协调规划和运营的灵活容量分配双层优化模型

IF 1.9 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC International Transactions on Electrical Energy Systems Pub Date : 2023-12-31 DOI:10.1155/2023/8352768
Xinyu Yin, Xiaoyan Bian, Qinran Zhu, Jinbin Zhao, Shunfu Lin, Kwok L. Lo
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引用次数: 0

摘要

传统的灵活容量分配方法不考虑资源的实际运行状况,这可能会导致高可再生渗透率电力系统中分配结果的冗余。在柔性资源规划阶段使用协同优化可以显著提高整体经济性和柔性。因此,本文提出了一种用于灵活容量分配的双层运行规划联合优化模型。其目的是优化系统的年度总成本和灵活性。上层规划引入了经济成本、柔性资源容量和柔性指数作为系统柔性的评价指标,而在下层运行层面,则提出了一种基于多尺度和熵权法的形态聚类算法,用于获取柔性需求的典型场景。在此基础上,下层模拟生产以估算每日运营成本。此外,还使用非支配排序遗传算法-II(NSGA-II)和线性规划方法对模型进行迭代求解,以获得帕累托解决方案。基于一个实际城镇地区进行了案例研究,结果验证了所提出的两级产能分配模型的有效性和合理性。
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A Bi-Level Optimization Model for Flexible Capacity Allocation with Coordinated Planning and Operation
Traditional methods for flexible capacity allocation do not take into account the actual operation status of resources, and this can lead to redundancy of allocation results in a high renewable penetration power system. Using collaborative optimization during the flexibility resource planning stage can significantly improve the overall economics and flexibility. Therefore, a bilevel operation-planning joint optimization model for flexible capacity allocation is proposed in this paper. The aim is to optimize the annual total cost and flexibility of the system. The upper planning level introduces the economic costs, flexibility resource capacity, and flexibility index which are used as the evaluation index of system flexibility, while in the lower operation level, a morphological clustering algorithm based on the multiscale and entropy weight method is proposed for obtaining typical scenarios of flexibility demand. On this basis, the lower level simulates production to estimate daily operating costs. In addition, the model is solved iteratively using the nondominated sorting genetic algorithm-II (NSGA-II) and the linear programming method to obtain the Pareto solutions. Case studies are carried out based on a practical town area, and the results verify the validity and rationality of the proposed bilevel capacity allocation model.
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来源期刊
International Transactions on Electrical Energy Systems
International Transactions on Electrical Energy Systems ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
6.70
自引率
8.70%
发文量
342
期刊介绍: International Transactions on Electrical Energy Systems publishes original research results on key advances in the generation, transmission, and distribution of electrical energy systems. Of particular interest are submissions concerning the modeling, analysis, optimization and control of advanced electric power systems. Manuscripts on topics of economics, finance, policies, insulation materials, low-voltage power electronics, plasmas, and magnetics will generally not be considered for review.
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