Performance analysis of a novel medium temperature compressed air energy storage system based on inverter-driven compressor pressure regulation

被引:0
|
作者
Li, Yanghai [1 ]
Xu, Wanbing [1 ]
Zhang, Ming [1 ]
Zhang, Chunlin [2 ]
Yang, Tao [3 ]
Ding, Hongyu [3 ]
Zhang, Lei [4 ]
机构
[1] State Grid Hubei Elect Power Testing Res Inst, Wuhan 330077, Peoples R China
[2] China Energy Digital Technol Grp Co Ltd, Beijing 100044, Peoples R China
[3] Huazhong Univ Sci & Technol, Sch Energy & Power Engn, Wuhan 430074, Peoples R China
[4] Natl Inst Clean and Low Carbon Energy, Beijing 102211, Peoples R China
关键词
adiabatic compressed air energy storage; throttle valve exergy loss; performance analysis; inverter-driven compressor; THERMODYNAMIC ANALYSIS; OPTIMIZATION;
D O I
10.1007/s11708-024-0921-0
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
In compressed air energy storage systems, throttle valves that are used to stabilize the air storage equipment pressure can cause significant exergy losses, which can be effectively improved by adopting inverter-driven technology. In this paper, a novel scheme for a compressed air energy storage system is proposed to realize pressure regulation by adopting an inverter-driven compressor. The system proposed and a reference system are evaluated through exergy analysis, dynamic characteristics analysis, and various other assessments. A comprehensive performance analysis is conducted based on key parameters such as thermal storage temperature, component isentropic efficiency, and designated discharge pressure. The results show that the novel system achieves a relative improvement of 3.64% in round-trip efficiency, demonstrating its capability to enhance efficiency without significantly increasing system complexity. Therefore, the system proposed offers a viable solution for optimizing compressed air energy storage systems.
引用
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页数:13
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