Static Layered Modeling Method of Power Communication Systems for Data Availability

被引：0
|
作者：
Wang Z. [1 ]
Wang J. [1 ]
Xie J. [2 ]
Wang Y. [2 ]
Shi D. [1 ]
Duan X. [1 ]
机构：
[1] State Key Laboratory of Advanced Electromagnetic Engineering and Technology (Huazhong University of Science and Technology), Wuhan
[2] Central China Branch of State Grid Corporation of China, Wuhan
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2021年 / 45卷 / 20期
基金：
中国国家自然科学基金;
关键词：
Cyber-physical co-simulation; Cyber-physical contingency; Data availability; Power communication system; Static modeling;
D O I：
10.7500/AEPS20210108003
中图分类号：
学科分类号：
摘要：
The regular operation of the power communication system is the basis of ensuring the reliable transmission of measurement data and control commands, and maintaining the safe and stable operation in power systems. The conventional static models of power communication systems ignore the differences in the functions of different buses, making it hard to characterize the multi-layer connection status of physical and logical links simultaneously. Moreover, it is also inapplicable to precisely describing the changing situation of information flow under various cyber-physical contingencies. Regarding these issues, a static layered modeling method of power communication systems for data availability is proposed. From the physical layer to the session layer, the proposed method employs direct/indirect adjacency matrices and the cross-layer dependencies to model the transmission and processing of the information from bottom to top in detail. The yielded model can more comprehensively analyze the changes of the information flow under cyber-physical contingencies, and thus lay the foundation for more accurate interaction impact analysis and risk assessment in cyber-physical power systems. The effectiveness of the proposed method is verified through the analysis of cyber-physical co-simulation in the IEEE 9-bus system and IEEE 118-bus system under complex contingencies. © 2021 Automation of Electric Power Systems Press.
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页码：9 / 17
页数：8
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