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Performance assessment of Tidal Stream Turbines: A parametric approach

机译:潮汐涡轮机性能评估:一种参数方法

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摘要

Due to the high cost of a tidal stream plant it is essential to select turbines that will have an optimum performance at the site in question. The objective of this work is twofold: (ⅰ) to present a procedure to compare the performance of different Tidal Stream Turbines (TSTs) at a given site, and (ⅱ) to illustrate it by means of a case study. A new parameter, the site-specific turbine efficiency, is defined ad hoc and used alongside the availability and capacity factors, and the energy output over a reference period of time. These four performance parameters are determined for each turbine on the basis of the characteristics of the flow at the site. The procedure is illustrated with a case study in which two TSTs, the Gor-lov Helicoidal Turbine and the Evopod, are compared for a site in an estuary. It is found that the availability and capacity factors of the Gorlov machine are higher (implying more operation hours and equivalent hours per annum) but the Evopod has larger site-specific efficiency and total energy output. In conclusion, a parametric approach that allows to compare the performance of different TSTs at any site of interest is presented and illustrated with a case study.
机译:由于潮汐流电厂的高昂成本,必须选择在相关站点具有最佳性能的涡轮机。这项工作的目的有两个:(ⅰ)提出一个程序,比较给定地点的不同潮汐涡轮机(TST)的性能,(ⅱ)通过案例研究加以说明。临时定义了一个新参数,即特定地点的涡轮效率,并与可用性和容量因子以及参考时间段内的能量输出一起使用。根据现场的流动特性,为每个涡轮机确定这四个性能参数。通过案例研究说明了该程序,其中比较了河口一个站点的两个TST(Gor-lov螺旋涡轮机和Evopod)。发现Gorlov机器的可用性和容量因子更高(这意味着更多的运行小时和每年的等效小时),但是Evopod具有特定于站点的效率和总能量输出。总之,提出了一种参数方法,该方法可以比较任何感兴趣站点上不同TST的性能,并通过案例研究进行说明。

著录项

  • 来源
    《Energy Conversion & Management》 |2013年第5期|49-57|共9页
  • 作者

    V. Ramos; G.Iglesias;

  • 作者单位

    University of Santiago de Compostela, EPS, Hydraulic Eng., Campus Univ. s, 27002 Lugo, Spain;

    University of Plymouth, School of Marine Science and Engineering, Drake Circus, Plymouth PL4 8AA, UK;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    tidal energy; tidal power; efficiency; power performance;

    机译:潮汐能;潮汐发电;效率;动力表现;

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