不平衡配电系统中电池储能系统的优化选址和选型:不确定性下的多目标问题

IF 5 2区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
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引用次数: 0

摘要

本文将不平衡有功配电系统中电池储能系统的选址和选型问题表述为不确定条件下的混合整数、非线性、受约束多目标(MO)优化问题。由于存在时际约束、大量状态变量以及问题输入数据中的不确定性,该问题从计算角度来看非常繁琐。我们提出了一种基于权衡/风险分析的新方法,可以用可接受的计算量获得一个可能不是最优解但代表合理稳健折中方案的解决方案。我们采用权衡/风险分析法,因为它是专门针对电力系统规划问题而开发的,在这些问题中,我们需要处理大量的选项、可能相互冲突的目标以及不确定性和风险。所提出的方法包括新的程序,用于选择在权衡/风险分析框架中考虑的适当的规划备选方案集,并在设定输入数据的概率出现困难时为规划工程师提供帮助。在 IEEE 不平衡测试系统中的数值应用证明了所提程序的有效性,并指出了在全球范围内安装的 450 千瓦至 600 千瓦储能系统的最佳替代方案,节点数量有所减少。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Optimal siting and sizing of battery energy storage systems in unbalanced distribution systems: A multi objective problem under uncertainty

Optimal siting and sizing of battery energy storage systems in unbalanced distribution systems: A multi objective problem under uncertainty
In this paper the siting and sizing problem of battery energy storage systems in unbalanced active distribution systems is formulated as a mixed-integer, non-linear, constrained multi objective (MO) optimization problem under uncertainties. The problem is cumbersome from the computational point of view due to the presence of intertemporal constraints, a great number of state variables and the presence of uncertainties in the problem input data. A new approach based on the trade-off/risk analysis is proposed to obtain with acceptable computational efforts a solution that may not be the optimal solution but represents a reasonable and robust compromise. We use the trade-off/risk analysis, because it was specifically developed for power system planning problems in which we deal with a wide range of options, with possible conflicting objectives, and with uncertainty and risk. The proposed approach includes new procedures to select an adequate set of planning alternatives to be considered in the trade-off/risk analysis framework and to assist the planning engineer when difficulties arise in setting probabilities of the input data. Numerical applications to an IEEE unbalanced test system demonstrate the effectiveness of the proposed procedure and indicate the best alternatives of storage systems in the range from 450 kW to 600 kW globally installed in a reduced set of nodes.
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来源期刊
International Journal of Electrical Power & Energy Systems
International Journal of Electrical Power & Energy Systems 工程技术-工程:电子与电气
CiteScore
12.10
自引率
17.30%
发文量
1022
审稿时长
51 days
期刊介绍: The journal covers theoretical developments in electrical power and energy systems and their applications. The coverage embraces: generation and network planning; reliability; long and short term operation; expert systems; neural networks; object oriented systems; system control centres; database and information systems; stock and parameter estimation; system security and adequacy; network theory, modelling and computation; small and large system dynamics; dynamic model identification; on-line control including load and switching control; protection; distribution systems; energy economics; impact of non-conventional systems; and man-machine interfaces. As well as original research papers, the journal publishes short contributions, book reviews and conference reports. All papers are peer-reviewed by at least two referees.
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