In order to explore the low-carbon and environmentally friendly thermal power generation technology and improve the utilization efficiency of clean energy

a power generation system consisting of Allam cycle and clean heat sources is proposed. The thermodynamic models of the main equipment in the system are established

the advantages and principles of the coupled system are explained by comparing with the reference system

and the influence of the design parameters on the system performance is studied through parametric analysis. The calculation results show that the low-grade clean heat source can effectively solve the heat imbalance problem of the Allam regenerator

thereby heating the recycling stream to a higher temperature. Under typical design parameters

the exergy efficiency of the coupled system can reach 54.07%

which is 4.01% higher than that of the reference system. The output power and exergy efficiency of the coupling system first increase and then decrease with the increment of the turbine inlet temperature. With the increase of the temperature and the mass flow rate of the clean heat source

the output power of the coupled system increases

while the exergy efficiency first increases and then decreases. The research results of this paper can provide data support and theoretical support for lowcarbon power generation technology.