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Overcoming the supply inconsistencies of tidal current energy conversion devices

机译:克服潮流能量转换装置的供电不一致性

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摘要

The adoption of a sustainable approach to meeting the energy needs of society has recently taken on a more central and urgent place in the minds of many people. There are many reasons for this including ecological, environmental and economic concerns. One particular area where a sustainable approach has become very relevant is in the production of electricity. The contribution of renewable sources to the energy mix supplying the electricity grid is nothing new, but the focus has begun to move away from the more conventional renewable sources such as wind and hydro. The necessity of exploring new and innovative sources of renewable energy is now seen as imperative as the older forms (i.e. hydro) reach the saturation point of their possible exploitation. One such innovative source of energy currently beginning to be utilised in this regard is tidal energy.udThe purpose of this thesis is to isolate one specific drawback to tidal energy, which could be considered a roadblock to this energy source being a major contributor to the Irish national grid. This drawback presents itself in the inconsistent nature in which a tidal device generates energy over the course of a 24 hour period. This inconsistency of supply can result in the cycling of conventional power plants in order to even out the supply, subsequently leading to additional costs.udThe thesis includes a review of literature relevant to the area of tidal and other marine energy sources with an emphasis on the state of the art devices currently in development or production.udThe research carried out included tidal data analysis and manipulation into a model of the power generating potential at specific sites. A solution is then proposed to the drawback of inconsistency of supply, which involves the positioning of various tidal generation installations at specifically selected locations around the Irish coast. The temporal shift achieved in the power supply profiles of the individual sites by locating the installations in the correct locations, successfully produced an overall power supply profile with the smoother curve and a consistent base load energy supply. Some limitations to the method employed were also outlined, and suggestions for further improvements to the method were made.
机译:最近,在许多人的心中,采用一种可持续的方法来满足社会的能源需求已成为更加中心和紧迫的事情。造成这种情况的原因很多,包括生态,环境和经济问题。可持续方法变得非常重要的一个特定领域是电力生产。可再生能源在为电网供电的能源结构中的贡献并不是什么新鲜事物,但是重点已经从传统的可再生能源(如风能和水力发电)上转移了。现在,随着旧形式(即水力发电)达到其可能开采的饱和点,探索新型和可再生能源的必要性已被视为当务之急。潮汐能是目前开始在这方面使用的一种创新能源。 ud本论文的目的是隔离潮汐能的一个特定缺点,可以将其视为阻碍该潮汐能发展的主要因素。爱尔兰国家电网。该缺点以不一致的性质表现出来,其中潮汐设备在24小时内会产生能量。这种供应的不一致会导致常规发电厂的循环运行,以使供应均匀,从而导致额外的成本。 ud本文对与潮汐和其他海洋能源领域有关的文献进行了回顾,重点是 ud进行的研究包括潮汐数据分析和操纵到一个特定地点的发电潜力模型中。然后提出一种解决方案,以解决供应不一致的缺点,该解决方案涉及将各种潮汐发电设施定位在爱尔兰海岸周围特定选定的位置。通过将设备放置在正确的位置,在各个站点的电源配置文件中实现的时间变化,成功地产生了具有更平滑曲线和一致的基本负载能量供应的总体电源配置文件。还概述了所用方法的一些局限性,并提出了进一步改进该方法的建议。

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  • 作者

    Kelly Declan;

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  • 年度 2010
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  • 原文格式 PDF
  • 正文语种 en
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