Research on comprehensive benefit of hydrogen storage in microgrid system

Mengshu Shi, Weiye Wang, Yaxuan Han and Yuansheng Huang

Renewable Energy, 2022, vol. 194, issue C, 621-635

Abstract: Although the installed capacity of renewable-energy power generation continues to increase in China, wind, light, and water resources are still being abandoned. In addition, the volatility of renewable-energy power generation decreases the reliability of power supply. In this study, a novel “wind–light–water–hydrogen” power system is developed by introducing hydrogen storage into a microgrid system. To optimize the reliability and economic and environmental benefits of the power system, a multi-objective operation model is established, and the twin delayed deep deterministic policy gradient algorithm (TD3) is used to optimize the model. Further, the power system with hydrogen storage is compared with a system without energy storage and a system with lithium batteries. Notably, the hydrogen energy storage system affords stable power supply and maximum renewable energy consumption and are thus more desirable than lithium batteries. Furthermore, the economic benefits can be increased through the sale of hydrogen and waste-heat recovery and the consumption of surplus hydrogen in transportation, which can also help reduce carbon emissions.

Keywords: Hydrogen; Microgrid; Carbon neutrality; Lithium battery (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:194:y:2022:i:c:p:621-635

DOI: 10.1016/j.renene.2022.05.125

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