The invention discloses an electric vehicle battery charging and discharging method for peak load shifting and a related device, and belongs to the technical field of electric vehicle charging and discharging. The method comprises the following steps: constructing a battery EQU life model, and calculating to obtain the daily energy storage loss cost of the battery; based on the daily energy storage loss cost of the battery, considering the comprehensive load and battery degradation cost of the electric vehicle, the peak-valley difference of the comprehensive load and the peak-valley fluctuation of the comprehensive load to establish a target function; establishing a power battery charging and discharging constraint, a power battery energy continuity constraint and a power battery EQU life model constraint; a peak clipping and valley filling multi-objective optimization model is constructed and obtained; and solving the multi-objective optimization model to obtain a battery charging and discharging strategy. The influence of charging and discharging at different depths on the service life of the battery is comprehensively considered, and more accurate service life management is realized. Through a three-objective optimization strategy of comprehensively considering the battery life cost, the load balance and the peak-valley difference, the system is ensured to realize the balance of economical efficiency and reliability while peak clipping and valley filling are performed.
本发明公开了一种面向削峰填谷的电动汽车电池充放电方法与相关装置,属于电动汽车充放电技术领域;所述方法构建电池EQU寿命模型,并计算得到电池每日的储能折损成本;基于电池每日的储能折损成本,考虑电动汽车综合负荷及电池退化成本、综合负荷峰谷差和综合负荷峰谷波动建立目标函数;建立动力电池充放电约束、动力电池的能量连续性约束和动力电池EQU寿命模型约束;构建得到削峰填谷多目标优化模型;对多目标优化模型进行求解得到电池充放电策略。本发明综合考虑不同深度充放电对电池寿命的影响,实现了更精确的寿命管理。通过综合考虑电池寿命成本、负荷平衡性和峰谷差的三目标优化策略,确保系统在削峰填谷的同时实现经济性与可靠性的平衡。
Electric vehicle battery charging and discharging method for peak load shifting and related device
一种面向削峰填谷的电动汽车电池充放电方法与相关装置
06.05.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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