Research on Digital Twin Modeling for Virtual Power Plant

In recent years, distributed photovoltaics, decentralized wind power, new types of loads, electric vehicles, etc. have been connected to the power grid on a large scale, and the distribution network has become more active, with strong volatility, and large peak-valley differences. The management and coordination of distributed resources has become more prominent. Interaction puts forward higher requirements. This paper first investigates the main requirements of virtual power plants for the access of various new energy sources on the load side; then based on the virtual power plant resource aggregation access requirements and the key technologies of the power Internet of Things, the virtual power plant access layer system architecture is proposed; in order to further realize the power flow, The integration of information flow and business flow, optimize the allocation of power resources, improve the quality of service, build a communication network with a hierarchical control architecture based on the intelligent decision-making needs of virtual power plants, and establish a cloud-side-end integrated digital twin model, thereby integrating the digital twin The technology is highly integrated with the physical power grid to provide a means for real-time control of the adjustable resources of the virtual power plant.