基于区块链技术的微电网系统的自主电力交易模型

Autonomous power trading model of Microgrid system based onblock chain technology

区块链技术作为新一代计算机系统和通信技术领域的发展新趋势,是搭建智慧电网的可靠载体。微电网可基于储能系统实现内部电力自主消纳、削峰填谷、平抑波动,能有效缓解大电网的电力供需压力,并实现可再生电能利用率最大化,有效节约资源。基于区块链的底层构建技术,提出建立一种依托混合储能装置的微电网社区点对点的自主电力交易模型,采用订单匹配优化算法将产消节点双方匹配,搭建节点用户间的公开透明、安全可靠的去中心化交易平台,再利用智能合约自动完成交易。基于美国PJM电力市场所采用的利用节点边际电价进行阻塞管理,可有效提升交易质量和电能消纳水平。

Blockchain technology,as a new trend in the field of next-generation computer systems and communication technology,is a reliable carrier for building a smart grid.The microgrid can realize internal power self-consumption,peak clipping and valley fill⁃ing,and smooth fluctuations based on the energy storage system.It can effectively alleviate the pressure of power supply and demand of the large grid,and maximize the use of renewable energy,and effectively save resources.Based on the underlying construction technolo⁃gy of the blockchain,this paper proposes to establish a peer-to-peer autonomous power transaction model of the microgrid community relying on hybrid energy storage devices.The order matching optimization algorithm is used to match the two nodes of the production and consumption nodes,and to establish an open and transparent relationship between node users.Safe and reliable decentralized trad⁃ing platform,and then use smart contracts to complete transactions automatically.Based on the congestion management using the node's marginal electricity price based on the PJM power market in the United States,it can effectively improve transaction quality and energy consumption level.