ROLLING OPTIMIZATION STRATEGY OF HYBRID ELECTROLYZERS ARRAY BASED ON ADAPTIVE STATE SWITCHING

Hu Yafeng; Zhao Xi; Yang Wenlong; Zhu Wenchao; Xie Changjun

doi:10.19912/j.0254-0096.tynxb.2024-1429

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (6) : 99-109. DOI: 10.19912/j.0254-0096.tynxb.2024-1429

Special Topics of Academic Papers at the 27th Annual Meeting of the China Association for Science and Technology

ROLLING OPTIMIZATION STRATEGY OF HYBRID ELECTROLYZERS ARRAY BASED ON ADAPTIVE STATE SWITCHING

Hu Yafeng¹, Zhao Xi¹, Yang Wenlong², Zhu Wenchao³, Xie Changjun¹

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Abstract

To enhance the compatibility between hydrogen production systems and wind power, a rolling optimization strategy for a hybrid electrolyzers array, based on adaptive state switching, is proposed to address the power distribution challenges in hybrid hydrogen production systems comprising alkaline electrolyzers and proton exchange membrane electrolyzers. The performance of the hybrid system is compared to that of a single electrolyzers system under a basic start-stop strategy and a conventional rolling optimization approach. The results indicate that the efficiency of the hybrid system improved by 2.81 and 5.92 percentage point, respectively. Furthermore, three distinct strategies are applied to the hybrid hydrogen production system for comparative analysis. The findings reveal that the newly proposed hybrid electrolyzers array rolling optimization strategy, based on adaptive state switching, achieves a more balanced load distribution among electrolyzers, leading to a 4.57 percentage point increase in system efficiency compared to the simple start-stop strategy. Additionally, daily hydrogen production increases by 0.354 tons （16.40%）. The average electrolyzer utilization rate is improved by 18.82 percentage point, while wind energy utilization rate is increased by 13.71 percentage point.

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wind power / hydrogen production / electrolytic cells / power distribution / hybrid hydrogen production system / adaptive state switching / rolling optimization

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Hu Yafeng, Zhao Xi, Yang Wenlong, Zhu Wenchao, Xie Changjun. ROLLING OPTIMIZATION STRATEGY OF HYBRID ELECTROLYZERS ARRAY BASED ON ADAPTIVE STATE SWITCHING[J]. Acta Energiae Solaris Sinica. 2025, 46(6): 99-109 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1429

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