Thermodynamic performance analyses and optimization design method of a novel distributed energy system coupled with hybrid-energy storage

Jiacheng Guo, Zhijian Liu, Ying Li, Di Wu, Xuan Liu, Shicong Zhang, Xinyan Yang, Hua Ge and Peiwen Zhang

Renewable Energy, 2022, vol. 182, issue C, 1182-1200

Abstract: Several studies have novel distributed energy systems combining solar energy utilization and hybrid energy storage technology. However, the research on thermodynamic performance and optimization design of the novel system is still insufficient. Therefore, a novel distributed energy system uses a jacket water heat exchanger and a waste heat boiler to recover the waste heat of the internal combustion engine in turn and shares a water tank with the solar thermal collector in parallel. Then, the influence of different parameters on the thermodynamic performance of the system under variable working conditions is analyzed by the parametric analysis method. On this basis, an optimization design method considering the thermodynamic and economic performance of the novel system is proposed. The novel system is applied to a nearly zero-energy community with an electric vehicle charge load. The results show that the exergy efficiency, primary energy rate, and cost per unit supply area of the novel system in a typical year are 19.2%, 70.1%, and 5.4 $/m2, respectively. Therefore, the novel system is reliable and feasible in providing all kinds of energy to users.

Keywords: Distributed energy system; Solar energy utilization; Exergy efficiency; Primary energy rate; Multi-scenario analysis; Nearly zero-energy community (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:182:y:2022:i:c:p:1182-1200

DOI: 10.1016/j.renene.2021.11.035

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