Optimal dispatch of integrated energy station considering carbon capture and hydrogen demand

Shouxiang Wang, Shaomin Wang, Qianyu Zhao, Shuai Dong and Hao Li

Energy, 2023, vol. 269, issue C

Abstract: To respond to the escalating contradiction between improving economy and reducing carbon emissions, a low-carbon optimal dispatch model of integrated energy station (IES) considering carbon capture and hydrogen demand is proposed. First, a wind-photovoltaic-hydrogen power (WPHP) integration model is built, giving an effective way of renewable energy accommodating and reliable hydrogen supplying of IES. The WPHP significantly improves system economy and decreases the renewable energy curtailment, especially with a high proportion integrated; Then, a coupling model of carbon capture system (CCS) and power-to-gas (P2G) is built. The model resolves the problem of carbon source of P2G and reduces the carbon net emissions, changing the carbon trading cost from expenditure to profit; Next, an integrated demand response (IDR) model is built covering electricity, gas, cooling, hydrogen load as well as the heating load with different heat grade requirements. The IDR further improves multi-energy users' satisfaction, the economy and stability of IES by decreasing the peak-valley difference and increasing load ratio of multi-energy loads. Finally, an optimal dispatch model of IES is built with the objective of minimizing the cost of economic, carbon emission trading and users’ dissatisfaction, and the effectiveness of the model is verified by a numerical example.

Keywords: Integrated energy station; Low-carbon optimal dispatch; Integrated demand response; Carbon capture; Hydrogen demand; Renewable energy accommodating (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (15)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:269:y:2023:i:c:s0360544223003754

DOI: 10.1016/j.energy.2023.126981

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