Optimized Operation of a Photovoltaic Storage Charging Station Considering Photovoltaic Uncertainty

Aiming at the PV power generation system, which is intermittent due to time and climate factors, and cannot be matched with electric vehicle charging demand in real time, an energy storage system is added to the PV charging station, and an optimal scheduling of energy storage based on PV energy storage charging station is proposed. Firstly, the PV uncertainty is analyzed, and the energy storage operation strategy is formulated by combining the peak and valley leveling tariffs. Secondly, the number of cycles of the energy storage system is converted to the cost of battery loss, which is included in the optimization objective, and then an economic optimization model of the energy storage system of the photovoltaic charging station is established, with the minimum daily operating cost of the photovoltaic charging station as the objective function, which ensures that the load of the charging station achieves peak elimination and valley filling while maximizing the benefits of the charging station, and finally, the optimal economic scheduling of energy storage with the minimum daily operating cost is obtained through the solving of the example, which shows that the proposed optimization method is effective and efficient in scheduling energy storage. The results show that the proposed optimization method effectively achieves peak elimination and valley filling, and maximizes the economic benefits of the charging station.