一种降低不确定性和优化效率的汽轮机选型方法

K. Foss, Zongjie Wang
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引用次数: 0

摘要

本文的目的是提出一种度量,允许涡轮机选择与减少不确定性的那些模型,适合于一个特定的风分布。用改进的极大似然法对威布尔模型进行了检验和计算。对19台风机进行了仿真案例研究,验证了额定区域、切断区域和非额定区域的风速概率,以及其他模拟条件,如年发电量和容量系数。根据风力分布,对选定的涡轮机进行了最优、足够和不足额定风速的评估。仿真结果表明,高额定功率的水轮机性能会低于低额定功率的水轮机。效率和产量与优化额定风速密切相关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Towards a Turbine Selection Method with Uncertainty Reduction and Efficiency Optimization
This paper aims to present a metric that allows turbine selection with reduced uncertainty from those models that are suitable to a specific wind distribution. A Weibull model is examined and calculated with a modified maximum likelihood method approach. Simulation case studies on nineteen turbines have been validated for the probability of wind speeds in the rated region, cut-out regions, and unrated region, in addition to other simulation conditions such as annual energy production and capacity factor. Based on the wind distribution, selected turbines have been evaluated for optimal, sufficient, and insufficient rated wind speeds. Simulation results show higher rated turbines can under-perform those of lower rated capacities. Efficiency and production correlate closely with optimization of rated wind speeds.
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