风电场布局优化研究进展:风向鲁棒性和尾迹诱导的非对称推力负荷

Q4 Energy
Carsten Croonenbroeck, David Hennecke
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引用次数: 0

摘要

在本研究中,我们解决了风电场布局优化(WFLO)问题,并通过结合经济驱动目标函数的其他方面来解决最佳涡轮机布局问题。首先,我们分析了风向对给定涡轮机布置的影响。基于与方向相关的尾流模式,从业者有时会关闭他们农场的某些涡轮机。我们的方法计算在何种尾流情况下哪些涡轮机应该关闭。在此基础上,我们开发了一种方法来寻找很少需要关闭的新涡轮机装置,并且在某种意义上,对风向的变化“稳健”。其次,我们提出了三维空间的部分覆盖Jensen尾迹模型,并提供了减少或避免尾迹引起的涡轮转子盘上的不对称推力的工具,这种不对称推力会导致能量下降和加速磨损。这方面也可以用于寻找新的涡轮机设置,考虑到部分覆盖,并在必要时避免它。总的来说,本研究中提出的改进应用将导致风电场产生的能源的年利润增加。这是决策者,如农场规划者/经营者,在一个通常利润率很低的市场中可能依赖的一个方面。我们的方法进入了开源研究框架,作为统计软件R的软件包。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Advances in Wind Farm Layout Optimization: Wind Direction Robustness and Wake Induced Asymmetric Thrust Load
In this study, we address the wind farm layout optimization (WFLO) problem and tackle the issue of optimal turbine placement by incorporating additional aspects of an economically driven target function. Firstly, we have analyzed the effect of wind direction on a given turbine arrangement. Based on the direction-dependent wake pattern, practitioners sometimes shut down certain turbines on their farms. Our method computes which turbines should be shut down in which wake situation. On this basis, we have developed a method of finding new turbine setups that rarely require shutdowns and are, in a certain sense, “robust” against changes to the wind direction. Secondly, we have presented a partial coverage Jensen wake model in three-dimensional space and have provided the tools for reducing or avoiding wake-induced asymmetric thrust on the rotor disc of the turbine, which leads to reduced energy yield and accelerated wear. This aspect can also be used for finding new turbine setups that take partial coverage into account and avoid it if necessary. Overall, the application of the refinements suggested in this study will result in an increased yearly profit achieved from the produced energy in a wind farm. This is an aspect that decision-makers, such as farm planners/operators, might depend on in a market that typically possesses narrow profit margins. Our methods find entrance into the open-source research framework that comes as the package wflo for the statistical software R.
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来源期刊
Journal of Nuclear Energy Science and Power Generation Technology
Journal of Nuclear Energy Science and Power Generation Technology Energy-Energy Engineering and Power Technology
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