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Analysis and optimization of CCHP systems based on energy, economical, and environmental considerations

机译：基于能源，经济和环境因素的CCHP系统分析和优化

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摘要

Analysis of combined cooling, heating, and power (CCHP} systems is frequently based on reduction of operating cost without measuring the actual energy use and emissions reduction. CCHP systems can be optimized based on different optimization criterion such as: energy savings, operation cost reduction or minimum environmental impact. In this study, CCHP systems operated following the electric load (FEL) and the thermal load (FTL) strategies are evaluated and optimized based on: primary energy consumption (PEC), operation cost, and carbon dioxide emissions (CDE). This study also includes the analysis and evaluation of an optimized operational strategy in which a CCHP system follows a hybrid electric-thermal load (HETS) during its operation. Results show that CCHP systems operating using any of the optimization criteria have better performance than CCHP systems operating without any optimization criteria. For the evaluated city, the optimum PEC and cost reduction are 7.5% and 4.4%, respectively, for CCHP-FTL, while the optimum CDE reduction is 14.8% for CCHP-FEL Results also show that the HETS is a good alternative for CCHP systems operation since it gives good reduction of PEC, cost, and CDE. This optimized operation strategy provides a good balance among all the variables considered in this paper.
机译：冷热电联产（CCHP）系统的分析通常基于降低运营成本而未测量实际能耗和减排量，可以基于不同的优化标准对CCHP系统进行优化，例如：节能，降低运营成本在此研究中，根据以下各项对CCHP系统的运行进行了评估：基于电耗（FEL）和热负荷（FTL）策略进行了评估和优化：一次能源消耗（PEC），运行成本和二氧化碳排放量（CDE） ）。本研究还包括对优化运行策略的分析和评估，在该策略中，CCHP系统在运行过程中遵循混合电热负荷（HETS），结果表明，使用任何优化标准运行的CCHP系统的性能均优于CCHP系统在没有任何优化标准的情况下运行对于评估的城市，最佳PEC和成本降低分别为7.5％和4.4％积极地，对于CCHP-FTL，CCHP-FEL的最佳CDE降低为14.8％。结果还表明，HETS是CCHP系统运行的良好替代方案，因为它可以很好地降低PEC，成本和CDE。这种优化的操作策略在本文考虑的所有变量之间提供了良好的平衡。

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  • 来源
    《Energy and Buildings》 |2009年第10期|1099-1106|共8页
  • 作者

    P.J. Mago; L.M. Chamra;

  • 作者单位

    Department of Mechanical Engineering, Mississippi State University, 210 Carpenter Engineering Building, P.O. Box ME, Mississippi State, MS 39762-5925, United States;

    Department of Mechanical Engineering, Mississippi State University, 210 Carpenter Engineering Building, P.O. Box ME, Mississippi State, MS 39762-5925, United States;

  • 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

    CCHP systems; operation strategies; primary energy; emissions reduction;

    机译：CCHP系统;经营策略;一次能源减排;

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