Integrated energy systems with CCHP and hydrogen supply: A new outlet for curtailed wind power

Nan Li, Xunwen Zhao, Xunpeng Shi, Zhenwei Pei, Hailin Mu and Farhad Taghizadeh-Hesary ()

Applied Energy, 2021, vol. 303, issue C, No S0306261921009880

Abstract: The present energy system faces at least two challenges. For one thing, the power system’s stability is challenged by the increasing penetration of variable renewable energies, especially wind power, due to its fluctuation and intermittency. For the other, the transport sector is facing enormous difficulty to decarbonize. This paper proposes a new energy system that integrates the hydrogen production and distribution system to the combined cooling, heating and power (CCHP) system with significant wind power to solve these two challenges simultaneously. The new energy system can meet the energy needs of the building. At the same time, the wind power utilization rate reaches 92.6%, and the typical daily hydrogen production capacity in winter, transition season and summer is 500 kg, 500 kg and 266 kg, respectively. The system’s energy efficiency is 72%, and the energy of the system is utilized efficiently. By comparison, the new system can reduce costs and carbon dioxide emissions, save primary energy, and effectively improve energy efficiency.

Keywords: Hydrogen production; CCHP system; Wind power utilization; Integrated energy systems (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (21)

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DOI: 10.1016/j.apenergy.2021.117619

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