Turbine Control strategies for wind farm power optimization

M. Mirzaei, T. Göçmen, G. Giebel, P. Sørensen, N. K. Poulsen
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引用次数: 32

Abstract

In recent decades there has been increasing interest in green energies, of which wind energy is the most important one. In order to improve the competitiveness of the wind power plants, there are ongoing researches to decrease cost per energy unit and increase the efficiency of wind turbines and wind farms. One way of achieving these goals is to optimize the power generated by a wind farm. One optimization method is to choose appropriate operating points for the individual wind turbines in the farm. We have made three models of a wind farm based on three difference control strategies. Basically, the control strategies determine the steady state operating points of the wind turbines. Except the control strategies of the individual wind turbines, the wind farm models are similar. Each model consists of a row of 5MW reference wind turbines. In the models we are able to optimize the generated power by changing the power reference of the individual wind turbines. We use the optimization setup to compare power production of the wind farm models. This paper shows that for the most frequent wind velocities (below and around the rated values), the generated powers of the wind farms are different. This means that choosing an appropriate control strategy for the individual wind turbines will result in an increased power production of the wind farm.
风电场功率优化的涡轮控制策略
近几十年来,人们对绿色能源的兴趣日益浓厚,其中风能是最重要的一种。为了提高风力发电厂的竞争力,人们正在研究如何降低每能量单位的成本,提高风力涡轮机和风力发电场的效率。实现这些目标的一种方法是优化风力发电场产生的电力。一种优化方法是为电场中的单个风力涡轮机选择合适的工作点。基于三种不同的控制策略,我们建立了三个风电场模型。控制策略基本上决定了风力发电机的稳态工作点。除了单个风力涡轮机的控制策略不同外,风电场模型是相似的。每个模型由一排5MW的参考风力涡轮机组成。在模型中,我们能够通过改变单个风力涡轮机的功率参考来优化发电功率。我们使用优化设置来比较风力发电场模型的发电量。本文表明,对于最常见的风速(低于额定值或接近额定值),风电场的发电功率是不同的。这意味着为单个风力涡轮机选择适当的控制策略将导致风力发电场的发电量增加。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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