The invention discloses a dynamic power distribution method for a direct current charging pile, and relates to the technical field of power distribution of the direct current charging pile, and the method specifically comprises the following steps: obtaining the dynamic power characteristic information of all electric vehicles which are accessed to the direct current charging pile for charging in real time, and carrying out the analysis after obtaining, respectively generating a fluctuation risk index and a dynamic load adaptability coefficient of each electric vehicle; and constructing a fluctuation sensitivity evaluation model for the generated fluctuation risk index and the dynamic load adaptability coefficient of each electric vehicle, generating a fluctuation sensitivity evaluation coefficient of each electric vehicle, analyzing the fluctuation sensitivity evaluation coefficient after generation, and evaluating the sensitivity degree of each electric vehicle to the bus voltage fluctuation. And the electric vehicles are divided into high-sensitivity vehicles, medium-sensitivity vehicles and low-sensitivity vehicles according to evaluation results. The problem that charging of sensitive vehicles is interrupted due to the fact that the direct-current charging pile cannot accurately distribute power is solved, and the stability and resource utilization efficiency of a charging system are improved.
本发明公开了一种直流充电桩的动态功率分配方法,涉及直流充电桩功率分配技术领域,具体包括以下步骤:实时获取接入直流充电桩进行充电的所有电动车的动态功率特性信息,并在获取后进行分析,分别生成各辆电动车的波动风险指数和动态负载适应性系数;对生成的各辆电动车的波动风险指数和动态负载适应性系数构建波动敏感性评估模型,生成各辆电动车的波动敏感性评估系数,并在生成后进行分析,评估各辆电动车对母线电压波动的敏感程度,并根据评估结果将各辆电动车划分为高敏感车辆、中敏感车辆和低敏感车辆。本发明解决了直流充电桩无法精准分配功率导致敏感车辆充电中断的问题,提升了充电系统的稳定性和资源利用效率。
Dynamic power distribution method of direct current charging pile
一种直流充电桩的动态功率分配方法
2025-02-11
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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