibility,and the method used in the article can improve the economic performance of the system while constraining its self-sufficiency rate.
extreme cold plateau agricultural and pastoral areassolar integrated energy systemself-sufficiency of PVcarbon emissioncost analysis
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