System Simulation Modeling and Variable Operating Condition Analysis of Compressors for Compressed Air Energy Storage System

ZHAO Feng; CHEN Yilun; HAO Ning; LIU Chuanliang

doi:10.19805/j.cnki.jcspe.2026.240684

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System Simulation Modeling and Variable Operating Condition Analysis of Compressors for Compressed Air Energy Storage System

更新时间：2026-07-16

- System Simulation Modeling and Variable Operating Condition Analysis of Compressors for Compressed Air Energy Storage System
- Chinese Journal of Power Engineering Vol. 46, Issue 7, Pages: 61-68,95(2026)
- 作者机构：
- 作者简介：
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- DOI：10.19805/j.cnki.jcspe.2026.240684
  CLC： TH45
- Published：2026
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赵峰, 陈逸伦, 郝宁, 刘传亮. 压缩空气储能系统的压缩机仿真建模与变工况分析[J]. 动力工程学报, 2026, 46(7): 61-68,95.
赵峰, 陈逸伦, 郝宁, 刘传亮. 压缩空气储能系统的压缩机仿真建模与变工况分析[J]. 动力工程学报, 2026, 46(7): 61-68,95. DOI： 10.19805/j.cnki.jcspe.2026.240684.

DOI： 10.19805/j.cnki.jcspe.2026.240684

摘要

针对压缩空气储能系统的储能过程

通过多学科实时仿真建模与求解

运用β函数法对压缩机外特性进行建模

并将其纳入实时仿真模块。在此基础上

分析了充气过程中机组典型参数的变化规律

同时针对进气温度对机组储能性能的影响进行了详细分析。结果表明:所建立的压缩空气储能压缩机模型稳态计算压比相对偏差小于1%

动态仿真满足需求;耦合控制模型后

可以获得压缩机组启动、变负荷等动态工作过程中的关键参数变化规律

当第4段压缩机并入后

对前3段压缩机的压力扰动逐渐减小

对第1段压缩机扰动最大;当进气温度升高后

压缩机组由于温度保护作用

使得储能过程不能满足设计指标

充气流量仅为设计工况的60%;通过提前并入第4段压缩机来提高机组整体储气性能是一种可行方案

提前并入后

气库最终压力比设计工况降低了3.46%。

Abstract

For the energy storage process of compressed air energy storage systems

based on multi-disciplinary real-time simulation modeling and solution

β function method was utilized to model the external characteristics of the compressor

and the model was incorporated into the real-time simulation module. Based on this

the variation patterns of typical parameters of the unit during the inflation process were analyzed. Meanwhile

detailed analyses were conducted on the influence of intake temperature on the energy storage performance of the unit. Results show that the relative deviation of the steady-state calculated pressure ratio of the established compressed air energy storage compressor model is less than 1%

fulfilling the requirements for dynamic simulation. After being coupled with the control model

the variation patterns of key parameters during dynamic working processes such as the start-up and load variation of the compressor unit can be obtained. When the fourth compressor is integrated

the pressure disturbance to the first three compressors gradually decreases

with the disturbance to the first compressor being the greatest. When the intake temperature rises

due to temperature protection

the energy storage process of the compressor unit fails to meet the design specifications

and the charging flow rate is only 60% of that under design condition. Early integration of the fourth compressor is a feasible approach to enhance its overall gas storage performance

after early integration

the final pressure of the gas storage is 3.46% lower than that under design condition.

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references

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