Resilience-Oriented Planning for Distribution Systems Combining Distributed Generation Allocation and Dynamic Operational Strategies

IF 3.6 3区 计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS
Juan M. Home-Ortiz;Lucas C. Yamaguti;Jairo Yumbla;Ozy D. Melgar-Dominguez;Renato Machado Monaro;José R. S. Mantovani
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Abstract

A specialized strategy to enhance the resilience of distribution systems against high-impact and low-probability events is developed by incorporating investment decisions and emergency operational actions. Investment decisions involve the optimal distributed generation (DG) allocation, while operational actions include dynamic restoration plans that consider microgrid formation, network reconfiguration, and the pre-positioning and displacement of mobile energy storage systems. The resilience problem is formulated as a mixed-integer second-order cone programming (MISOCP) model, where the investment cost of installing new DG units in the system and the expected value of energy shedding in the system are simultaneously minimized. The MISOCP model is extended to a two-stage stochastic scenario-based approach to address the uncertainties associated with solar irradiance, demand, and fault events. In addition, this formulation captures load changes in response to voltage fluctuations through a voltage-dependent ZIP model, which accurately represents the composite load characteristics as a combination of constant impedance (Z), constant current (I), and constant power (P) components. The effectiveness of the proposed model is demonstrated through several experiments using the 33-node and the 69-node distribution systems under different study cases. Numerical results show the benefits of simultaneously addressing the planning and restoration problems, especially when considering emergency scenarios.
结合分布式发电分配和动态运行策略的配电系统弹性规划
通过结合投资决策和紧急业务行动,制定了一项专门战略,以增强配电系统对高影响和低概率事件的恢复能力。投资决策涉及分布式发电(DG)的最佳分配,而运营行动包括考虑微电网形成、网络重构以及移动储能系统的预定位和位移的动态恢复计划。将弹性问题表述为一个混合整数二阶锥规划(MISOCP)模型,该模型要求在系统中安装新DG机组的投资成本和系统的能量损失期望值同时最小化。MISOCP模型扩展为基于两阶段随机场景的方法,以解决与太阳辐照度、需求和故障事件相关的不确定性。此外,该公式通过电压相关ZIP模型捕获响应电压波动的负载变化,该模型准确地将复合负载特性表示为恒定阻抗(Z),恒定电流(I)和恒定功率(P)组件的组合。通过33节点和69节点配电系统在不同情况下的实验验证了该模型的有效性。数值结果显示了同时解决规划和恢复问题的好处,特别是在考虑紧急情况时。
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来源期刊
IEEE Access
IEEE Access COMPUTER SCIENCE, INFORMATION SYSTEMSENGIN-ENGINEERING, ELECTRICAL & ELECTRONIC
CiteScore
9.80
自引率
7.70%
发文量
6673
审稿时长
6 weeks
期刊介绍: IEEE Access® is a multidisciplinary, open access (OA), applications-oriented, all-electronic archival journal that continuously presents the results of original research or development across all of IEEE''s fields of interest. IEEE Access will publish articles that are of high interest to readers, original, technically correct, and clearly presented. Supported by author publication charges (APC), its hallmarks are a rapid peer review and publication process with open access to all readers. Unlike IEEE''s traditional Transactions or Journals, reviews are "binary", in that reviewers will either Accept or Reject an article in the form it is submitted in order to achieve rapid turnaround. Especially encouraged are submissions on: Multidisciplinary topics, or applications-oriented articles and negative results that do not fit within the scope of IEEE''s traditional journals. Practical articles discussing new experiments or measurement techniques, interesting solutions to engineering. Development of new or improved fabrication or manufacturing techniques. Reviews or survey articles of new or evolving fields oriented to assist others in understanding the new area.
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