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• W4321439064 endingPage "123439" @default.
• W4321439064 startingPage "123439" @default.
• W4321439064 abstract "The world is rich in renewable energy, and wind power generation accounts for a large proportion of renewable energy generation. The coupling of hydrogen energy and wind power generation will effectively solve the problem of energy surplus. In this study, a simulation model of a wind-hydrogen coupled energy storage power generation system (WHPG) is established. The effects of different operating temperatures on the hydrogen production and electricity consumption of alkaline electrolyzer, and on the electricity generation and hydrogen consumption of the fuel cell are studied. The suitable operating temperatures of the electrolyzer and fuel cell are determined. The energy management strategy of the coupled system is proposed considering the operating characteristics of the electrolyzer, fuel cell and hydrogen storage tank. Finally the economics of hydrogen energy storage systems are analyzed. The study shows that: (1) At the various operating temperatures, the maximum difference the electrolyzer is at 40 °C and 100 °C electrolyzer reduces electricity consumption by 0.26% and increases hydrogen production by 3.7%. (2) At different operating temperatures, the maximum difference the electrolyzer is at 30 °C and 100 °C. Fuel cell increases electricity production by 30.2% and reduces hydrogen consumption by 14.4%. (3) When the users’ demand for electricity is the same, the uncoupled system 1-hour surplus electricity is about 19.5 times the coupled system 1-hour surplus electricity, the uncoupled system 1-hour deficit electricity is about 1.54 times the coupled system 1-hour deficit electricity. (4) The hydrogen storage system has a net present value of 2347,681 ¥, a dynamic payback period of 15.3 a and an internal rate of return of 11%, the coupled system has a better economics. The WHPG improves wind power utilization and power supply stability." @default.
• W4321439064 created "2023-02-22" @default.
• W4321439064 creator A5011070154 @default.
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• W4321439064 date "2023-05-01" @default.
• W4321439064 modified "2023-10-16" @default.
• W4321439064 title "Research on energy utilization of wind-hydrogen coupled energy storage power generation system" @default.
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• W4321439064 doi "https://doi.org/10.1016/j.seppur.2023.123439" @default.
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