Power system cascading failure analysis method, device and equipment and readable storage medium

By constructing a power cyber-physical system model and analyzing the cascading failures of the power cyber-physical system, the problem of low efficiency and insufficient accuracy in existing simulation research is solved, and efficient and accurate simulation of cascading failures in power systems caused by network attacks is achieved.

CN115630511BActive Publication Date: 2026-07-10CHINA SOUTHERN POWER GRID COMPANY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA SOUTHERN POWER GRID COMPANY
Filing Date
2022-10-28
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing technologies are insufficient for efficiently simulating and studying cascading failures in power systems caused by cyberattacks, especially in power cyber-physical systems. Existing methods lack modeling of key power system elements, resulting in large discrepancies between simulation results and reality or low simulation efficiency.

Method used

By acquiring the architectural information of the target power cyber-physical system, a power cyber-physical system model is constructed, including network node state models of the power physical system and the information system. The cascading failures of the power cyber-physical system are analyzed, and the coupling characteristics of the power information network and the physical network are considered to improve the simulation efficiency and accuracy.

Benefits of technology

It enables efficient and accurate simulation of power cyber-physical systems, better simulating the cascading failure characteristics caused by network attacks, and improving the efficiency and accuracy of analysis and research.

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Abstract

The application provides a power system cascading failure analysis method, device and equipment and a readable storage medium. The application analyzes the architecture information of a power physical system and a power information system of a power information physical system, constructs a model of the power information physical system, and analyzes the cascading failure condition of the power information physical system caused by network attacks. The application can abstractly model each network node information of the power information physical system, consider the mutual coupling characteristics of the power information network and the power physical network, and the propagation characteristics of the cascading failure in each network and between each other, can macroscopically simulate the cascading failure characteristics, and ensures high operation efficiency, so that the simulation of the power information physical system and the research and analysis of the power grid cascading failure are more efficient and accurate.
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