四川大学电气工程学院,四川省成都市 610065
南璐(1994—),女,副教授,主要研究方向:电力系统设计规划与优化运行。E-mail:lnan@scu.edu.cn
马镱洋(2000—),女,硕士研究生,主要研究方向:电力系统设计规划与优化运行。E-mail:myy2205@163.com
何川(1988—),男,通信作者,副教授,主要研究方向:电力系统设计规划与优化运行、新能源并网以及储能技术等。E-mail:he_chuan@scu.edu.cn
收稿:2025-04-07,
修回:2025-08-10,
网络首发:2025-12-03,
纸质出版:2026-01-10
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南璐,马镱洋,何川.计及元件多状态的电-气互联系统连锁故障风险评估[J].电力系统自动化,2026,50(1):130-142.
NAN Lu,MA Yiyang,HE Chuan.Risk Assessment of Cascading Failures in Electricity-Gas Interconnection System Considering Multi-states of Components[J].Automation of Electric Power Systems,2026,50(1):130-142.
南璐,马镱洋,何川.计及元件多状态的电-气互联系统连锁故障风险评估[J].电力系统自动化,2026,50(1):130-142. DOI: 10.7500/AEPS20250407002.
NAN Lu,MA Yiyang,HE Chuan.Risk Assessment of Cascading Failures in Electricity-Gas Interconnection System Considering Multi-states of Components[J].Automation of Electric Power Systems,2026,50(1):130-142. DOI: 10.7500/AEPS20250407002.
随着电力系统和天然气系统耦合关系的愈加深化,跨系统连锁故障风险日益凸显,威胁了互联系统的安全稳定运行。为此,文中提出一种考虑元件多状态的电-气互联系统连锁故障风险评估方法。首先,以最小化失负荷、输电线路退出运行和输气管道断裂成本为目标函数,提出考虑元件多状态的电-气互联系统连锁故障仿真模型;其次,建立多状态元件故障概率模型以计算事故发生概率;最后,提出综合考虑互联系统失负荷严重度的电-气互联系统连锁故障风险评估方法。采用IEEE 24节点电力系统和比利时20节点天然气系统构成的电-气互联系统作为算例,验证了所提模型和方法的有效性。
With the deepening coupling between power and natural-gas systems
cross-infrastructure cascading failures have become a critical threat to the secure and stable operation of the interconnection system To address this challenge
this paper proposes a risk assessment method of cascading failures in electricity-gas interconnection system considering multi-states of components. Firstly
a cascading-failure simulation model is formulated with the objective of minimizing the total cost of load shedding
transmission-line outages
and gas-pipeline ruptures while accounting for component multi-state behavior. Secondly
a multi-state component failure probability model is established to calculate the accident probability. Finally
a risk assessment method of cascading failures in electricity-gas interconnection system considering the severity of interconnected system load loss is proposed. The effectiveness of the proposed model and method is demonstrated on a test system that combines the IEEE 24-bus power system with the 20-node Belgian gas system.
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