电动汽车日充电负荷需求模型比较分析

电动汽车大规模充电将给电网运行带来的巨大的挑战,有效准确地预测电动汽车充电功率需求对于减少其对电网产生的不利影响具有重要意义。文以电动汽车日充电负荷需求模型为研究对象,总结了当前主要的负荷需求模型,即从单电池、单充电机、日行驶里程和单位时刻四个不同角度建立的电动汽车负荷需求计算模型,并分别对模型机理和数学描述两方面分别进行了阐述,比较分析了这四种模型的性能和适用范围,最后结合各模型优点提出了一种改进的负荷需求模型,并指出其仿真分析流程。

Comparative Analysis about Day-charge Load Demand Model of EV

Large-scale charging for electric vehicles will take a great challenge for the operation of power grid,predicting effectively the power demand of electric vehicles has great influence on reducing the unfavorable the effection due to large-scale charging.This paper summarizes the major day-charge load demand model of electric vehicle currently,introduces the electric vehicle load demand model from single battery,single charger,day trip mileage and unit time the four different aspects,and compares the performance and application scope of the four models.Finally,an improved load demand model at the base of all models' advantages is proposed,and the flow chart of Monte Carlo simulation is put forward.