MODELING AND HARDWARE-IN-THE-LOOP SIMULATION RESEARCH OF PEM ELECTROLYZER CONSIDERING EFFECT OF CURRENT RIPPLE

Zhang Guichen; Zhang Yang; Zhou Jinghua; Lan Yunzheng

doi:10.19912/j.0254-0096.tynxb.2024-0630

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (8) : 255-262. DOI: 10.19912/j.0254-0096.tynxb.2024-0630

MODELING AND HARDWARE-IN-THE-LOOP SIMULATION RESEARCH OF PEM ELECTROLYZER CONSIDERING EFFECT OF CURRENT RIPPLE

Zhang Guichen¹, Zhang Yang¹, Zhou Jinghua², Lan Yunzheng¹

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Abstract

This paper constructs a dynamic mechanism model of the proton exchange membrance（PEM） electrolyzer from the perspectives of electrochemistry, thermodynamics, fluid dynamics, and electricity, describing the nonlinearity, dynamic characteristics, and coupling of internal multi-physical processes of PEM electrolyzer. Based on this, a method is proposed to split the ripple current into DC and AC components, aiming to more accurately reflect the impact of current ripple on hydrogen production efficiency. A hardware-in-the-loop simulation platform combining PEM electrolyzer and power electronic circuits is established, and ripple currents with different amplitudes and frequencies are tested. The hardware-in-the-loop simulation results are consistent with experimental data, verifying the accuracy of the model. This provides a theoretical basis and verification platform for studying the topology and control strategy of high-efficiency hydrogen production power converters.

Key words

hydrogen production by water electrolysis / PEM electrolyzer / mechanism modeling / hydrogen production efficiency / hardware-in-the-loop simulation

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Zhang Guichen, Zhang Yang, Zhou Jinghua, Lan Yunzheng. MODELING AND HARDWARE-IN-THE-LOOP SIMULATION RESEARCH OF PEM ELECTROLYZER CONSIDERING EFFECT OF CURRENT RIPPLE[J]. Acta Energiae Solaris Sinica. 2025, 46(8): 255-262 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0630

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