某核电站制氢用PEM电解槽故障树及重要性测度分析

IF 8.3 2区 工程技术 Q1 CHEMISTRY, PHYSICAL
Samantha E. Wismer, Victoriia Grabovetska, Ahmad Al-Douri, Katrina M. Groth
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引用次数: 0

摘要

利用质子交换膜(PEM)电解槽与核电站(NPPs)耦合生产氢气的试点项目于2022年开始,预计未来十年将有进一步发展。然而,电解槽与核电站的共存需要了解和减轻潜在风险。在这项工作中,我们确定了一个1mw PEM电解系统的故障贡献者并对其进行了排序。我们使用故障树来定义组件的故障逻辑,用通用数据对其进行参数化,并计算出四个主要事件的故障频率和最小割集:氢释放、氧释放、氮释放和氢氧混合。我们使用风险降低值重要性度量来确定风险最显著的组成部分。研究结果揭示了质子交换膜电解槽系统的主要风险驱动因素,并为核电站大型质子交换膜电解槽的定量风险评估提供了基本步骤。结果包括建议的风险缓解措施,包括关于设计、维护和监控策略的建议。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fault tree and importance measure analysis of a PEM electrolyzer for hydrogen production at a nuclear power plant
Pilot projects to generate hydrogen using proton exchange membrane (PEM) electrolyzers coupled to nuclear power plants (NPPs) began in 2022, with further developments anticipated over the next decade. However, the co-location of electrolyzers with NPPs requires an understanding and mitigation of potential risks. In this work, we identify and rank failure contributors for a 1 MW PEM electrolysis system. We used fault trees to define the component failure logic, parameterized them with generic data, and calculated failure frequencies and minimal cut sets for four top events: hydrogen release, oxygen release, nitrogen release, and hydrogen and oxygen mixing. We use risk reduction worth importance measures to determine the most risk-significant components. The results provide insight into primary risk drivers in PEM electrolyzer systems and provide the foundational steps towards quantitative risk assessment of large-scale PEM electrolyzers at NPPs. The results include recommended risk-mitigation actions, include recommendations about design, maintenance, and monitoring strategies.
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来源期刊
International Journal of Hydrogen Energy
International Journal of Hydrogen Energy 工程技术-环境科学
CiteScore
13.50
自引率
25.00%
发文量
3502
审稿时长
60 days
期刊介绍: The objective of the International Journal of Hydrogen Energy is to facilitate the exchange of new ideas, technological advancements, and research findings in the field of Hydrogen Energy among scientists and engineers worldwide. This journal showcases original research, both analytical and experimental, covering various aspects of Hydrogen Energy. These include production, storage, transmission, utilization, enabling technologies, environmental impact, economic considerations, and global perspectives on hydrogen and its carriers such as NH3, CH4, alcohols, etc. The utilization aspect encompasses various methods such as thermochemical (combustion), photochemical, electrochemical (fuel cells), and nuclear conversion of hydrogen, hydrogen isotopes, and hydrogen carriers into thermal, mechanical, and electrical energies. The applications of these energies can be found in transportation (including aerospace), industrial, commercial, and residential sectors.
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