西安交通大学能源与动力工程学院,710049,西安
云南省能源投资集团有限公司,650032,昆明
中国能源建设集团云南省电力设计院有限公司,650051,昆明
作者简介:姚尔人(1989—),男,副教授;
席光(通信作者),男,教授,博士生导师。
收稿:2025-09-04,
纸质出版:2026-05-10
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姚尔人, 席光, 仲理科, 等. 350 MW级先进绝热压缩空气储能系统动态特性研究[J]. 西安交通大学学报, 2026,60(5):1-11.
YAO Erren, XI Guang, ZHONG Like, et al. Study on Dynamic Characteristics Analysis of 350 MW-Scale Advanced Adiabatic Compressed Air Energy Storage System[J]. Journal of Xi'an Jiaotong University, 2026, 60(5): 1-11.
姚尔人, 席光, 仲理科, 等. 350 MW级先进绝热压缩空气储能系统动态特性研究[J]. 西安交通大学学报, 2026,60(5):1-11. DOI: 10.7652/xjtuxb202605001.
YAO Erren, XI Guang, ZHONG Like, et al. Study on Dynamic Characteristics Analysis of 350 MW-Scale Advanced Adiabatic Compressed Air Energy Storage System[J]. Journal of Xi'an Jiaotong University, 2026, 60(5): 1-11. DOI: 10.7652/xjtuxb202605001.
针对压缩空气储能系统高效经济运行面临的热压高效转化与有限储气装置容积充分利用的挑战,以350 MW级先进绝热压缩空气储能系统为研究对象,引入滑压补气运行策略,降低释能过程节流损失,进而提升系统性能与储能密度,通过将系统分为储能段、释能段和系统整体3个层面,建立系统内各设备的全工况热力学计算模型,研究了不同运行模式与运行策略下系统压比、膨胀比、功率等关键参数在全运行工况域内的动态运行特性。结果表明:压缩机和膨胀机在偏离设计点运行时,压缩机后段和膨胀机后段的热力参量变化幅度均高于对应前段机组;随着滑压补气点压力的升高,系统的运行时间和能量效率均逐渐升高,表明滑压补气运行策略能够充分利用有限储气装置空间,并有效提升系统的储能密度;通过对比系统在不同运行策略下实现电力满发的热力参量动态运行特性,发现节流-滑压补气运行策略较全节流运行策略最高能够提升系统能量效率1.43%。研究结果可为350 MW级先进绝热压缩空气储能系统在工程应用中的全工况运行调控提供理论支撑。
To address the challenges of efficient heat-pressure conversion and full utilization of limited gas storage capacity in compressed air energy storage (CAES) systems for high-efficiency and economical operation
this study focuses on a 350 MW advanced adiabatic compressed air energy storage (AA-CAES) system. A sliding-pressure gas replenishment operation strategy was introduced to reduce throttling losses during the energy release process
thereby enhancing the overall energy storage density of the system. By dividing the system into three levels—the energy storage segment
the energy release segment
and the overall system—full-load thermodynamic calculation models for each component within the system were established. The dynamic operational characteristics of key parameters such as pressure ratio
expansion ratio
and power under different modes and operation strategies across the entire operating range were investigated. The results show that when compressor units and turbine units operate away from their design points
the variations in thermodynamic parameters in the later stages of both compressor and turbine units are more significant than those in the corresponding earlier stages. As the pressure at the sliding-pressure gas replenishment point increases
both the system's operating time and energy efficiency gradually improve
indicating that the sliding-pressure gas replenishment strategy can fully utilize the limited gas storage capacity and effectively enhance the system's energy storage density. A comparison of the dynamic operational characteristics of thermodynamic parameters under different strategies for achieving full power generation indicates that the throttling-slidingpressure gas replenishment strategy can improve the system's energy efficiency by up to 1.43% over the full-throttling strategy. The findings provide theoretical support for the full-load operational regulation of 350 MW advanced AA-CAES systems in engineering applications.
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