Abstract：The uncoordinated charging of large-scale electric vehicles (EVs) will bring great risks and burdens for safe operation of the grid. Therefore, two kinds of EVs’ coordinated charging modes are proposed, that is, the automatic on-off charging mode and the charging mode of the smooth adjustment. On the basis of the existing distribution network of the residential area, two kinds of coordinated charging optimization model were proposed to maximize transmitting electric energy correspondingly, using distribution transformer and line capacity as the constraints. The models were solved by stochastic simulation and improved particle swarm algorithm. Taken the charging station established at a residential district of Shenzhen as an example, the uncoordinated charging mode and two coordinated charging modes of EVs were used. The voltage distributions of the three modes and responding factors of two coordinated charging modes were compared. The amount of profit and the parameters such as load volatility at the residential charging station were also calculated. The concept of saving cost was proposed, to compensate the cost of users who took part in coordinated charging mode. Simulation results showed that both of the coordinated charging modes can improve the satisfaction from the grid and the users, and charging management system can choose either mode according to their own demands.
刘星平,李世军,于浩明,张磊. 住宅小区内电动汽车有序充电优化模式[J]. 电工技术学报, 2015, 30(20): 238-245.
Liu Xingping, Li Shijun, Yu Haoming, Zhang Lei. Coordinated Charging Optimization Mode of Electric Vehicles in the Residential Area. Transactions of China Electrotechnical Society, 2015, 30(20): 238-245.
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2015, Vol. 30 
