Micro-grid Hierarchical Energy Trading Strategy Based on Double Blockchain Storage

doi:10.11930/j.issn.1004-9649.202012097

Abstract

Abstract: In micro-grid electric energy transaction, the traditional method is to store the internal data of electric energy transaction model through single chain block chain technology, but the original model needs large storage space. In order to save the storage resources of micro-grid trading system, this paper uses the method of physical block chain and transaction block chain double chain storage structure to store the data of micro-grid electric energy trading model. It effectively solves the stored in single chain storage is effectively solved and the storage cost of data is saved. In the electric energy trading strategy of micro-grid, two-way auction mechanism is used to trade electric energy, and supply-demand balance is used to trade electric energy. Considering the difference of different types of distributed power supply and load in micro-grid. This paper uses game theory method to analyze the power bidding strategy of micro-grid, under the condition of satisfying the balance of supply and demand. The distributed power supply and load of micro-grid are optimized according to their profit maximization. Finally, the effectiveness of the trading strategy is verified by an experimental example of micro-grid.

Key words: micro-grid, blockchain, double blockchain storage, electricity trading, bidding strategy

YU Yunjun, YANG Shengbao, MIN Weidong, YU Guanghua, WEI Bolu. Micro-grid Hierarchical Energy Trading Strategy Based on Double Blockchain Storage[J]. Electric Power, 2022, 55(4): 156-165.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202012097

https://www.electricpower.com.cn/EN/Y2022/V55/I4/156

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