Abstract
In the process of China's energy system revolution, integrated energy system is the key way to solve low utilization rate of fossil energy and renewable energy consumption. This paper studies the operation characteristics of the core equipment and the utilization process of renewable energy, and establishes the energy supply scheme of the integrated energy system based on the gas-fired combined cooling, heating and power system. A double-layer optimization method for the capacity configuration with consideration of operation strategy of the integrated energy system is proposed to solve the optimized problem. Firstly, a comprehensive energy system with CCHP as the core and considering renewable energy access is proposed. The energy coupling relationship and operation characteristics of various equipment are analyzed. Secondly, The operation characteristics of the equipment are analyzed, and the constraints of the optimization model are constructed. The optimization objectives are investment operation and maintenance, renewable energy consumption, resource consumption and so on. The genetic algorithm combined with the mixed integer linear programming solver is used to verify the economy and environmental protection of the conventional integrated energy system considering the energy storage device and renewable energy consumption.
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