Performance Analysis of Compressed Air Energy Storage System Coupled with Heat Pump

LIU Xu; SHI Zhijie; LIU Jian; ZHANG Qian

doi:10.19805/j.cnki.jcspe.2025.240064

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Performance Analysis of Compressed Air Energy Storage System Coupled with Heat Pump

更新时间：2026-01-27

- Performance Analysis of Compressed Air Energy Storage System Coupled with Heat Pump
- Chinese Journal of Power Engineering Vol. 45, Issue 4, Pages: 563-570(2025)
- 作者机构：
  
  1. 华北电力大学动力工程系,河北,保定,071003
  2. 华北电力大学河北省低碳高效发电技术重点实验室,河北,保定,071003
  3. 中国电建集团河北省电力勘测设计研究院有限公司,河北,石家庄,050031
  4. 河北省电力勘测设计技术创新中心,河北,石家庄,050031
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2025.240064
  CLC： TK02
- Published Online：28 April 2025，
  
  Published：2025
- 稿件说明：
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刘旭,史志杰,刘健,张倩. 耦合热泵的压缩空气储能系统性能分析动力工程学报, 2025, 45(4): 563-570 https://doi.

org/10.19805/j.cnki.jcspe.2025.240064
刘旭,史志杰,刘健,张倩. 耦合热泵的压缩空气储能系统性能分析动力工程学报, 2025, 45(4): 563-570 https://doi. DOI： 10.19805/j.cnki.jcspe.2025.240064.

org/10.19805/j.cnki.jcspe.2025.240064 DOI：

摘要

为解决先进绝热压缩空气储能末级膨胀机排气余热浪费问题并提高系统效率

提出一种耦合热泵的压缩空气储能系统。选用某120 MW先进绝热压缩空气储能项目为研究对象

基于THERMOFLEX软件进行仿真模拟

对新型耦合系统进行了能量分析和分析

随后研究了环境温度和导热油初温对耦合系统性能的影响。结果表明:通过热泵系统可以充分利用压缩空气储能系统末级膨胀机排气余热

同时为热用户提供热水;与原系统相比

耦合系统的能量效率提高了3.75个百分点

效率提高了2.38个百分点;损失明显较大的部件是油气换热器1和油气换热器2;低环境温度及低导热油初温有利于系统储能性能的提高。

Abstract

In order to solve the problem of waste heat from the exhaust of the advanced adiabatic compressed air energy storage final stage expander and improve the efficiency of the system

a compressed air energy storage system coupled with a heat pump was proposed. A 120 MW advanced adiabatic compressed air energy storage project was selected as the research object

and a simulation was conducted by using THERMOFLEX software

so as to carry out the energy analysis and exergy analysis of the new coupling system. Subsequently

the influence of environmental temperature and initial temperature of thermal oil on the performance of the coupling system was studied. Results show that the heat pump system can fully utilize the exhaust heat from the final stage expander of the compressed air energy storage system

while providing hot water for heat users. Compared with the original compressed air energy storage system

the energy efficiency of the coupling system is increased by 3.75 percentage points

and the exergetic efficiency is increased by 2.38 percentage points. The components with significant exergy destruction are in No.1 and No.2 oil-gas heat exchangers. Low ambient temperature and low initial temperature of thermal oil are beneficial to improving the energy storage performance of the system.

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