Abstract
With the increase in the number of microgrids and the maturity of technology, microgrids will also participate in power market bidding while ensuring their own consumption. This paper establishes a microgrid transaction model based on the blockchain platform and uses the Optimized Particle Swarm Algorithm (OPSO) to solve the optimal bidding strategy in the transaction, which achieves the respective profit optimization of each subject. The model proposed in this paper realizes the organic integration of blockchain and microgrid to solve the problem of underutilization of energy in a microgrid gaming competition. The proposed optimized particle swarm algorithm has high convergence accuracy and strong search capability. Also, the two major market players are used as research objects to establish an actual “Wind Turbine - Energy Storage System - Electric Vehicle” mini-microgrid system to solve the real-time electricity price problem. A comparative analysis of the model is carried out utilizing an example verification.
Highlights
As the economy and society continue to develop, distributed power producers and sellers are gradually participating in electricity market transactions [1]
This paper studied the problem of market competition and game in the microgrid system
By analyzing the demands of multiple market players such as microgrid operators, large users, and distributed storage providers, a local multimicrogrid market competition game model was developed based on blockchain technology
Summary
As the economy and society continue to develop, distributed power producers and sellers are gradually participating in electricity market transactions [1]. Reference [8] proposes a decentralized distributed energy trading mechanism based on blockchain smart contract technology as a way to enable P2P energy trading between producers. The rest of the paper is organized as follows: in Sec. II, a brief introduction to the concepts related to blockchain technology and a coupled analysis of microgrid group transactions and blockchain technology are presented; in Sec. III, a multi-party game model based on microgrid operators, large users, and distributed storage providers is developed; in Sec. IV, the OPSO is used to solve the above multi-body game model; in Sec. V, using the wind turbine, energy storage device, and electric vehicle combination model as a practical example of a small-scale microgrid for verification of the algorithm; in Sec.VI, conclusion, and summary. The bottom layer is the data layer, which uses a chain structure to store the underlying data blocks; the second layer is the network layer, including network transmission mechanisms and verification mechanisms; the third layer is the consensus layer, which encapsulates algorithms to allow distributed blocks to reach consensus; the fourth layer is the incentive layer, which mainly includes the issuance mechanism and distribution mechanism; the fifth layer is the contract layer, which generates smart contracts; the top layer is the application layer, which is the actual case of blockchain application in power transactions
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