Optimal configuration method of shared energy storage power station in multi-region integrated energy system

Abstract

The invention relates to an optimal configuration method of a shared energy storage power station in a multi-region integrated energy system, which fully considers the optimal configuration problem of the shared energy storage power station in a multi-region IES, provides an energy storage service for the multi-region IES through the shared energy storage power station, analyzes the conversion relationship between the internal energy flow and equipment energy of the multi-region IES, and improves the energy conversion efficiency of the multi-region IES. Based on an asymmetric Nash negotiation game theory, an asymmetric Nash negotiation model taking a multi-region IES and a shared energy storage power station as different interest subjects is constructed. According to the method, individual benefit and overall benefit optimization is realized, and the benefit of each subject is considered to be related to the contribution degree of the subject, so that the method is more fair for each subject. Under the condition of rapid development of shared economy, the energy storage service is provided for the multi-region integrated energy system through the shared energy storage power station, and the energy storage investment cost is reduced to the maximum extent by using the difference and complementarity of the loads of the integrated energy systems of the regions. The method accords with the development trend of a current stage and a future power system, and has very high theoretical property and practicability.

Description

technical field [0001] The invention relates to an energy technology, in particular to an optimal configuration method of a shared energy storage power station in a multi-region comprehensive energy system. Background technique [0002] Under the "dual carbon" goal, the growing energy demand and environmental issues have promoted the development of renewable energy technologies. How to improve the utilization rate of renewable energy, alleviate the shortage of resources, and promote energy transition is an urgent problem to be solved at present. As an extension of the microgrid, the integrated energy system (IES) couples multiple energy sources of electricity, gas, cooling, and heat. IES utilizes the synergy of multiple energy sources and has been widely recognized in improving the overall energy utilization efficiency. Energy storage can alleviate the spatio-temporal imbalance between renewable energy generation and load demand, and is considered as a measure to improve th...

AI Technical Summary

Problems solved by technology

However, energy storage power stations and IES usually belong to different stakeholders and rationally pursue the maximization of their own interests. Often due to information asymmetry and other reasons, disorderly competition occurs, which greatly reduces market efficiency.

[0004] In recent years, game theory methods have been widely used in energy storage sharing or other similar energy sharing problems, which can be divided into two types: cooperative game and non-cooperative game. The non-cooperative game model can only achieve the optimal individual interests, and often ignores Total social benefit

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