Abstract
In an electric-gas integrated energy system that considers the coupling conditions between systems, there is energy transaction between the systems. So the node energy price setting method and market clearing strategy of the coupled system are worth studying. First of all, this paper establishes a market clearing model for electricity / gas subsystems and a method for solving node energy prices. Then, a market clearing model of the electrical coupling system is established based on this. Finally, an example to verify the effectiveness of the nodal energy price formulation method and the market clearing model is given.
Highlights
The electric-gas-heat integrated energy system can supply power, gas and heat at the same time
In the future energy trading market, the optimization of production methods and pricing strategies of integrated energy systems is the hot spot for manufacturers and users
By comparing the solution results of the gas turbine under different operating conditions, it can be seen that the operating status of the coupling element has an impact on market behavior and clearance results
Summary
The electric-gas-heat integrated energy system can supply power, gas and heat at the same time. According to the optimized operating conditions of each system, the node prices at market clearing can be solved; in the electricgas-heat integrated energy system that considers the coupling conditions between the systems, there is an energy transaction between the systems because of the existence of energy conversion equipment. This moment, the node energy price setting method and the market clearing strategy of the coupled system are worth studying. References [3-5] list the objective functions and various constraints for the optimal operation of each system
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