热力发电2024,Vol.53Issue(9):39-47,9.DOI:10.19666/j.rlfd.202404070
微型绝热压缩空气储能系统热力学建模与性能分析
Thermodynamic modeling and performance analysis for micro adiabatic compressed air energy storage system
摘要
Abstract
The arrangement of micro adiabatic compressed air energy storage(A-CAES)system is flexible and suitable for typical distributed energy systems.By accurately modelling a typical device of the miniature A-CAES system based on pneumatic motors,a thermodynamic model that can reflect its system performance is constructed.The experimental bench of the A-CAES system is built,and the average error rate between the simulation model and the experiment is around 5.38%,which verifies the reliability of the model.The round-trip efficiency and comprehensive efficiency of the system are 4.81%and 27.23%,respectively,verifying the necessity of the existence of thermal energy storage devices in the A-CAES system.The effects of compression level and compression ratio on the system performance are analyzed by using this model.The results show that,as the compression level increases,the round-trip efficiency and comprehensive efficiency of the system both increase,and the optimal efficiency of the system can reach 6.10%and 35.81%,respectively.Taking the combination of compression ratios of 2,3,and 5 as an example,reasonable distribution of compression ratios can improve the round-trip efficiency and overall efficiency of the system by 1.27%and 4.38%,respectively.关键词
微型/绝热压缩空气储能/热力学建模/效率Key words
micro/adiabatic compressed air energy storage/thermodynamic modeling/efficiency引用本文复制引用
张梦洁,刘强,张彤赫,宋永兴,张林华..微型绝热压缩空气储能系统热力学建模与性能分析[J].热力发电,2024,53(9):39-47,9.基金项目
压缩机技术国家重点实验室(压缩机技术安徽省实验室)开放基金项目(SKL-YSJ202108) (压缩机技术安徽省实验室)
山东省自然科学基金(ZR2021QE157) Open Fund Project of State Key Laboratory of Compressor Technology(Anhui Provincial Laboratory of Compressor Technology)(SKL-YSJ202108) (ZR2021QE157)
Shandong Provincial Natural Science Foundation(ZR2021QE157) (ZR2021QE157)