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A Vulnerability Assessment Method for Power Cyber-Physical Fusion System

A technology of electric power information and physical fusion, applied in the field of electric power system

Active Publication Date: 2021-07-16
POWER DISPATCHING CONTROL CENT OF GUANGDONG POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that the existing vulnerability assessment methods for power cyber-physical fusion systems considering physical-information virtual connections still need to be improved

Method used

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  • A Vulnerability Assessment Method for Power Cyber-Physical Fusion System
  • A Vulnerability Assessment Method for Power Cyber-Physical Fusion System
  • A Vulnerability Assessment Method for Power Cyber-Physical Fusion System

Examples

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Embodiment 1

[0092] The present invention proposes a vulnerability assessment method for power cyber-physical fusion system, the process of which is as follows figure 1 Shown: Including the following detailed steps:

[0093] Step 1. Input the topological parameters / electrical parameters of the physical network and the topological parameters of the information network;

[0094] Step 2. Determine the model construction method of the power cyber-physical fusion system considering the physical-information virtual connection;

[0095] In order to simultaneously consider the status of physics and information in the power cyber-physical fusion system and their interaction effects, a power cyber-physical fusion system model considering the physical-information virtual connection is proposed to model the power cyber-physical fusion system, such as figure 2 Shown: the model consists of five parts, namely physical nodes, information nodes, physical-physical connections, information-information conn...

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Abstract

The invention relates to a vulnerability assessment method of a power cyber-physical fusion system. In this technical solution, the vulnerability assessment method of a power cyber-physical fusion system is provided, which shows the interactive influence of information and physical space in the power cyber-physical fusion system with cascading failures. By adopting the method of the invention to consider the physical-information virtual connection, the vulnerability of the electric power cyber-physical fusion system can be effectively evaluated, and the vulnerable links of the system can be analyzed.

Description

technical field [0001] The invention relates to the field of power systems, in particular to a vulnerability assessment method of a power information physics fusion system. Background technique [0002] At present, the promotion of the smart grid strategy has gradually integrated intelligent control equipment and communication networks into the traditional power system, promoted the development of power grid automation and information communication, and greatly improved the energy utilization efficiency of the power system, and maintained the safety and reliability of the power system. run. Information networks improve the original physical system in many ways. For example, from a reliability point of view, the most important thing is to provide fault diagnosis, isolation and recovery capabilities for physical systems. With the improvement of power grid digitalization and informatization, the influence of information system on power system operation is becoming more and mo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/0639G06Q50/06
Inventor 杨银国陈柯任文福拴李力谭嫣向丽玲
Owner POWER DISPATCHING CONTROL CENT OF GUANGDONG POWER GRID CO LTD
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