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Evaluating the impact of renewable generation on transmission expansion planning

机译:评估可再生能源发电对输电扩展计划的影响

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Transmission expansion solutions can be affected greatly by renewable energy resources scale-up efforts that aim at tapping a large amount of renewable generation from dispersed locations. In this paper, we study how renewable generation, wind and solar in particular, can impact the transmission expansion planning (TEP). We study the effects of correlations between variable resources, installed capacities, fluctuations, and changing the harvesting locations on transmission expansion solutions. To capture these effects accurately, especially the correlations effects, we consider hourly resolution for renewable generation and system demand when computing the operation costs. Since using hourly resolution substantially increases the computational time of the TEP solution algorithm, we use multivariate interpolation to accelerate the computations. We use the Binary Particle Swarm Optimization to solve the TEP problem. We also compare the expansion plans obtained by using the multivariate interpolation method, clustered data, and using DC versus AC optimal power flow models. We run all studies on the IEEE 24-bus test system for a planning horizon of 10 years.
机译:旨在扩大分散地区可再生能源发电量的可再生能源资源的推广工作可能会极大地影响传输扩展解决方案。在本文中,我们研究了可再生能源发电,尤其是风能和太阳能如何影响输电扩展计划(TEP)。我们研究了可变资源,装机容量,波动和改变收割位置之间的相关性对变速箱扩展解决方案的影响。为了准确地捕获这些影响,尤其是相关性影响,我们在计算运营成本时考虑每小时可再生发电的分辨率和系统需求。由于使用小时分辨率会大大增加TEP解决方案算法的计算时间,因此我们使用多元插值来加快计算速度。我们使用二进制粒子群算法来解决TEP问题。我们还比较了使用多元插值方法,聚类数据以及使用DC与AC最优潮流模型获得的扩展计划。我们在IEEE 24-bus测试系统上进行了为期10年的规划研究。

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