CAES释能过程多工况动态仿真及效率分析  

Dynamic Simulation and Efficiency Analysis of Energy Release Process in Compressed Air Energy Storage Under Multi Conditions

作　　者：陈辉 李文[1,2] 盛勇 王星[1] 陈海生[1,2] 朱阳历[1] CHEN Hui;LI Wen;SHENG Yong;WANG Xing;CHEN Haisheng;ZHU Yangli(Institute of Engineering Thermophysics,Chinese Academy of Sciences,Beijing 100190,China;School of Engineering Sciences,University of Chinese Academy of Sciences,Beijing 100049,China)

机构地区：[1]中国科学院工程热物理研究所,北京100190 [2]中国科学院大学工程科学学院,北京100049

出　　处：《动力工程学报》2023年第7期869-876,892,共9页Journal of Chinese Society of Power Engineering

基　　金：国家自然科学基金资助项目(51925604、51976218);中国科学院国际合作局国际伙伴计划资助项目(182211KYSB20170029)。

摘　　要：研究了CAES释能过程各部件的数学模型及控制逻辑,基于MATLAB/Simulink平台建立了CAES释能过程的动态仿真模型。利用该模型对启动过程、准同期并网过程、变工况过程进行仿真。在此基础上,分析了多种工况下运行参数及效率的变化规律。结果表明:在200~300 kW功率范围内,膨胀机等熵效率变化范围为75%~88%,?效率变化范围区间为73%~84%。The mathematical model and control logic of energy release process in compressed air energy storage(CAES)were studied.The dynamic simulation model of CAES energy release process was established using MATLAB/Simulink platform for the simulation of start-up process,quasi-synchronized grid connection process and off-design condition process.The variation of operating parameters and efficiency under multi conditions were analyzed.Results show that within the power range of 200-300 kW,the expander efficiency is in the range of 75%-88%,and the exergy efficiency is in the range of 73%-84%.

关 键 词：压缩空气储能 变工况 控制策略 效率 

分 类 号：TK123[动力工程及工程热物理—工程热物理]