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Performance Analysis of Adiabatic Compressed Air Heat storage and Solar Hybrid System

In this paper, based on adiabatic compressed air heat storage (ACAES), we proposed an adiabatic compressed air heat storage with solar hybrid system (ACAES-CSP), which takes heat storage as lowtemperature heat source, solar energy as high-temperature heat source. ACAES can improve the disadvantages of instability and intermittent of solar power generation, and CSP can increase the parameters of ACAES, overall, the two systems make up the shortages of each other and can generate power efficiently. Compared with ACAES, the power of ACAES-CSP has increased, and its total efficiency is 62.16%, which is slightly less than ACAES’s; the electricity storage efficiency of ACAES-CSP reaches 70.24%, which has increased by 2% compared with that of ACAES; the exergy efficiency of ACAES-CSP reaches 66.54%, which is lower than that of ACAES by 1.6%. This paper has a certain reference value for the combination and development of heat storage and renewable energy.