Abstract
In view of the problems of large-grid-level centralized transactions and dispatch centers with information asymmetry and high processing costs, a completely decentralized transaction architecture and a weak centralized scheduling strategy based on block-chain are proposed. Firstly, the concepts of transaction decentralization and scheduling decentralization are defined, and the reliability of distributed transaction communication is studied. Built a blockchain transaction risk control model based on the communication credit consensus mechanism. Secondly, under the weakly centralized scheduling architecture based on the autonomous chain of substations, security checks are performed, and temporary central nodes are set up to perform scheduling tasks. Finally, an improved evolutionary game algorithm is used to solve the above model, and the optimal solution is obtained by dynamically updating the credibility.
Highlights
With the continuous development of modern power systems, a unified power trading and dispatching platform has problems of information asymmetry and low transaction reliability, which does not meet the characteristics of openness, equality and sharing in the power system
On the basis of the completion of the transaction, a weakly centralized scheduling architecture based on the autonomous chain of substations is designed for security verification
EXAMPLE ANALYSIS In order to verify the effectiveness of the mechanism proposed in this paper, a weak centralized scheduling model is built on MATLAB
Summary
With the continuous development of modern power systems, a unified power trading and dispatching platform has problems of information asymmetry and low transaction reliability, which does not meet the characteristics of openness, equality and sharing in the power system. A. LARGE-GRID AND BLOCK-CHAIN INTEGRATION FUNCTION The decentralized nature of the blockchain naturally corresponds to the distributed nature of the main body in the power grid, which can meet the demand for direct electricity trading. The four small-capacity substations in the outer ring still use centralized power trading, which is conducive to maintaining the stable operation of the platform When this level of electric energy does not meet the demand for electricity, the neighboring substation submits a transaction application and the transaction authority is obtained after the review is passed. Since the optimization strategy in this paper is analyzed under a decentralized structure, it prevents randomness and volatility from affecting the safe and stable operation of the power grid. It is shown that all transactions are executed through a third-party trading center
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