考虑负荷时空均衡和弹性响应的电动汽车快充电价定价策略

为了引导电动汽车有序充电，提出了一种考虑负荷时空均衡和弹性响应的电动汽车快充电价定价策略。引入交通流理论描述交通路网，建立电动汽车快充负荷时空分布模型；考虑配电网调度和电动汽车快充负荷的弹性需求，构建源-荷互动下的快充电价定价架构，并基于潮流追踪法从时空双维度推导快充电价的计算方法；在此基础上，计及电动汽车负荷弹性响应特性，以提升配电网的负荷均衡性为目标，建立快充电价定价策略，并通过迭代算法求解该定价策略。算例仿真结果表明，所提定价策略能够有效引导电动汽车进行有序快充，激励电动汽车用户与配电网友好互动，提升负荷的时空分布均衡性。

Pricing strategy of electric vehicle fast charging price considering space-time equilibrium and elastic response of load

In order to guide the ordered charging of electric vehicles(EVs),a pricing strategy of EV fast charging price considering space-time equilibrium and elastic response of load is proposed. The traffic flow theory is introduced to describe the traffic network and the space-time distribution model of EV fast char-ging load is established. Considering the elastic demand of distribution network scheduling and EV fast charging load, the pricing framework of fast charging price under the source-load interaction is constructed. Based on the power flow tracking method, the calculation method of fast charging price is derived from the space-time dual dimension. On this basis, considering the elastic response characteristics of EV load and aiming to improve the load balance of distribution network, a pricing strategy of fast charging price is established, which is solved by an iterative algorithm. The simulative results show that the proposed pricing strategy can effectively guide the ordered fast charging of EVs, motivate the friendly interaction between EV users and distribution network, and improve the space-time distribution balance of load.