Power system cyber-physical modelling and security assessment: Motivation and ideas

被引：0

作者：

Guo Q. ^{[1
]}

Xin S. ^{[1
]}

Sun H. ^{[1
]}

Wang J. ^{[2
]}

机构：

[1] State Key Lab. of Power Systems, Department of Electrical Engineering, Tsinghua University, Haidian District, Beijing

[2] Argonne National Laboratory, Argonne, 60439, IL

来源：

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2016年 / 36卷 / 06期

关键词：

Cyber-physical system; Energy internet; Modeling; Security assessment; Smart grid;

D O I：

10.13334/j.0258-8013.pcsee.2016.06.003

中图分类号：

学科分类号：

摘要：

Smart grid is a typical cyber-physical system (CPS), in which the disturbance on cyber part may result in the operation risks on physical systems. In order to perform system assessment and contingency analysis for the cyber-physical power grid, we first reviewed the significance and necessity of the CPS assessment for the power system, and proposed an analytic cyber-physical modeling architecture to describe the couple relationship of cyber and physical systems adopting graph theory, set theory and matrix theory afterwards. In this model, the HCS cyber network can be abstracted to a directed graph consisting of data nodes and directed branches. This model supports hybrid computing of the system information-energy flow with matrix transformation and operations, which has a higher computational efficacy while ensure some accuracy compared with simulation-based approaches. At last, we also explored the outlook of the future cyber-physical security assessment for the power system. © 2016 Chin. Soc. for Elec. Eng.

引用

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页码：1481 / 1489

页数：8

共 29 条

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