Energy storage system charging and discharging optimization method in electric power spot market

Abstract

The invention relates to an energy storage system charging and discharging optimization method in an electric power spot market, and the method comprises the following steps: 1, building an objectivefunction of an energy storage system charging and discharging strategy optimization model with the minimum peak-valley difference and fluctuation degree of a power consumer net load in the electric power spot market; 2, constructing constraint conditions of an energy storage system charging and discharging strategy optimization model; and 3, solving the energy storage system charging and discharging strategy optimization model based on a particle swarm algorithm, and outputting the maximum value and the optimal solution of the target function of the energy storage system charging and discharging strategy optimization model to obtain the optimal charging and discharging strategy of the energy storage system. According to the invention, the potential of peak load shifting and demand responseof power consumers can be effectively stimulated.

Description

technical field [0001] The invention belongs to the technical field of electric energy storage system optimization, and relates to an optimization method for charging and discharging an electric energy storage system, in particular to an optimization method for charging and discharging an energy storage system in an electric power spot market. Background technique [0002] Energy storage system is an important part and key supporting technology of power system. The energy storage system is not only an important means to improve the flexibility, economy and security of the power system, but also can promote the open sharing and flexible trading of energy production and consumption, which is the core basis for promoting the reform of the power system and promoting the development of new energy formats. Building an energy storage system on the power user side can effectively realize peak load shifting and demand-side management of power user loads. It is one of the important ap...

AI Technical Summary

Problems solved by technology

However, the clearing electricity price in the electricity spot market has high uncertainty and large fluctuations, and it is difficult for the existing charging and discharging optimization methods to effectively deal with the greater risks in the market environment

[0010] Therefore, the present invention’s charging and discharging optimization method for the existing energy storage system is relatively simple and rough, which cannot effectively stimulate the potential of power users’ peak-shaving and valley-filling and demand response, and cannot effectively deal with the high uncertainty and fluctuation range of electricity prices in the power spot market. A method for optimizing charging and discharging of energy storage systems in the power spot market is proposed

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