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Energy and exergy analysis of a micro-compressed air energy storage and air cycle heating and cooling system

机译：微压缩空气储能和空气循环加热和冷却系统的能量和火用分析

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摘要

Energy storage systems are becoming more important for load leveling, especially for widespread use of intermittent renewable energy. Compressed air energy storage (CAES) is a promising method for energy storage, but large scale CAES is dependent on suitable underground geology. Micro-CAES with man-made air vessels is a more adaptable solution for distributed future power networks. In this paper, energy and exergy analyses of a micro-CAF.S system are performed, and, to improve the efficiency of the system, some innovative ideas are introduced. The results show that a micro-CAES system could be a very effective system for distributed power networks as a combination that provides energy storage, generation with various heat sources, and an air-cycle heating and cooling system, with a energy density feasible for distributed energy storage and a good efficiency due to the multipurpose system,. Especially, quasi-isothermal compression and expansion concepts result in the best exergy efficiencies.
机译：能量存储系统对于负载均衡（尤其是间歇性可再生能源的广泛使用）变得越来越重要。压缩空气储能（CAES）是一种有前途的储能方法，但大规模CAES取决于合适的地下地质。带有人工航空器的Micro-CAES是一种适用于未来分布式电网的更适应的解决方案。本文对微型CAF.S系统进行了能量和火用分析，并且为了提高系统效率，引入了一些创新思想。结果表明，微型CAES系统可以作为分布式电源网络的非常有效的系统，因为它可以提供能量存储，利用各种热源进行发电以及空气循环加热和冷却系统，并且能量密度对于分布式系统是可行的。多功能系统，储能和高效。特别是，准等温压缩和膨胀概念导致了最佳的火用效率。

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  • 来源
    《Energy》 |2010年第1期|213-220|共8页
  • 作者

    Y.M. Kim; D. Favrat;

  • 作者单位

    ECO Machinery Division, Korea Institute of Machinery and Materials, 171 Jang-dong, Yuseong-gu, Daejeon, 305-343, Republic of Korea;

    Industrial Energy System Laboratory, Swiss Federal Institute of Technology of Lausanne (EPFL), Station 9, CH1015 Lausanne, Switzerland;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    compressed air energy storage (CAES); micro-CAES; exergy; second law; air cycle heating and cooling;

    机译：压缩空气储能（CAES）;微型CAES;火用第二定律空气循环加热和冷却;

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