Risk-Balanced Routing Strategy for Service Function Chains of Cyber-Physical Power System Considering Cross-Space Cascading Failure

被引:0
作者
Wang, He [1 ]
Tong, Xingyu [1 ]
Yu, Huanan [1 ]
Hu, Xiao [1 ]
Bian, Jing [1 ]
机构
[1] The Key Laboratory of Modern Power System Simulation and Control Renewable Energy Technology, Ministry of Education, Northeast Electric Power University, Jilin
来源
Energy Engineering: Journal of the Association of Energy Engineering | 2024年 / 121卷 / 09期
基金
中国国家自然科学基金;
关键词
cascading failure; Cyber-physical power system; risk balance; routing optimization; service function chain;
D O I
10.32604/ee.2024.050594
中图分类号
学科分类号
摘要
Cyber-physical power system (CPPS) has significantly improved the operational efficiency of power systems. However, cross-space cascading failures may occur due to the coupling characteristics, which poses a great threat to the safety and reliability of CPPS, and there is an acute need to reduce the probability of these failures. Towards this end, this paper first proposes a cascading failure index to identify and quantify the importance of different information in the same class of communication services. On this basis, a joint improved risk-balanced service function chain routing strategy (SFC-RS) is proposed, which is modeled as a robust optimization problem and solved by column-and-constraint generation (C-CG) algorithm. Compared with the traditional shortest-path routing algorithm, the superiority of SFC-RS is verified in the IEEE 30-bus system. The results demonstrate that SFC-RS effectively mitigates the risk associated with information transmission in the network, enhances information transmission accessibility, and effectively limits communication disruption from becoming the cause of cross-space cascading failures. © 2024 The Authors.
引用
收藏
页码:2525 / 2542
页数:17
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