Low-Carbon Economic Dispatch of an Integrated Electricity–Gas–Heat Energy System with Carbon Capture System and Organic Rankine Cycle

Junhua Xiong (), Huihang Li and Tingling Wang
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Junhua Xiong: School of Electrical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
Huihang Li: School of Electrical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
Tingling Wang: School of Electrical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450045, China

Energies, 2023, vol. 16, issue 24, 1-25

Abstract: A low-carbon economic optimization dispatch model of integrated energy system is proposed to improve the low-carbon and economic efficiency of the integrated energy systems. Firstly, the waste heat generator with the organic Rankine cycle is introduced into the combined heat and power to decouple the combined heat and power operation, and a coupled model with an organic Rankine cycle, power to gas, combined heat and power and carbon capture system is established. Then, the ladder-type carbon trading mechanism is introduced to improve the low-carbon model. Finally, the function is established to minimize the sum of energy purchase costs, operation and maintenance costs, and environmental costs. The proposed integrated energy systems’ low-carbon economic dispatch model reduces the total operating cost by 18.9% and the carbon emissions by 83.7% by setting up different models for comparative analysis.

Keywords: carbon trading; organic Rankine cycle (ORC); carbon capture and storage (CCS); power to gas (P2G); integrated energy systems (IES) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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