风灾下电力-燃气系统复原力评估综合模型

IF 6.9 2区 工程技术 Q2 ENERGY & FUELS CSEE Journal of Power and Energy Systems Pub Date : 2023-09-08 DOI:10.17775/CSEEJPES.2022.05420
Yucui Wang;Yongbiao Yang;Qingshan Xu
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引用次数: 0

摘要

综合电力-燃气系统(IPGS)是综合能源系统中的重要基础设施。此外,各种低概率、高风险的极端天气事件也严重影响了 IPGS 的稳定运行。由于电力系统(PS)和天然气系统(NGS)之间通过耦合元件紧密互联,当一个系统发生干扰时,另一个系统可能会随之发生一系列复杂的相关事件。特别是在极端条件下,这种耦合会导致系统性能急剧下降,造成灾难性故障。因此,迫切需要对 IPGS 在极端天气下的恢复能力进行建模和评估。顺应这一发展趋势,本文以风灾为重点,提出了极端天气事件下 IPGS 弹性评估的综合模型。首先,提出了 IPGS 的框架,以描述灾害条件下系统在不同阶段的状态。此外,考虑到级联效应的评估模型用于量化风灾对 NGS 和 PS 的影响。同时,利用蒙特卡罗模拟(MCS)技术来描述组件的混沌故障。此外,还提出了 IPGS 的随时间变化的节点和系统弹性指数,以显示风灾的影响。IPGS 测试系统的数值结果证明了所提出的方法。
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Integrated Model for Resilience Evaluation of Power-Gas Systems Under Windstorms
Integrated power-gas systems (IPGS) have developed critical infrastructure in integrated energy systems. Moreover, various extreme weather events with low probability and high risk have seriously affected the stable operation of IPGSs. Due to close interconnectedness through coupling elements between the power system (PS) and natural gas system (NGS) when a disturbance happens in one system, a series of complicated sequences of dependent events may follow in another system. Especially under extreme conditions, this coupling can lead to a dramatic degradation of system performance, resulting in catastrophic failures. Therefore, there is an urgent need to model and evaluate resilience of IPGSs under extreme weather. Following this development trend, an integrated model for resilience evaluation of IPGS is proposed under extreme weather events focusing on windstorms. First, a framework of IPGS is proposed to describe states of the system at different stages under disaster conditions. Furthermore, an evaluation model considering cascading effects is used to quantify the impact of windstorms on NGS and PS. Meanwhile, a Monte Carlo simulation (MCS) technique is utilized to characterize chaotic fault of components. Moreover, time-dependent nodal and system resilience indices for IPGS are proposed to display impacts of windstorms. Numerical results on the IPGS test system demonstrate the proposed methods.
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来源期刊
CiteScore
11.80
自引率
12.70%
发文量
389
审稿时长
26 weeks
期刊介绍: The CSEE Journal of Power and Energy Systems (JPES) is an international bimonthly journal published by the Chinese Society for Electrical Engineering (CSEE) in collaboration with CEPRI (China Electric Power Research Institute) and IEEE (The Institute of Electrical and Electronics Engineers) Inc. Indexed by SCI, Scopus, INSPEC, CSAD (Chinese Science Abstracts Database), DOAJ, and ProQuest, it serves as a platform for reporting cutting-edge theories, methods, technologies, and applications shaping the development of power systems in energy transition. The journal offers authors an international platform to enhance the reach and impact of their contributions.
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