Research on Control Strategy of Energy Storage System Based on Day-ahead Energy Prediction

Muchao Xiang, Zaixun Ling, Linjie Zhu, Yiming Gu, Zhe Zhang, Liang Huang
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Abstract

As the number of new energy vehicles continues to rise, the demand for charging facilities is also increasing. The new energy production and consumption system represented by "optical storage and charging" will play an important role in achieving carbon neutrality. However, "optical storage and charging" integrated charging stations generally have problems such as poor photovoltaic energy absorption capacity, negative impact of load characteristics on the power grid, and low economic benefits. In view of the above phenomena, this paper takes the integrated charging station of "optical storage and charging" as the research object, and proposes a control strategy of energy storage system based on day-ahead energy prediction, Firstly, the day-ahead PV generation curve and EV charging curve are predicted, and then the model is modeled with the goal of minimizing the all-day electricity purchase cost and reducing the peak load as the constraint condition. The optimal solution is obtained by using the linear programming algorithm, and the feasibility and effectiveness of the strategy are verified by an example in the MATLAB simulation environment.
基于日前能量预测的储能系统控制策略研究
随着新能源汽车数量的不断增加,对充电设施的需求也在不断增加。以“光存储与充电”为代表的新型能源生产与消费体系将在实现碳中和方面发挥重要作用。然而,“光储充电”一体化充电站普遍存在光伏能量吸收能力差、负荷特性对电网产生负面影响、经济效益低等问题。针对上述现象,本文以“光储充电”一体化充电站为研究对象,提出了一种基于日前能量预测的储能系统控制策略,首先对日前光伏发电曲线和电动汽车充电曲线进行预测,然后以最小化全天购电成本和降低峰值负荷为约束条件对模型进行建模。利用线性规划算法得到了最优解,并在MATLAB仿真环境中通过实例验证了该策略的可行性和有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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