A blockchain‐based smart contract model for secured energy trading management in smart microgrids

IF 1.5 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Security and Privacy Pub Date : 2023-09-13 DOI:10.1002/spy2.341
Xiaole Su, Yuanchao Hu, Wei Liu, Zhipeng Jiang, Chan Qiu, Jie Xiong, Ju Sun
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引用次数: 1

Abstract

Abstract The extension of emerging renewable energy sources such as wind and water turbines, solar panels, and the increasing usage of electric vehicles requires the supply and distribution of energy in a small device on local scale and it has created new methods of supplying and selling electricity. Middle buyers and end users can obtain the local energy with the peer‐to‐peer trading method in this large and hierarchical market. This method enables market to manage and exchange the electricity between major suppliers and medium and local levels. Blockchain technology is developing in peer‐to‐peer exchange of electricity and acts as a reliable, efficient, and safe technology in the electricity trading market. In this method, while preserving the privacy of electricity users, by using smart contracts and by removing intermediaries in the energy supply and demand market, direct commercial interactions between energy suppliers and consumers are done. The blockchain technology, while creating trust between the parties in the energy market, reduces the cost of electricity trading and increases its scalability with using the intermediate energy aggregators. In this research, the blockchain‐based model, is presented for distribution and peer‐to‐peer transactions in the energy market. The suggested model provides the possibility of registration low‐cost instant transactions at the power grid in any specific period of time. The above method, unlike periodic payments, provides immediate access to bills and small payments. Since the transactions outside the blockchain chain are not recorded, this system guarantees its honest and independent operation without fraud and failure. The smart contract method based on blockchain, reduces the transaction fees and speeds up electricity trading. Also, the experimental investigation in 20 nodes shows the time required to determine the exchange contract in the blockchain method. The average is improved by 49.7% in this method. Also, the negotiation convergence time has become 47% faster.
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基于区块链的智能微电网安全能源交易管理智能合约模型
新兴的可再生能源,如风力涡轮机和水轮机、太阳能电池板,以及电动汽车的日益普及,都需要在局部规模的小型设备中供应和分配能源,这创造了新的电力供应和销售方法。在这个庞大的分层市场中,中间买家和最终用户可以通过点对点交易的方式获得本地能源。这种方法使市场能够在主要供应商和中、地方各级之间管理和交换电力。区块链技术在电力点对点交易中不断发展,在电力交易市场中发挥着可靠、高效、安全的作用。在这种方法中,通过使用智能合约和消除能源供需市场中的中介,在保护电力用户隐私的同时,实现了能源供应商和消费者之间的直接商业互动。区块链技术在能源市场各方之间建立信任的同时,降低了电力交易的成本,并通过使用中间能源聚合器提高了其可扩展性。在本研究中,提出了基于区块链的模型,用于能源市场的分配和点对点交易。建议的模型提供了在任何特定时期在电网登记低成本即时交易的可能性。与定期付款不同,上述方法提供了对账单和小额付款的即时访问。由于区块链链外的交易没有记录,因此该系统保证了其诚实独立的运行,没有欺诈和故障。基于区块链的智能合约方法,降低了交易费用,加快了电力交易速度。此外,在20个节点上的实验调查显示了区块链方法确定交换合约所需的时间。该方法平均提高了49.7%。谈判收敛时间也提高了47%。
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