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A Distributed Optimal Scheduling Method for Internet Micro-Networks Based on Smart Contracts

A technology for optimizing scheduling and interconnecting microgrids, applied in data processing applications, forecasting, instruments, etc., to solve problems such as the lack of blockchain interconnected microgrid system solutions, to solve trust problems, reduce default rates, and increase reasonable sexual effect

Active Publication Date: 2022-03-08
XIANGTAN UNIV
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  • Description
  • Claims
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Problems solved by technology

It can be seen that the current application of blockchain to participate in micro-grid transactions is still at the level of fusion concept; as an analysis level, there is no specific solution for using blockchain to participate in interconnected micro-grid systems

Method used

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  • A Distributed Optimal Scheduling Method for Internet Micro-Networks Based on Smart Contracts
  • A Distributed Optimal Scheduling Method for Internet Micro-Networks Based on Smart Contracts
  • A Distributed Optimal Scheduling Method for Internet Micro-Networks Based on Smart Contracts

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Embodiment

[0102] 3.1 Basic data

[0103] Construct an IMS containing three island microgrids, MG1 includes a conventional generator DG1 and a heating unit HEAT1, MG2 contains a conventional generator DG2 and a combined heat and power system CHP2, and MG3 includes a combined heat and power system CHP1. IMS topology such as Figure 4 shown.

[0104] A short-term forecast is made on the output power and load of wind and wind, and 20 minutes is selected as a dispatch cycle, and the heat demand and wind and wind output power prediction results within the consensus time are specified as follows: the heat demand of MG1 is 0.1MWh, and the wind and wind output power is 0.1MWh respectively , 0.2MWh, the thermal demand of MG2 is 0.08MWh, the optical output power is 0.1MWh respectively, the thermal demand of MG3 is 0.05MWh, and the wind and solar output power are 0.1MWh and 0.3MWh respectively. We predict the results of the initial load within one consensus time (i.e., three scheduling periods). ...

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Abstract

The invention discloses a smart contract-based distributed optimization scheduling method for interconnected microgrids, comprising the following steps: establishing a block chain for power transactions; setting a dispatching period, recording the electricity sent and received within the dispatching period; establishing an interconnected microgrid The optimal dispatching model of the system is solved and the optimal dispatching plan is obtained; according to the optimal dispatching plan, the transaction content of the participating microgrids is determined, and the smart contract is signed and sent to other microgrids in the network; each microgrid reaches a consensus; The transaction is verified to determine whether the transaction is safe. If it is not safe, the transaction will be canceled. If it is safe, the transaction will be completed and the funds will be transferred between microgrids. The present invention proposes a distributed optimization scheduling model and a distributed iterative algorithm for the interconnected microgrid system, and applies the blockchain to the records and value transfers of distributed transactions, and signs smart contracts between the microgrids, which solves the problem of both sides of the transaction. The trust problem between the high degree of automation.

Description

technical field [0001] The invention relates to an intelligent contract-based distributed optimization scheduling method for an interconnected micro-network. Background technique [0002] Microgrid (MG) is an independently controllable system including loads and various distributed power sources. Generally, microgrids can be converted in grid-connected and islanded modes. With the development of microgrid, a new concept of interconnected microgrid system (IMS) is proposed, which shares load and reserve capacity with adjacent microgrids. By developing an interconnected microgrid system (IMS), it can be more flexible to ensure the full use of renewable energy, reduce operating costs, and improve power supply reliability. From the perspective of interactive energy, microgrid can be regarded as having attributes of both sellers and buyers. During different time periods, the microgrid acts as a seller or a buyer depending on real-time operating conditions and net power distrib...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06
Inventor 段斌辛凯华王杰刘念
Owner XIANGTAN UNIV
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