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首页> 外文期刊>Energy Conversion & Management >Design optimization and sensitivity analysis of a biomass-fired combined cooling, heating and power system with thermal energy storage systems
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Design optimization and sensitivity analysis of a biomass-fired combined cooling, heating and power system with thermal energy storage systems

机译：具有热能存储系统的生物质燃料联合冷却，加热和电力系统的设计优化和灵敏度分析

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摘要

In this work, an operation strategy for a biomass-fired combined cooling, heating and power system, composed of a cogeneration unit, an absorption chiller, and a thermal energy storage system, is formulated in order to satisfy time-varying energy demands of an Italian cluster of residential multi-apartment buildings. This operation strategy is adopted for performing the economical optimization of the design of two of the devices composing the combined cooling, heating and power system, namely the absorption chiller and the storage system. A sensitivity analysis is carried out in order to evaluate the impact of the incentive for the electricity generation on the optimized results, and also to evaluate, separately, the effects of the variation of the absorption chiller size, and the effects of the variation of the thermal energy storage system size on the system performance. In addition, the inclusion into the system of a cold thermal energy storage system is analyzed, as well, assuming different possible values for the cold storage system cost. The results of the sensitivity analysis indicate that the most influencing factors from the economical point of view are represented by the incentive for the electricity generation and the absorption chiller power. Results also show that the combined use of a thermal energy storage and of a cold thermal energy storage during the hot season could represent a viable solution from the economical point of view.
机译：在这项工作中，制定了一种由热电联产机组，吸收式制冷机和热能存储系统组成的生物质燃烧联合制冷，供热和电力系统的运行策略，以满足随时间变化的能源需求。意大利的住宅多公寓建筑群。采用这种运行策略可以经济地优化组成制冷，加热和动力系统组合的两个设备的设计，即吸收式冷却器和存储系统。进行敏感性分析是为了评估发电激励措施对优化结果的影响，并分别评估吸收式制冷机尺寸变化的影响和吸收式制冷机尺寸变化的影响。热能存储系统的大小对系统性能的影响。另外，还假设冷存储系统成本的不同可能值，还分析了冷热能存储系统是否包含在系统中。敏感性分析的结果表明，从经济角度来看，影响最大的因素是发电和吸收式冷水机组的动力。结果还表明，从经济的角度来看，在炎热季节将热能储存和冷热能储存结合使用可能是一个可行的解决方案。

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