Block chain-based micro-grid distributed energy transaction method and system

A technology of distributed energy and transaction method, applied in the field of microgrid distributed energy transaction based on blockchain, can solve the problems of limited transaction efficiency, and achieve the effect of improving efficiency and ensuring security.

Pending Publication Date: 2021-11-12
ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID NINGXIA ELECTRIC POWER COMPANY +2
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Problems solved by technology

[0005] At present, the achievable range of power trading is all nodes of the large power grid. According to the characteristics that power energy transactions include both capital transfer and actual powe

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  • Block chain-based micro-grid distributed energy transaction method and system
  • Block chain-based micro-grid distributed energy transaction method and system
  • Block chain-based micro-grid distributed energy transaction method and system

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Embodiment Construction

[0068] The technical solutions and technical effects of the present invention will be further described in detail below in conjunction with the accompanying drawings of the present invention.

[0069] like figure 1 As shown, the present invention provides a blockchain-based microgrid distributed energy trading method, which can support the implementation of microgrids in grid-connected or single-grid operating states. The power generation users in the microgrid have distributed power generation capabilities and can store the generated renewable energy in the energy storage facilities of the microgrid. In the block chain network, energy is shared and profits are obtained, and when the power consumption cannot be satisfied, the power generation user can become a power purchaser user, trading power from other power generation users in the microgrid and the energy storage facilities of the microgrid, realizing Point-to-point nearby transactions can still achieve power transaction...

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Abstract

The invention provides a block chain-based micro-grid distributed energy transaction method, and belongs to the technical field of micro-grids. Comprising the steps that a micro-grid operator carries out matchmaking transaction according to electricity selling information and electricity purchasing information, and an intelligent contract signed between a power generation party user and an electricity purchasing party user is generated; the micro-grid operator broadcasts the intelligent contract to the block chain network and stores the intelligent contract to a node, and the intelligent contract is packaged into a block at the node and is chained; the micro-grid operator executes the smart contract, and completes value transfer and energy transfer of the smart electric meter according to the content in the smart contract; the micro-grid operator checks whether the actual power generation amount of the power generation party user is equal to the declared transaction power amount; the to-be-withdrawn amount of the power generation party is accounted; and the micro-grid operator returns the to-be-returned amount of the power generation party and the guarantee fund of the power purchasing party. The invention further provides a micro-grid distributed energy transaction system based on the block chain.

Description

technical field [0001] The present invention relates to the technical field of micro-grids, in particular to a method and system for trading distributed energy in micro-grids based on blockchain. Background technique [0002] Microgrid is a small power generation and distribution system composed of distributed power generation, energy storage devices, energy conversion devices, loads, centralized control centers and protection devices, which can perform the entire process of power generation, transmission, storage, distribution and power consumption . The microgrid is connected to the large power grid through isolation transformers and isolation devices. It can be operated in parallel with the large power grid or independently to provide electricity for local loads. Therefore, connecting distributed power generation in the form of a microgrid to the large power grid for grid-connected operation and supporting each other with the large power grid is an effective way to relia...

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Application Information

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IPC IPC(8): G06Q40/04G06Q50/06G06F16/27
CPCG06Q40/04G06Q50/06G06F16/27Y04S10/50
Inventor 李永亮丁茂生闫振华夏绪卫高博张爽李秀广张琪马军伟马万里吴旻荣刘畅郭少勇罗海荣张庆平朱东歌马瑞
Owner ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID NINGXIA ELECTRIC POWER COMPANY
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