Farm Energy System Optimization Considering Cost Variation In Demand and Production Side

For the integrated energy system of farms with flexible loads, the supply of cold, heat, electricity, steam and other energy products can be changed by adjusting the output of energy conversion equipment, and the real-time demand for various energy products can also be adjusted through demand-side management. The elasticity of energy supply capacity is mainly the change in the utilization of different renewable energy resources (solar energy, wind energy and biomass energy). The elastic changes on the energy demand side are mainly the changes in the demand curve caused by the reduction of demand for cooling, heating and electricity and energy storage. Changes in the utilization of different renewable energy resources will lead to changes in the construction cost of an integrated energy system. Demand response cost, energy storage costs and secondary energy production costs such as cooling, heating and power are constantly changing. By constructing a mathematical model of the dynamic cost of various types of energy conversion systems and demand adjustment measures for heating and cooling, with the goal of minimizing the comprehensive cost of energy supply and use, the output and demand adjustment of energy conversion equipment are comprehensively optimized. Combined with the comprehensive energy utilization system of a farm, it illustrates the economic value and energy efficiency value of the optimization of the comprehensive energy system of the farm when both energy supply and demand are elastic. The results show that, compared with simply adjusting the output of energy conversion equipment, the comprehensive optimization of energy conversion equipment output and demand response of farms can further reduce the cost of energy supply and increase the consumption of renewable energy.