通过故障区域孤岛化为智能配电系统服务恢复提供一种新的多目标双层方法

IF 1.9 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC International Transactions on Electrical Energy Systems Pub Date : 2024-01-02 DOI:10.1155/2024/9687002
Hasan Keshavarz Ziarani, Seyed Hossein Hosseinian, Ahmad Fakharian
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引用次数: 0

摘要

智能配电网络的基本功能之一是利用故障后孤岛方法提高网络恢复性能。故障区域的孤岛化可以离线和在线两种方式进行。在线孤岛可减少甩负荷,降低运行成本。本研究提出了一种新颖的故障后系统恢复两步数学方法。在第一层,为故障区域的系统优化安排提出了一个新的数学模型。在这一层中,主要目标是减少配电系统的甩负荷和运行成本。为此,在故障事件发生后,要确定孤岛式 MG 的边界。然后,在第二层,解决智能配电网络中的单位承诺问题。除了甩负荷,这一层还确定了储能系统 (ESS) 的优化规划和不可调度分布式发电 (DG) 资源的重新安排。所提方法的重要优势在于执行时间短、运行成本低。需求响应 (DR) 程序也被用于优化系统恢复。本文的另一个目标是利用多目标方法和ε约束方法来解决问题,同时使智能配电网络的成本和排放最小化。本文提出的模型已在 IEEE 33 总线系统上进行了测试。事实证明,与文献中的技术相比,所提出的模型具有更好的性能。
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Providing a New Multiobjective Two-Layer Approach for Developing Service Restoration of a Smart Distribution System by Islanding of Faulty Area

One of the essential capabilities of a smart distribution network is to improve network restoration performance using the postfault islanding method. Islanding of the faulty area can be done offline and online. Online islanding will decrease load shedding and operation cost. In this study, a novel two-step mathematical method for system restoration after the fault is presented. A new mathematical model for the optimal arrangement of the system for the faulty area in the first layer is proposed. In this layer, the main objective is to decrease the distribution system’s load shedding and operational costs. In this regard, after the fault event, the boundary of the islanded MGs is determined. Then, in the second layer, the problem of unit commitment in the smart distribution network is addressed. In addition to the load shedding, optimal planning of energy storage systems (ESSs) and nondispatchable distributed generation (DG) resource rescheduling are also determined in this layer. The important advantages of the proposed approach are low execution time and operational costs. A demand response (DR) program has also been used for optimal system restoration. Solving the problem using the multiobjective method with the epsilon-constraint method is another goal of the paper, which simultaneously minimizes the cost and the emissions of the smart distribution network. The proposed model has been tested on an IEEE 33-bus system. Better performance of the proposed model compared to the techniques in the literature has been proven.

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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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