Thermodynamics and economic analysis of adiabatic compressed air energy storage system

WU Jinlong; LI Jun; XING Taigao; ZHU Peiwang; XIAO Gang

doi:10.19666/j.rlfd.202306106

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Thermodynamics and economic analysis of adiabatic compressed air energy storage system

更新时间：2025-09-28

- Thermodynamics and economic analysis of adiabatic compressed air energy storage system
- Thermal Power Generation Vol. 53, Issue 2, Pages: 27-36(2024)
- 作者机构：
  
  1. 浙江省清洁能源与碳中和重点实验室
  2. 能源清洁利用全国重点实验室
  3. 浙江大学嘉兴研究院
  4. 中能建数字科技集团有限公司
  5. 湖北楚韵储能科技有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202306106
  CLC： TM91;TK02
- Published：2024
- 稿件说明：
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WU Jinlong, LI Jun, XING Taigao, et al. Thermodynamics and economic analysis of adiabatic compressed air energy storage system[J]. Thermal power generation, 2024, 53(2): 27-36.
DOI：

WU Jinlong, LI Jun, XING Taigao, et al. Thermodynamics and economic analysis of adiabatic compressed air energy storage system[J]. Thermal power generation, 2024, 53(2): 27-36. DOI： 10.19666/j.rlfd.202306106.

摘要

绝热压缩空气储能技术（A-CAES）可用于可再生能源电力的调峰、调频，是实现“双碳”目标的有效手段。为研究级数、上端差、节流阀后压力等关键参数对系统热力学效率与经济性的影响，实现最低度电成本，构建了基于MATLAB的A-CAES模型，并进行计算。结果表明：在模拟工况范围内，效率随级数、上端差的增加而降低，随节流阀后压力的增加而增加，效率最高可达70%以上；二级压缩、二级膨胀的度电成本最低，为0.0413～0.045 0美元/(kW·h)；度电成本随节流阀后压力的增大而减小；当上端差大于2.5 K时，度电成本随上端差的增大而增大。因此，A-CAES可实现高效、低成本储能。

Abstract

Adiabatic compressed air energy storage technology(A-CAES) can be used for peak shaving and frequency regulation of renewable energy electricity

which is an effective means to achieve the goal of “Dual Carbon”. In order to study the influence of key parameters such as the number of stages

hot side temperature difference

and throttling valve pressure on thermodynamic efficiency and economy of the system

and achieve the lowest levelized cost of energy(LCOE)

an A-CAES model based on MATLAB is constructed for calculation.The results show that

within the range of simulated working conditions

the efficiency decreases with the increase of the number of stages and the hot side temperature difference

while increases with the throttling valve pressure

and the highest efficiency can reach over 70%. The LCOE of the secondary compression and secondary expansion is the lowest

which is 0.041 3～0.045 0 dollars/(kW·h). The LCOE decreases with the increasing throttling valve pressure. When the hot side temperature difference is greater than 2.5 K

the LCOE increases with the hot side temperature difference. Therefore

the A-CAES can realize efficient and low-cost energy storage.

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