Multi-energy system robust optimization scheduling strategy based on game theory

Abstract

The invention discloses a multi-energy system robust optimization scheduling strategy based on the game theory, and belongs to the technical field of power systems, the multi-energy system comprises a multi-energy system and a scheduling strategy, and the multi-energy system comprises a thermal power generating unit. According to the method, peak clipping and valley filling of uncertain wind and light output and load requirements are achieved through two-stage peak shaving control of the photo-thermal power station and the energy storage power station, then total power output is smoothed, meanwhile, new energy is consumed to the maximum extent, the photo-thermal power station is provided with a heat storage system, stable supply of electric energy can be guaranteed, and therefore the buffering capacity is achieved; when the configured heat storage capacity is large enough, the system can serve as a peak regulation power plant to participate in scheduling of a multi-energy system, power production is greatly smoothed, new energy consumption can be effectively promoted, and the system is one of important technologies for achieving high-proportion new energy grid connection. And the new energy consumption is improved to the greatest extent while the operation flexibility and reliability of the system are improved.

Description

technical field [0001] The invention belongs to the technical field of power systems, and in particular relates to a robust optimal scheduling strategy for multi-energy systems based on game theory. Background technique [0002] The inherent characteristics of renewable energy make the power grid peaking, in addition to the load problems faced in the past, there is also the addition of new energy. Conventional power not only needs to follow the load changes, but also needs to balance the output fluctuation of new energy. The maximum output of new energy exceeds conventional power regulation. When the area is in range, abandoned wind and abandoned light will be generated. [0003] In order to enhance the regulation ability of the power grid, promote the consumption of renewable energy, improve the quality of electric power, improve the stability and reliability of the system, increase the reserve capacity of the system, and improve and improve economic benefits, it is necessa...

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Problems solved by technology

[0009] The purpose of the present invention is: in order to solve the problem that wind power generation is affected by natural wind, the output fluctuates greatly, has a relatively large diurnal and seasonal variation rate, and presents strong seasonality and intermittency. Affected directly by sunlight, the existing system does not have the ability to dispatch and adjust active power output. When the sunlight intensity changes rapidly, the output power will fluctuate rapidly in a wide range, forcing the system to add more spinning reserve capacity to quickly compensate for wind power. , photovoltaic power generation system output fluctuations, and proposed a multi-energy system based on game theory robust optimization scheduling strategy

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