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Photovoltaic energy storage power station capacity configuration optimization method based on Stackelberg game

A photovoltaic energy storage and photovoltaic power station technology, applied in market forecasting, marketing, instruments, etc., can solve problems such as the mismatch between the installed capacity of photovoltaic power stations and energy storage power stations

Pending Publication Date: 2021-05-11
NANJING INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims at the deficiencies in the prior art, and considers the economic operation problem that the installed capacity of the photovoltaic power station and the energy storage power station does not match, and provides an operation process that takes into account the participation of the photovoltaic power station and the energy storage power station in the electric power market, based on the Starkel Berger game, establishing a revenue model of photovoltaics and energy storage, reducing grid load, and improving the utilization rate of photovoltaic energy storage system capacity allocation optimization method

Method used

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  • Photovoltaic energy storage power station capacity configuration optimization method based on Stackelberg game
  • Photovoltaic energy storage power station capacity configuration optimization method based on Stackelberg game
  • Photovoltaic energy storage power station capacity configuration optimization method based on Stackelberg game

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Embodiment Construction

[0044] The present invention is described in further detail now in conjunction with accompanying drawing.

[0045] figure 1 is a capacity allocation flow chart based on the Stackelberg game, figure 2 It is the basic structure diagram of photovoltaic energy storage system. Photovoltaic energy storage system includes photovoltaic array, battery pack, DC / DC converter and DC / AC bidirectional converter. According to the type of photovoltaic grid-connected bus, it can be divided into grid-connected methods based on DC bus, grid-connected methods based on AC buses, and grid-connected methods based on mixed AC and DC buses.

[0046] The invention participates in the economic optimization scheduling of the power market by integrating the photovoltaic power station and the energy storage power station into the power grid. As the leader of the photovoltaic power station, the installed capacity of the energy transaction with the energy storage power station is determined, and the maxi...

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Abstract

The invention proposes a photovoltaic energy storage power station capacity configuration optimization method based on the Stackelberg game. The method gives consideration to the power demands of users and the electric charge pricing of the participation of a photovoltaic power station and an energy storage power station in an electric power market, builds a photovoltaic and energy storage income model based on the Stackelberg game, reduces the load of a power grid, and improves the capacity configuration of the photovoltaic energy storage power station. The photovoltaic energy utilization rate is improved. According to the method, a utility function is used to simulate the preference of a power consumer and a power consumption mode, a Stackelberg game model is established to analyze the strategy interaction of a photovoltaic power station and an energy storage power station in the real-time pricing of the power market, and the capacity configuration of the photovoltaic energy storage system is optimized by achieving balance through the game. Therefore, the purposes of improving the utilization rate of photovoltaic energy, reducing expenditure and increasing income are achieved.

Description

technical field [0001] The invention belongs to the field of capacity allocation of photovoltaic storage systems, and in particular relates to a method for optimizing capacity allocation of photovoltaic energy storage power stations based on Stackelberg game. Background technique [0002] With the development of energy storage technology, energy storage power stations have become an effective means for peak load regulation and valley filling in power systems, improving system stability, and realizing demand-side management. Photovoltaic power generation is an important form of new energy power generation, and the grid-connected operation of large-scale photovoltaic power plants is the trend of future development. With the continuous improvement of power market rules, it has become an important trend for energy storage power plants and photovoltaic power plants to participate in the power market as decision-makers. [0003] The output of photovoltaic power plants is random a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q30/02G06Q50/06
CPCG06Q10/04G06Q30/0206G06Q50/06Y04S10/50Y02E40/70
Inventor 黄才华刘婷婷蒋诚智余雨刘伟伟唐蕾李小平
Owner NANJING INST OF TECH
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