基于改进的级联故障模型的网络物理电力系统脆弱性评估

IF 1.6 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Dong Ding, Honglin Wu, Xijuan Yu, Haiyun Wang, Liping Yang, Hongjie Wang, Xiangxing Kong, Qianhe Liu, Zhigang Lu
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引用次数: 0

摘要

针对现有脆弱性评估模型忽视信息节点状态转换和信息网络延时效应的问题,提出了一种改进的级联故障模型来评估网络物理电力系统的脆弱性。首先,根据网络的拓扑结构和相关性建立网络物理电力系统模型。其次,考虑网络节点的过载状态和恢复过程,以及故障传播过程中的物理层功率流优化和信息流再分配,建立改进的级联故障模型。最后,根据拓扑结构和系统运行状态建立脆弱性指数,评估网络物理电力系统的脆弱性。仿真结果表明,蓄意攻击比随机攻击对系统的破坏力更大,故障传播速度更快。此外,在一定范围内增加过载和恢复参数可降低 CPPS 的脆弱性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Vulnerability Assessment of Cyber Physical Power System Based on Improved Cascading Failure Model

Vulnerability Assessment of Cyber Physical Power System Based on Improved Cascading Failure Model

Aiming at the problem that the existing vulnerability assessment models ignore the state transformation of information nodes and delay effect of information network, an improved cascade failure model is proposed to assess the vulnerability of cyber physical power system. Firstly, the cyber physical power system model is established according to the topological structure and correlation of the network. Secondly, considering the overload state and recovery process of cyber nodes, as well as the physical layer power flow optimization and information flow redistribution in the process of fault propagation, an improved cascading failures model is established. Finally, the vulnerability index is established from the topological structure and the running state of the system to assess the vulnerability of the cyber physical power system. The simulation results show that the deliberate attack is more destructive to the system than the random attack, as well as that the fault propagation is faster. Moreover, the vulnerability of CPPS can be decreased by increasing the overload and recovery parameters within a certain limit.

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来源期刊
Journal of Electrical Engineering & Technology
Journal of Electrical Engineering & Technology ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
4.00
自引率
15.80%
发文量
321
审稿时长
3.8 months
期刊介绍: ournal of Electrical Engineering and Technology (JEET), which is the official publication of the Korean Institute of Electrical Engineers (KIEE) being published bimonthly, released the first issue in March 2006.The journal is open to submission from scholars and experts in the wide areas of electrical engineering technologies. The scope of the journal includes all issues in the field of Electrical Engineering and Technology. Included are techniques for electrical power engineering, electrical machinery and energy conversion systems, electrophysics and applications, information and controls.
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