用连续松弛迭代法优化灵活配电网络的分布式无功功率

IF 8.6 1区 工程技术 Q1 ENERGY & FUELS IEEE Transactions on Sustainable Energy Pub Date : 2024-09-18 DOI:10.1109/TSTE.2024.3463177
Tao Zhang;Tianjiao Pu;Lei Dong;Xin Yuan;Yunfei Mu;Hongjie Jia
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引用次数: 0

摘要

柔性软开路点(SOP)与有功配电网(ADNs)连接,通过提供灵活的功率调节,为改善电压和无功控制(VVC)提供了一种有希望的方式。由于互联网络的不断扩展,集中式优化方法面临着各种挑战。因此,本文提出了一种基于局部模型解耦和迭代交互的基于sop的多区域adn分布式协调无功优化策略。利用乘数交替方向法(ADMM),将集中式VVC优化问题划分为若干子问题,使每个区域以完全分布的方式优化其局部子问题。多个资源因此由VVC协调,包括离散和连续设备。为了保证整数问题和非凸问题的可计算性,将松弛迭代和连续线性逼近方法嵌套到ADMM框架中,使分布式VVC优化问题的解可以用松弛迭代算法生成,大大提高了算法的收敛性和计算效率。本文使用改进的IEEE标准互连系统验证了该方法的有效性。
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Distributed Reactive Power Optimization for Flexible Distribution Networks With Successive Relaxation Iteration Method
The flexible soft open point (SOP) connected to active distribution networks (ADNs) offers a promising manner of improving voltage and VAR control (VVC) by providing flexible power regulation. Due to the expansion of interconnective networks, the centralized optimization method has recently faced various challenges. This paper thus proposes a novel distributed coordinated reactive power optimization strategy for SOP-based multiregional ADNs based on local model decoupling and iterative interactions. By applying the alternating direction method of multipliers (ADMM), the centralized VVC optimization problem is divided into several subproblems, allowing each area to optimize its local subproblem in a fully distributed manner. Multiple resources are thereby coordinated by the VVC, including both discrete and continuous devices. To ensure computability of both integer and non-convex problems, the relaxation iteration and successive linear approximation methods are nested to the ADMM framework, within this approach to allow ready solution to the distributed VVC optimization problem to be generated using a relaxation iterative algorithm, which significantly improves algorithm convergence and computational efficiency. The effectiveness of the proposed method is demonstrated in this work using a modified IEEE standard interconnection system.
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来源期刊
IEEE Transactions on Sustainable Energy
IEEE Transactions on Sustainable Energy ENERGY & FUELS-ENGINEERING, ELECTRICAL & ELECTRONIC
CiteScore
21.40
自引率
5.70%
发文量
215
审稿时长
5 months
期刊介绍: The IEEE Transactions on Sustainable Energy serves as a pivotal platform for sharing groundbreaking research findings on sustainable energy systems, with a focus on their seamless integration into power transmission and/or distribution grids. The journal showcases original research spanning the design, implementation, grid-integration, and control of sustainable energy technologies and systems. Additionally, the Transactions warmly welcomes manuscripts addressing the design, implementation, and evaluation of power systems influenced by sustainable energy systems and devices.
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