Abstract
Hydrogen production using renewable energy is an important way to promote new energy power consumption and achieve zero carbon emissions. Compared with the traditional grid-tied water electrolysis, off-grid photovoltaic water electrolysis has the advantages of low cost and flexible deployment. The applicability of three kinds of hydrogen production electrolyzers in combination with renewable energy was investigated. The structure of off-grid hydrogen production system based on alkaline electrolysis water hydrogen production equipment is emphatically expounded. The design methods of photovoltaic DC power supply unit, hydrogen production auxiliary system AC power supply unit and the power supply for control unit of electrolyzer are discussed. The design schemes of capacity allocation of energy storage and the reliable power supply of dual backup are proposed as a technical reference for off-grid photovoltaic hydrogen production systems.
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Acknowledgments
This research is supported by Qinghai Science and Technology Project “Key Technologies for Renewable Energy and Energy Storage Integration Applications (ID, 2019-GX-A9)”, National Key R&D Program Intergovernmental International Science and Technology Innovation Cooperation Project “Sino-US Green Community DC Microgrid Technology Cooperation Research and Demonstration (ID, 2019YFE0120200)” and “Regional key projects of the Science and Technology Service Network Program (STS Program) of the Chinese Academy of Sciences (ID, KFJ-STS-QYZD-2021-02-005)”.
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Zhao, Y., Lei, M., Chen, Y., Hou, Y., Chen, Z., Wang, Y. (2023). Discussion on Key Components Design for Off-Grid Photovoltaic Electrolysis Hydrogen Production System. In: Sun, F., Yang, Q., Dahlquist, E., Xiong, R. (eds) The Proceedings of the 5th International Conference on Energy Storage and Intelligent Vehicles (ICEIV 2022). ICEIV 2022. Lecture Notes in Electrical Engineering, vol 1016. Springer, Singapore. https://doi.org/10.1007/978-981-99-1027-4_38
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DOI: https://doi.org/10.1007/978-981-99-1027-4_38
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