Thermo-economic analysis of trigeneration system based on AA-CAES

被引：0
|
作者：
Han Z. [1 ]
Sun Y. [1 ]
Li P. [1 ]
Hu Q. [1 ]
机构：
[1] Key Lab of Low-carbon and Efficient Power Generation Technology of Hebei Province (North China Electric Power University), Baoding
来源：
Taiyangneng Xuebao/Acta Energiae Solaris Sinica | 2022年 / 43卷 / 02期
关键词：
Combined cooling; heating and power trigeneration; Compressed air energy storage; Heat distribution; Numerical simulation; Performance analysis;
D O I：
10.19912/j.0254-0096.tynxb.2020-0402
中图分类号：
学科分类号：
摘要：
In order to investigate the effect of heat distribution and utilization in heat storage tank on the performance of advanced adiabatic compressed air energy storage system, and improve the efficiency and economy of the system in the grid-connected application of renewable energy, five heat distribution schemes are proposed. By means of numerical simulation, the thermodynamic and economic characteristics of the system under five schemes are compared, and the influence of key parameters on the performance of the system under different schemes is also studied. The results show that the higher the heat distribution ratio, the higher the cycle efficiency and the smaller the annual profit margin. For the five heat distribution schemes, cycle efficiency and annual profit margin exists the minimum values with the increase of the maximum pressure ratio of gas storage chamber. And there is an optimal heat exchanger effectiveness, so that the cycle efficiency and annual profit margin have the maximum. The effect of the inlet temperature of the compressor on the cycle efficiency and annual profit margin of the five heat distribution schemes is different. Moreover, the annual profit margin decreases as fuel price increases while increases as product price increases. © 2022, Solar Energy Periodical Office Co., Ltd. All right reserved.
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页码：97 / 103
页数：6
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