Multi-Objective Dynamic Economic Dispatch of Microgrid Systems Including Vehicle-to-Grid
AbstractBased on the characteristics of electric vehicles (EVs), this paper establishes the load models of EVs under the autonomous charging mode and the coordinated charging and discharging mode. Integrating the EVs into a microgrid system which includes wind turbines (WTs), photovoltaic arrays (PVs), diesel engines (DEs), fuel cells (FCs) and a storage battery (BS), this paper establishes multi-objective economic dispatch models of a microgrid, including the lowest operating cost, the least carbon dioxide emissions, and the lowest pollutant treatment cost. After converting the multi-objective functions to a single objective function by using the judgment matrix method, we analyze the dynamic economic dispatch of the microgrid system including vehicle-to-grid (V2G) with an improved particle swarm optimization algorithm under different operation control strategies. With the example system, the proposed models and strategies are verified and analyzed. Simulation results show that the microgrid system with EVs under the coordinated charging and discharging mode has better operation economics than the autonomous charging mode. Meanwhile, the greater the load fluctuation is, the higher the operating cost of the microgrid system is. View Full-Text
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Liu, H.; Ji, Y.; Zhuang, H.; Wu, H. Multi-Objective Dynamic Economic Dispatch of Microgrid Systems Including Vehicle-to-Grid. Energies 2015, 8, 4476-4495.
Liu H, Ji Y, Zhuang H, Wu H. Multi-Objective Dynamic Economic Dispatch of Microgrid Systems Including Vehicle-to-Grid. Energies. 2015; 8(5):4476-4495.Chicago/Turabian Style
Liu, Haitao; Ji, Yu; Zhuang, Huaidong; Wu, Hongbin. 2015. "Multi-Objective Dynamic Economic Dispatch of Microgrid Systems Including Vehicle-to-Grid." Energies 8, no. 5: 4476-4495.