《信息与电子工程前沿（英文）》
>> 2016年
第17卷
第5期
doi:
10.1631/FITEE.1500446
Onmodeling of electrical cyber-physical systems considering cyber security Project supported by the National Basic Research Program (863) of China (No. 2015AA05002), the National Natural Science Foundation of China (No. 61471328), and the Science and Technology Project of State Grid, China (No. XXB17201400056)
. College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China.. Smart Grid Research Institute, State Grid, Beijing 102209, China
发布日期：
2016-05-24
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摘要
This paper establishes a new framework for modeling electrical cyber-physical systems (ECPSs), integrating both power grids and communication networks. To model the communication network associated with a power transmission grid, we use a mesh network that considers the features of power transmission grids such as high-voltage levels, long-transmission distances, and equal importance of each node. Moreover, bidirectional links including data uploading channels and command downloading channels are assumed to connect every node in the communication network and a corresponding physical node in the transmission grid. Based on this model, the fragility of an ECPS is analyzed under various cyber attacks including denial-of-service (DoS) attacks, replay attacks, and false data injection attacks. Control strategies such as load shedding and relay protection are also verified using this model against these attacks.
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