Multi-party energy management for EV charging station cooperated with PV systems in smart grid

The owners of PV systems and EV charging station are probably different. Combining PV systems with EV charging station can contribute to more benefit, according to previous research, but also lead to some problem. In order to solve the problem of energy management and profit distribution, a multi-party energy management for EV charging station cooperated with PV systems in smart grid is proposed. Firstly, the feasible model of EV charging energy demand is established based on starting charging time, departure time and SOC, which is varied with the PV power. The actual charging power can be then decided according to the relationship between charging demand and PV power. Finally, the operation profit is distributed to each project using Shapley value method, which considers the contribution of each project. A comprehensive result obtained from simulation tests has shown that the proposed energy management can obviously increase the profit of each party in cooperation mode compared to independent mode, which can be utilized to practical application.