Vulnerability Assessment Against Cyber Attacks for Microgrid Cyber Physical System with Wind Power Integration

被引：0
作者：
Yan, Minrui [1 ]
Yu, Miao [1 ]
Wan, Keting [1 ]
Qi, Donglian [1 ]
机构：
[1] College of Electrical Engineering, Zhejiang University, Hangzhou
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2024年 / 48卷 / 24期
基金：
中国国家自然科学基金;
关键词：
cyber attack; cyber physical system; microgrid; vulnerability assessment;
D O I：
10.7500/AEPS20230815010
中图分类号：
学科分类号：
摘要：
With the evolution of the informatization and intelligence level of microgrids, malicious cyber attacks are becoming more serious threats to the safe and stable operation of microgrids. Compared with the distribution network, the microgrid has smaller scale, higher renewable energy penetration, and weaker adjustment capacity, and is more vulnerable to cyber attacks. In order to analyze the vulnerability of microgrid cyber physical system against cyber attacks, first, a physical-side model of microgrid considering control strategy and renewable energy output uncertainty, and a data flow based cyber-side model considering cyber attacks are formulated. Secondly, in order to analyze cyber attacks, the correlation matrix of attack method and attack target and a bi-level programming model considering the behavior of the attacker and the dispatching center are established. Then, based on the characteristics of load redistribution and Shapley value method, a vulnerability index calculation method based on attack consequences and vulnerability assessment process are proposed. Finally, the simulation is carried out on a 38-bus system to assess the vulnerability of the microgrid cyber physical system against cyber attacks, and the effectiveness of the proposed method and its guiding significance for formulating defense strategy are analyzed and verified. © 2024 Automation of Electric Power Systems Press. All rights reserved.
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收藏
页码：88 / 100
页数：12
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