Risk modelling of hydrogen-enriched natural gas on pipelines and gas-electric coupled systems

IF 1.6 Q4 ENERGY & FUELS
Kun Yang, Zhihui Zhao, Anan Zhang, Wei Yang, Qian Li, Shan Zeng, Gaoqiang Peng
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引用次数: 0

Abstract

The use of natural gas pipeline networks to transmit hydrogen energy is an important form of hydrogen energy utilisation. The coupling of hydrogen-enriched natural gas pipeline network and power grid involves the energy conversion of electricity-hydrogen-electricity, so the assessment is crucial because the system is complex, and the hazards to the system can be identified. This paper proposes a risk assessment method for gas-electric coupling of hydrogen-enriched natural gas pipeline networks and a three-stage risk assessment model to assess the life cycle risk of natural gas pipelines; a material energy-based risk transfer model considering gas-electric coupling is proposed to describe the risk transfer process of hydrogen-enriched natural gas between the gas network and the grid. By comparing and analysing the risk of natural gas blending ratio to the pipeline and the risk of pipeline pressure to the pipeline, the validity of the model is verified, which provides safety support for the connection of the natural gas pipeline system to the grid and ensures the efficient use of hydrogen energy.

Abstract Image

富氢天然气在管道和气电耦合系统中的风险建模
利用天然气管网传输氢能是氢能利用的一种重要形式。富氢天然气管网与电网的耦合涉及 "电-氢-电 "的能量转换,系统复杂,对系统的危害可识别,因此评估至关重要。本文提出了富氢天然气管网气电耦合风险评估方法和三阶段风险评估模型,以评估天然气管道的生命周期风险;提出了考虑气电耦合的基于物质能量的风险转移模型,以描述富氢天然气在气网和电网之间的风险转移过程。通过对比分析天然气掺混率对管道的风险和管道压力对管道的风险,验证了模型的有效性,为天然气管道系统与电网的连接提供了安全支撑,确保了氢能的高效利用。
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来源期刊
IET Energy Systems Integration
IET Energy Systems Integration Engineering-Engineering (miscellaneous)
CiteScore
5.90
自引率
8.30%
发文量
29
审稿时长
11 weeks
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