OPERATING STATE ROTATION CONTROL STRATEGY FOR MULTI-MODE HYBRID ELECTROLYZER CLUSTERS

Tan Qingshan; Li Ke; Zhang Heng; Yu Yi; Zeng Longquan; He Wei

doi:10.19912/j.0254-0096.tynxb.2024-1469

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (1) : 1-10. DOI: 10.19912/j.0254-0096.tynxb.2024-1469

OPERATING STATE ROTATION CONTROL STRATEGY FOR MULTI-MODE HYBRID ELECTROLYZER CLUSTERS

Tan Qingshan¹, Li Ke^1,2, Zhang Heng², Yu Yi^1,2, Zeng Longquan¹, He Wei²

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Abstract

To improve electrolyzers’ dynamic operating stability and hydrogen production efficiency, a multi-mode hybrid electrolyzer cluster operating state rotation control strategy is proposed. By analyzing the relationship between electrolyzers’ hydrogen production power and efficiency, as well as their load range and start-stop duration, six operation states under three modes are defined. Based on the dynamic response differences between proton exchange membrane electrolyzers and alkaline electrolyzers, a power matching mechanism for complex operationg conditions is designed to realize coordinated scheduling and flexible switching of hybrid electrolyzers. Simulation results show that compared with the traditional sequential start-stop strategy, the proposed strategy increases hydrogen production by 11.27% under the same input power, and reduces the standard deviation and coefficient of variation of rated-state operating duration by 27.71 min and 47.04, respectively, enhancing both efficiency and stability.

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renewable energy / alkaline electrolyzer / proton exchange membrane electrolyzer / hydrogen production / operating states / matching mechanism

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Tan Qingshan, Li Ke, Zhang Heng, Yu Yi, Zeng Longquan, He Wei. OPERATING STATE ROTATION CONTROL STRATEGY FOR MULTI-MODE HYBRID ELECTROLYZER CLUSTERS[J]. Acta Energiae Solaris Sinica. 2026, 47(1): 1-10 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1469

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