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Two-level game-based micro grid optimal and elastic energy trading method and system

A transaction method and micro grid technology, applied in the field of micro grid, can solve the problems of low energy utilization rate and high investment cost

Active Publication Date: 2017-06-09
UNIV OF ELECTRONICS SCI & TECH OF CHINA ZHONGSHAN INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Microgrid monitoring platform and energy management system, high investment cost, low energy utilization rate

Method used

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  • Two-level game-based micro grid optimal and elastic energy trading method and system
  • Two-level game-based micro grid optimal and elastic energy trading method and system
  • Two-level game-based micro grid optimal and elastic energy trading method and system

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0077] figure 1 Embodiment 1 of the present invention provides a two-layer energy trading method for a microgrid.

[0078] refer to figure 1 , the microgrid two-tier energy trading method includes the following steps:

[0079] Step S110, obtain the user terminals inside the microgrid, establish a non-cooperative game model based on the user terminals, and optimize the scheduling of the load strategy corresponding to the user terminals according to the non-cooperative game model, and obtain the first load strategy;

[0080] Step S120, determining microgrid roles according to the first load strategy, where microgrid roles include microgrid sellers and microgrid buyers;

[0081] Step S130, establishing a multi-master and multi-slave Steinkelberg game model between the micro-grid seller and the micro-grid buyer, and optimizing the energy trading strategy of the micro-grid seller according to the multi-master and multi-slave Steinkelberg game model, Get the first energy trading ...

Embodiment 2

[0158] Figure 6 It is a schematic diagram of a microgrid two-layer energy trading system provided by Embodiment 2 of the present invention.

[0159] refer to Figure 6 , the microgrid two-tier energy trading system includes a management unit 100, a role determination unit 200, a first energy trading unit 300 and a second energy trading unit 400;

[0160] The management unit 100 is configured to obtain user terminals inside the microgrid, establish a non-cooperative game model based on the user terminals, and optimize and dispatch the corresponding load strategies of the user terminals according to the non-cooperative game model to obtain the first load strategy;

[0161] A role determining unit 200, configured to determine a microgrid role according to the first load strategy, where the microgrid role includes a microgrid seller and a microgrid buyer;

[0162] The first energy trading unit 300 is used to establish a multi-master and multi-slave Steinkelberg game model betwe...

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Abstract

The invention provides a two-level game-based micro grid optimal and elastic energy trading method and a system and relates to the technical field of the micro-grid technology. According to the technical scheme of the invention, a non-cooperative game model is established according to a user terminal, and then the load strategy of the non-cooperative game model, corresponding to the user terminal, is optimized and scheduled. In this way, a first load strategy is obtained. According to the first load strategy, the roles of the micro-grid are determined. The roles of the micro-grid include a micro-grid the seller and a micro-grid buyer. A multi-master and multi-slave stackelberg game model is established between the micro-grid the seller and the micro-grid buyer. According to the multi-master and multi-slave stackelberg game model, the energy trading strategy of the micro-grid seller is optimized and scheduled, so that a first energy trading volume strategy is obtained. According to the multi-master and multi-slave stackelberg game model and the first energy trading volume strategy, the buying strategy of the micro-grid buyer is optimized and scheduled, so that a first buying strategy is obtained. According to the technical scheme of the invention, the earnings of the micro-grid, the utilization rate of the energy, and the sharing rate of the energy are improved.

Description

technical field [0001] The invention relates to the technical field of micro-grids, in particular to a micro-grid optimal and elastic energy trading method and system based on a two-layer game. Background technique [0002] A microgrid is a small power system that integrates distributed energy sources, distributed energy storage devices, controllable loads, and energy management systems, which enable all power devices to work together in a coordinated manner. As an autonomous and independent system, the microgrid must ensure the effectiveness and efficiency of its internal operations, and formulate strategies for energy interaction with other microgrids. The isolated grid operation mode of the microgrid requires the configuration of an energy storage system with a certain capacity, and the investment cost of the energy storage system is relatively high. The larger the capacity configuration of the energy storage system, the better the effect, but the higher the cost, it is ...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q30/06G06Q50/06
CPCG06Q10/0631G06Q30/06G06Q50/06
Inventor 周文辉吴杰刘金华余翼
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA ZHONGSHAN INST
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