Lab-Scale Investigation of the Integrated Backup/Storage System for Wind Turbines Using Alkaline Electrolyzer

Hossein Pourrahmani (), Rahim Zahedi, Sareh Daneshgar and Jan Van herle
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Hossein Pourrahmani: Group of Energy Materials (GEM), École Polytechnique Fédérale de Lausanne (EPFL), 1951 Sion, Switzerland
Rahim Zahedi: Department of Renewable Energy and Environmental Engineering, University of Tehran, Tehran 1417935840, Iran
Sareh Daneshgar: Faculty of Electrical and Computer Engineering, Tabriz University, Tabriz 5166616471, Iran
Jan Van herle: Group of Energy Materials (GEM), École Polytechnique Fédérale de Lausanne (EPFL), 1951 Sion, Switzerland

Energies, 2023, vol. 16, issue 9, 1-16

Abstract: The depletion of fossil fuel sources has encouraged the authorities to use renewable resources such as wind energy to generate electricity. A backup/storage system can improve the performance of wind turbines, due to fluctuations in power demand. The novelty of this study is to utilize a hybrid system for a wind farm, using the excess electricity generated by the wind turbines to produce hydrogen in an alkaline electrolyzer (AEL). The hydrogen storage tank stores the produced hydrogen and provides hydrogen to the proton-exchange membrane fuel cell (PEMFC) to generate electricity once the power demand is higher than the electricity generated by the wind turbines. The goal of this study is to use the wind profile of a region in Iran, namely the Cohen region, to analyze the performance of the suggested integrated system on a micro scale. The output results of this study can be used as a case study for construction in the future, based on the exact specification of NTK300 wind turbines. The results indicate that, with the minimum power supply of 30 kW from the wind turbines on a lab scale, the generated power by the PEMFC will be 1008 W, while the maximum generated hydrogen will be 304 mL/h.

Keywords: alkaline electrolyzer (AEL); proton-exchange membrane fuel cell (PEMFC); renewable resources; power curve; hybrid system; power demand (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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