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Microgrid power source planning method based on game and Nash equilibrium

A technology of micro power supply and micro grid, applied in the field of micro grid to achieve the effect of improving comprehensive technical economic benefits and ensuring efficient utilization

Inactive Publication Date: 2014-06-04
李涛
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  • Application Information

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Problems solved by technology

However, the above methods have certain limitations, and they are all based on micro-grid or large power grid with different investors for micro-power planning.

Method used

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  • Microgrid power source planning method based on game and Nash equilibrium
  • Microgrid power source planning method based on game and Nash equilibrium
  • Microgrid power source planning method based on game and Nash equilibrium

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Embodiment Construction

[0054] The embodiments will be described in detail below in conjunction with the accompanying drawings. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.

[0055] (1) Optimal allocation model of game Nash equilibrium

[0056] The cooperative game optimization model of the microgrid and the large power grid established in this paper is to ensure that the overall income of all participants is maximized, that is, to maximize the income through the formation of a cooperative alliance of participants, and then to distribute the income reasonably, and finally to ensure that the individual participants Maximize the benefits. Therefore, suppose is the Nash equilibrium strategy of the game model, and the cooperative game model is:

[0057]

[0058] (2) Model solution

[0059] For the optimization model of cooperative game, it is a nonlinear, multi-constrained optimization problem, s...

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Abstract

The invention discloses a microgrid power source planning method based on game and Nash equilibrium. Cooperative game optimal configuration models are established with identities of different participants respectively, generated output characteristics of micro sources of different kinds in a microgrid and various constraint conditions are taken into full consideration, a game is carried out between revenue functions formed by microgrid electricity sell revenue, investment cost of the microgrid, system losses cost, environment cost and interactive power cost and revenue functions formed by loss reduction revenue of large power grid loss, electricity sell revenue to the microgrid, discharged exhaust gas cost due to electricity sell to the microgrid and hot standby cost saved by a large power grid, solving is carried out by adopting a game iterative algorithm, and the power source planning problem of the game models is solved. Simulated analytical investigation is carried out by adopting a typical microgrid structure, simulation results show that cooperative the game between the microgrid and the large power grid can achieve better revenue, and therefore sound development of the microgrid can be promoted by combining power of all interested parties.

Description

technical field [0001] The invention relates to a microgrid power supply planning method based on game Nash equilibrium, which belongs to the technical field of microgrids. Background technique [0002] With the increasingly serious environmental problems and energy crisis, the traditional power system consumes fossil fuels to generate electric energy and long-distance transmission is difficult to meet the requirements of energy saving, emission reduction, environmental pollution reduction, network loss reduction, power quality improvement and power supply reliability, etc. All countries in the world are vigorously developing new energy and renewable energy and increasing the proportion of renewable energy power generation. At the same time, users' requirements for power quality and power supply reliability are constantly improving, requiring the power grid to provide safer, more reliable, clean, and high-quality power supply, and to be able to adapt to the needs of various ...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06
Inventor 王琦朱士嘉王燕薛金明李丹李孝宇李涛薛敏
Owner 李涛
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