Peak regulation performance study of GTCC based CHP system with compressor inlet air heating method

Xinwei Wang, Liqiang Duan and Ziqiang Zhu

Energy, 2023, vol. 262, issue PA

Abstract: Improving the peak regulation performance of GTCC (gas turbine combined cycle) based CHP (combined heating and power) system helps to increase the renewable energy consumption and increase the profit of the GTCC based CHP system. In this paper, the effects of different compressor inlet air temperatures on both key parameters and the thermal performance and economic performance of the GTCC based CHP system are studied and feasible operating regions of the GTCC based CHP system are obtained. Finally, taking the heating characteristic day as an example, peak regulation performances and profit change of the GTCC based CHP system are analyzed. The results show that the compressor inlet air heating method helps to enlarge the operation region of the GTCC based CHP system under the same output power. From the heating characteristic days of period 1 to period 4, the renewable energy consumptions of the GTCC based CHP system are increased by 252.15 MW, 380.17 MW, 300.8 MW and 239.96 MW, respectively. From the perspective of technical economic performance, the net annual revenue of the GTCC based CHP system is increased by 181.83 × 104 $. The dynamic payback period is 3.3 years.

Keywords: Gas turbine combined cycle; Combined heating and power; Peak regulation performance; Compressor inlet air heating (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:262:y:2023:i:pa:s0360544222022484

DOI: 10.1016/j.energy.2022.125366

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