面向IED攻击的多变电站防御-攻击-防御鲁棒优化模型  

IED-attacks Oriented Robust Optimization Model of Defender-attacker-defender for Multiple Substations

作　　者：唐夏菲 孙溶佐 谭玉东 赵一睿 TANG Xiafei;SUN Rongzuo;TAN Yudong;ZHAO Yirui(College of Electrical and Information Engineering,Changsha University of Science and Technology,Changsha 410114,China;Economic and Technological Research Institute,State Grid Hunan Electric Power Co.,Ltd,Changsha 410004,China;College of Electrical and Information Engineering,Hunan University,Changsha 410082,China)

机构地区：[1]长沙理工大学电气与信息工程学院,长沙410114 [2]国网湖南省电力有限公司经济技术研究院,长沙410004 [3]湖南大学电气与信息工程学院,长沙410082

出　　处：《电力系统及其自动化学报》2024年第9期124-134,共11页Proceedings of the CSU-EPSA

基　　金：国家自然科学基金资助项目(52277076,52307081)。

摘　　要：变电站的网络安全对提升系统抵御大停电的能力具有重要意义。首先,利用贝叶斯攻击图分析变电站网络入侵过程,量化规划者、攻击者、调度中心交互作用下系统遭受的网络风险,从而建立基于变电站入侵成功概率的防御-攻击-防御模型,模型上层以网络风险最小为目标制定变电站防御策略,中层以网络风险最大为目标制定变电站和线路攻击策略,下层以负荷损失最小为目标制定调度方案;然后,通过定制的列与约束生成算法求解所提模型;最后,仿真结果表明所提模型能够有效减小系统存在的网络风险。The network security of substations is of significance in enhancing the system’s capability to withstand major power outages.First,Bayesian attack graph is used to analyze the intrusion process in a substation network and quantify the cyber-risk suffered by the system under the interaction among planners,attackers and scheduling centers.Accord-ingly,a substation-based probabilistic defender-attacker-defender model is established,in which the substation’s de-fensive strategies are formulated with an aim of minimizing the cyber-risk on the upper layer,the attack strategies of the substation and line are formulated to maximize the cyber-risk on the middle layer,and the dispatching plan is formulat-ed to minimize the load loss.Then,the proposed model is solved by a customized column-and-constraint generation al-gorithm.Finally,simulation results indicate that the proposed model can effectively reduce the cyber-risk existing in the system.

关 键 词：鲁棒优化 网络攻击 攻防博弈三层优化模型 对偶理论 电力信息物理系统 

分 类 号：TM74[电气工程—电力系统及自动化]