Working characteristics of micro compressed air energy storage system

WEI Junying; WANG Peng; WANG Jidai; CAO Xueping; XIAO Xiankun; JIANG Zheng

doi:10.19666/j.rlfd.201807151

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Working characteristics of micro compressed air energy storage system

Thermal Power Generation Vol. 48, Issue 3, Pages: 28-34(2019)

更新时间：2025-09-28

- Working characteristics of micro compressed air energy storage system
- 作者机构：
  
  山东科技大学机械电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.201807151
  CLC： TK02
- Published Online：26 February 2019，
  
  Published：2019
- 稿件说明：
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WEI Junying, WANG Peng, WANG Jidai, et al. Working characteristics of micro compressed air energy storage system[J]. Thermal Power Generation, 2019, 48(3): 28-34.
DOI：

WEI Junying, WANG Peng, WANG Jidai, et al. Working characteristics of micro compressed air energy storage system[J]. Thermal Power Generation, 2019, 48(3): 28-34. DOI： 10.19666/j.rlfd.201807151.

摘要

为了探究微型压缩空气储能的工作特性

本文通过分析微型压缩空气储能系统的工作过程及原理

运用?分析法建立了系统储能过程、释能过程理论分析模型

并建立了系统?效率的评价模型;运用Aspen Plus软件建立系统储能子系统、释能子系统的流程仿真模型

分析了膨胀机入口压力、膨胀初始温度、系统流量等因素对膨胀机工作特性、系统效率的影响。仿真结果表明:增加入口压力、膨胀初始温度、系统流量和膨胀比能够有效地增加系统输出轴功;膨胀比以及膨胀初始温度越高

系统效率越高

但增长速度减缓

系统流量对系统效率几乎没有影响。本文建立的微型压缩空气储能系统热力学分析模型以及仿真结果能够正确反映关键输入参数对膨胀机输出特性的影响规律

可为设计高效微型压缩空气储能系统提供理论依据。

Abstract

By analyzing working process and principle of the miniature compressed air energy storage system

exergy analysis method was applied to establish a theoretical analysis model for energy storage process and energy release process. Moreover

an evaluation model of the exergy efficiency of the system was build up. The process simulation model of energy storage subsystem and energy release subsystem was established by using the Aspen Plus software

and the effects of inlet pressure

initial expansion temperature

system flow rate and other factors on performance of the expander and the system efficiency were analyzed. The simulation results show that

increasing the inlet pressure

initial expansion temperature

system flow rate and expansion ratio can effectively increase the output shaft work of the system. The higher the expansion ratio and the initial expansion temperature

the higher the efficiency of the system

but the slower the growth rate. The system flow rate has little effect on the system efficiency. The above thermodynamic analysis model of micro compressed air energy storage system and simulation results can correctly reflect the influence law of key input parameters on the output characteristics of the expander

which can provide a theoretical basis for design of efficient micro compressed air energy storage systems.

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