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The influence of charging process on trigenerative performance of compressed air energy storage system
International Journal of Energy Research ( IF 4.3 ) Pub Date : 2020-03-25 , DOI: 10.1002/er.5366 Yang He 1 , Shenghui Zhou 1 , Yujie Xu 2 , Haisheng Chen 2 , Jianqiang Deng 1
International Journal of Energy Research ( IF 4.3 ) Pub Date : 2020-03-25 , DOI: 10.1002/er.5366 Yang He 1 , Shenghui Zhou 1 , Yujie Xu 2 , Haisheng Chen 2 , Jianqiang Deng 1
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Adiabatic compressed air energy storage system (ACAES) has a natural advantage on trigeneration combined cooling, heating and power. A dynamic model coupled with exergy calculation is developed and the charging strategy for trigenerative application is focused on. The dynamic characteristic of ACAES is performed and the effects of charging mode, number of compression stages and thermal energy storage on the characteristic of trigenerative application are obtained. The sliding-pressure charging mode is suggested for the trigeneration due to 3.92% higher exergy efficiency than that of constant-pressure charging mode. Asymmetrical arrangement of ACAES with more compression stages is efficient for its trigenerative application especially increasing heating and cooling supplies with 2.9% exergy efficiency improvement. Furthermore, changing mass flow rate of thermal energy storage medium (ie, water) shows an outstanding ability to vary the cooling, heating, and power supply ratios in a very wide range. Besides, the economic analysis is carried out which addresses the obvious economic improvement by trigenerative application of ACAES. Accordingly, joint regulation of compression stages and water mass flow rate is suggested to be an efficient and economic approach to adjust the distribution of cooling, heating and electricity supplies according to the user's demand.
中文翻译：
充电过程对压缩空气储能系统三联电性能的影响
绝热压缩空气储能系统（ACAES）在冷、热、电三联供方面具有天然优势。开发了结合火用计算的动态模型，并重点研究了三联应用的充电策略。对ACAES的动态特性进行了分析，得到了充电方式、压缩级数和热能存储对三联应用特性的影响。三联产建议采用滑压充电模式，因为火用效率比恒压充电模式高3.92%。具有更多压缩级的 ACAES 的不对称布置对于其三联应用是有效的，尤其是增加了加热和冷却供应，火用效率提高了 2.9%。此外，改变热能储存介质（即水）的质量流量显示出在很宽的范围内改变冷却、加热和供电比的出色能力。此外，还进行了经济分析，解决了ACAES三代应用带来的明显经济改善。因此，建议对压缩级和水质量流量进行联合调节是根据用户需求调整冷却、加热和电力供应分配的一种有效且经济的方法。
更新日期：2020-03-25
中文翻译：
充电过程对压缩空气储能系统三联电性能的影响
绝热压缩空气储能系统（ACAES）在冷、热、电三联供方面具有天然优势。开发了结合火用计算的动态模型，并重点研究了三联应用的充电策略。对ACAES的动态特性进行了分析，得到了充电方式、压缩级数和热能存储对三联应用特性的影响。三联产建议采用滑压充电模式，因为火用效率比恒压充电模式高3.92%。具有更多压缩级的 ACAES 的不对称布置对于其三联应用是有效的，尤其是增加了加热和冷却供应，火用效率提高了 2.9%。此外，改变热能储存介质（即水）的质量流量显示出在很宽的范围内改变冷却、加热和供电比的出色能力。此外，还进行了经济分析，解决了ACAES三代应用带来的明显经济改善。因此，建议对压缩级和水质量流量进行联合调节是根据用户需求调整冷却、加热和电力供应分配的一种有效且经济的方法。
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