AN INTERLEAVED HIGH-EFFICIENCY HYDROGEN PRODUCTION CONVERTER BASED ON COUPLED INDUCTANCE

Liang Guozhuang; Xie Lei; Liu Yida; Fan Junyu; Duan Xuxing; Tian Hanlei

doi:10.19912/j.0254-0096.tynxb.2024-1877

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (2) : 790-796. DOI: 10.19912/j.0254-0096.tynxb.2024-1877

AN INTERLEAVED HIGH-EFFICIENCY HYDROGEN PRODUCTION CONVERTER BASED ON COUPLED INDUCTANCE

Liang Guozhuang¹, Xie Lei¹, Liu Yida¹, Fan Junyu², Duan Xuxing², Tian Hanlei²

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Abstract

To address the stringent power requirements of high-efficiency electrolysis-based hydrogen production systems, which demand low current ripple, high output current, and low output voltage, this paper presents a high step-down ratio interleaved DC/DC converter utilizing coupled inductors. The proposed converter incorporates a flyback capacitor structure, effectively limiting the maximum voltage stress on the power devices to half of the input voltage, thereby improving system safety and reliability. Through the implementation of time-division multiplexing with coupled inductors, the converter achieves soft-switching operation, which significantly reduces switching losses at high frequencies. Additionally, the interleaved design mitigates output current ripple, thereby enhancing dynamic performance and system stability. Simulation and experimental results corroborate that the proposed converter exhibits superior soft-switching characteristics, minimal current ripple, reduced output voltage, and satisfies the stringent power quality standards required for high-efficiency hydrogen production systems.

Key words

high gain / electrohydrogen production / voltage stress / turn-off loss / interleaved parallel connection

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Liang Guozhuang, Xie Lei, Liu Yida, Fan Junyu, Duan Xuxing, Tian Hanlei. AN INTERLEAVED HIGH-EFFICIENCY HYDROGEN PRODUCTION CONVERTER BASED ON COUPLED INDUCTANCE[J]. Acta Energiae Solaris Sinica. 2026, 47(2): 790-796 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1877

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