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arXiv 1908.00710math.OC
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不确定条件下AC输电网规划的一种新方法

A New Efficient Methodology for AC Transmission Network Expansion Planning in The Presence of Uncertainties

Soumya Das, Ashu Verma, P. R. Bijwe

摘要:

由于可再生能源与现有电网的大规模整合,在现代输电网络扩展规划(TNEP)中考虑发电,负荷和网络的不确定性越来越受到关注。然而,它是一个艰巨的任务时,迭代AC制定使用。解决这些不确定性通常ACTNEP的计算负担是这样的,它几乎是不可能的,即使是一个中型系统在一个可行的时间框架内获得解决方案。在这项工作中,提出了一个两阶段的解决方案,以获得快速,高质量,次最优解合理的计算负担。概率公式用于解释不同的不确定性。针对Garver 6节点和IEEE 24节点系统,采用2m+1点估计法和改进的人工蜂群算法求解概率TNEP。在这两个系统中,额定风力发电被认为是总发电容量的十分之一以上。当与传统的单阶段和现有的解决方案相比,所提出的方法是能够获得几乎相同的解决方案,具有极低的计算负担。因此,所提出的方法提供了一个工具,有效解未来的概率ACTNEP问题的复杂性更高的水平。

英文摘要:

Consideration of generation, load and network uncertainties in modern transmission network expansion planning (TNEP) is gaining interest due to large-scale integration of renewable energy sources with the existing grid. However, it is a formidable task when iterative AC formulation is used. Computational burden for solving the usual ACTNEP with these uncertainties is such that, it is almost impossible to obtain a solution even for a medium-sized system within a viable time frame. In this work, a two-stage solution methodology is proposed to obtain quick, good-quality, sub-optimal solutions with reasonable computational burden. Probabilistic formulation is used to account for the different uncertainties. Probabilistic TNEP is solved by 2m+1-point estimate method along with a modified artificial bee colony (MABC) algorithm, for Garver 6 bus and IEEE 24 bus systems. In both the systems, rated wind generation is considered to be more than one-tenth of the total generation capacity. When compared with the conventional single stage and existing solution methods, the proposed methodology is able to obtain almost identical solutions with extremely low computational burdens. Therefore, the proposed method provides a tool for efficient solution of future probabilistic ACTNEP problems with greater level of complexity.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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