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Optimal Prevention and Control Strategy Against Preconceive Faults in Electric Cyber-Physical System

机译:电气网络体系中前置故障的最佳防治策略

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Widespread application of advanced computer technologies in control system and information system will make the power grid more vulnerable to various cyber-attacks. This paper proposed a quantitative risk assessment of the cascading failure caused by the cyber-attacks on the overall systems of electric cyber-physical system (ECPS). Then, the attack tree model and the severity of overload lines are used to judge the Severity of the N-1 static security test. Lastly, an optimal model can be used to find the best adjustment of generator plan and load shedding to minimize the risk value of N-1 fault state. The proposed methods are tested based on IEEE14-bus, and the simulation results validate that the proposed methods are effective. This study offers new insight into preventing and mitigating the cyber-attacks.
机译:广泛应用在控制系统和信息系统中的高级计算机技术将使电网更容易受到各种网络攻击的影响。本文提出了对电气网络物理系统(ECPS)整体系统的网络攻击引起的级联失败的定量风险评估。然后,攻击树模型和过载线的严重程度用于判断N-1静态安全测试的严重性。最后,可以使用最佳模型来找到发电机计划和负载脱落的最佳调整,以最小化N-1故障状态的风险值。基于IEE14-SUAR测试所提出的方法,仿真结果验证了所提出的方法是有效的。本研究提供了新的洞察力,防止和减轻网络攻击。

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