A New Energy Storage System Coupled with Compressed Air and Pumped-Hydro Energy Storage and Related Thermodynamic Analysis

被引：0

作者：

Li C. ^{[1
]}

He X. ^{[1
]}

Tao F. ^{[1
]}

Wang H. ^{[1
]}

机构：

[1] School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an

来源：

Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University | 2022年 / 56卷 / 04期

关键词：

Compressed air energy storage system; Pumped-hydro energy storage; Renewable energy; Thermodynamic analysis;

D O I：

10.7652/xjtuxb202204005

中图分类号：

学科分类号：

摘要：

The subject in this paper is a new energy storage system coupled with compressed air and pumped-hydro energy storage, including the compressed air energy storage (CAES) part and pumped-hydro compressed air (PHCA) part. With this new energy storage system, graded utilization of pressure energy could be realized, and the operating conditions of the two parts could be improved. It has high electricity-electricity conversion efficiency, and provides new ways for the utilization of shallow waste tunnels and caves. For its structural characteristics, we performed thermodynamic analysis first, and the result shows that the new system is with electricity-electricity conversion efficiency of 53.82%, and energy conversion efficiency of 41.06%; The PHCA part has higher efficiency and the CAES part has higher capacity and energy density; Then, we performed exergy analysis on the CAES part with complex energy flow, and the result shows that the main input energy of the CAES part is from the compressor (76.05%), and the maximum loss occurs in the throttling (23.33%) of the high pressure air storage space and the heat storage (22.90%) process of the accumulator; Finally, we performed a sensitivity analysis on the system, and the result shows that increasing the pressure difference between the two storage spaces and the reheat temperature can improve the performance of the system, among which increasing the reheat temperature contributes the most. The electricity-electricity conversion efficiency of the system could be up to 77%. © 2022, Editorial Office of Journal of Xi'an Jiaotong University. All right reserved.

引用

页码：40 / 49and71

页数：4931

共 27 条

[1] TAN Zhongfu, JU Liwei, Review of China's wind power development: history, current status, trends and policy, Journal of North China Electric Power University (Social Sciences), 2, pp. 1-7, (2013)
[2] LIU Wen, LUND H, MATHIESEN B V., Large-scale integration of wind power into the existing Chinese energy system, Energy, 36, 8, pp. 4753-4760, (2011)
[3] BUDT M, WOLF D, SPAN R, Et al., A review on compressed air energy storage: basic principles, past milestones and recent developments, Applied Energy, 170, pp. 250-268, (2016)
[4] KONG Yigang, KONG Zhigang, LIU Zhiqi, Et al., Pumped storage power stations in China: the past, the present, and the future, Renewable and Sustainable Energy Reviews, 71, pp. 720-731, (2017)
[5] WANG Huanran, WANG Liqin, WANG Xinbing, Et al., A novel pumped hydro combined with compressed air energy storage system, Energies, 6, 3, pp. 1554-1567, (2013)
[6] YAO Erren, WANG Huanran, LIU Long, Et al., A novel constant-pressure pumped hydro combined with compressed air energy storage system, Energies, 8, 1, pp. 154-171, (2015)
[7] LI Chengchen, LI Yufeng, ZHANG Yan, Et al., Novel steam constant-pressure pumped hydro with compressed air energy storage system and thermodynamic analysis, Journal of Xi'an Jiaotong University, 55, 6, pp. 84-91, (2021)
[8] YAO Erren, WANG Huanran, XI Guang, A novel combined cooling heating and power system with coupled compressed air energy storage and combustion engine, Journal of Xi'an Jiaotong University, 50, 1, pp. 22-27, (2016)
[9] YAO Erren, WANG Huanran, WANG Ligang, Et al., Thermo-economic optimization of a combined cooling, heating and power system based on small-scale compressed air energy storage, Energy Conversion and Management, 118, pp. 377-386, (2016)
[10] KIM Y M, SHIN D G, FAVRAT D., Operating characteristics of constant-pressure compressed air energy storage (CAES) system combined with pumped hydro storage based on energy and exergy analysis, Energy, 36, 10, pp. 6220-6233, (2011)

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