STABILITY STUDY OF WATER ELECTROLYSIS HYDROGEN PRODUCTION CONVERTER CONNECTED TO WEAK GRID

Jing Yanwei; Mei Chunxiao; Tan Jianxin; Zhang Lei; Zhang Yibo

doi:10.19912/j.0254-0096.tynxb.2022-1877

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (5) : 267-275. DOI: 10.19912/j.0254-0096.tynxb.2022-1877

STABILITY STUDY OF WATER ELECTROLYSIS HYDROGEN PRODUCTION CONVERTER CONNECTED TO WEAK GRID

Jing Yanwei¹, Mei Chunxiao¹, Tan Jianxin¹, Zhang Lei², Zhang Yibo³

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Abstract

Hydrogen production via wind energy and photovoltaics represents an emerging research frontier aimed at integrating novel energy consumption methodologies with hydrogen generation. The presence of a renewable weak grid contributes to system instability. The stability of large-scale renewable energy hydrogen production systems interconnected with a weak grid is focused. The modeling and control of a hydrogen production converter employing a three-level topology is established. The system’s stability is influenced by factors such as phase-locked loop （PLL） parameters, the bandwidth of the AC current loop, and LCL filter parameters. To ascertain the impact of various control parameters on stability, a weak grid platform featuring a 2 MW hydrogen production converter was developed in a laboratory setting. The empirical findings corroborate the theoretical analysis.

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renewable energy / hydrogen production / renewable energy resources / converter / system stability / controller's parameters

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Jing Yanwei, Mei Chunxiao, Tan Jianxin, Zhang Lei, Zhang Yibo. STABILITY STUDY OF WATER ELECTROLYSIS HYDROGEN PRODUCTION CONVERTER CONNECTED TO WEAK GRID[J]. Acta Energiae Solaris Sinica. 2024, 45(5): 267-275 https://doi.org/10.19912/j.0254-0096.tynxb.2022-1877

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