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Active power distribution network information physical system information side and physical side cooperative situation assessment method and system aiming at network attack

A cyber-physical system and cyber attack technology, applied in the field of safe and stable operation protection of cyber-physical systems of active distribution network, can solve problems such as disrupting the balance of power supply and demand in the distribution network, power quality, disrupting the orderly charging and discharging mode of electric vehicles, etc. question

Pending Publication Date: 2022-07-15
WUHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the user side is different. Its information security protection is relatively weak. Through the Internet, it is easier for attackers to use the embedded system vulnerabilities of the intelligent parking terminal to implant malicious codes and send malicious control commands, destroying the orderly charging and discharging mode of electric vehicles and causing power failures. Quality problems, destroying the balance of power supply and demand in the distribution network

Method used

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  • Active power distribution network information physical system information side and physical side cooperative situation assessment method and system aiming at network attack
  • Active power distribution network information physical system information side and physical side cooperative situation assessment method and system aiming at network attack
  • Active power distribution network information physical system information side and physical side cooperative situation assessment method and system aiming at network attack

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Experimental program
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Embodiment 1

[0076] The embodiment of the present invention provides a coordinated situation assessment method for the information side and the physical side of an active distribution network cyber-physical system against network attacks, including:

[0077] Build an ANDCPS operating state transition model, where ANDCPS is an active distribution network cyber-physical system, and the ANDCPS operating state transition model includes operating states and ADNCPS key state nodes, where the operating states include ANDCPS operating states with network attacks and no network attacks. The ANDCPS operating status;

[0078] Establish a collaborative situation assessment index system for information side C and physical side P, including information side indicators and physical side indicators;

[0079] Set alarm thresholds for the information side indicators and physical side indicators included in the information side C and physical side P collaborative situation assessment indicator system;

[00...

Embodiment 2

[0204] This embodiment provides an information-side and physical-side collaborative situation assessment system for an active distribution network cyber-physical system against network attacks, including:

[0205] The operating state transition model building module is used to construct an ANDCPS operating state transition model, where ANDCPS is an active distribution network cyber-physical system, and the ANDCPS operating state transition model includes operating states and ADNCPS key state nodes, where the operating state includes network The ANDCPS operation status of the attack and the ANDCPS operation status of no network attack;

[0206] The index system establishment module is used to establish the information side C and the physical side P collaborative situation assessment index system, including the information side index and the physical side index;

[0207] The alarm threshold setting module is used to set the alarm threshold for the information side index and the ...

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Abstract

The invention provides an active power distribution network information physical system information side and physical side cooperative situation assessment method and system aiming at network attacks, and the method comprises the steps: employing an ADNCPS state transition model, employing an ADNCPS information side and physical side index system, carrying out the network attack discrimination, employing an entropy weight method to carry out the weighting of each index, taking the normal operation state of the ADNCPS as a reference scene, and carrying out the assessment of the cooperative situation of the ADNCPS information side and physical side. Evaluating the operation situation of the active power distribution network through a grey correlation analysis method; according to the ADNCPS operation situation evaluation method and system, ADNCPS operation situation evaluation can be accurately achieved, operation and maintenance personnel can adjust the operation state of the ADNCPS according to the evaluation result, and safe and stable operation of the ADNCPS is protected.

Description

technical field [0001] The invention relates to the technical field of safe and stable operation protection of an information-physical system of an active distribution network, in particular to a method and a system for evaluating the coordinated situation between the information side and the physical side of the information-physical system of an active distribution network information-physical system against network attacks. Background technique [0002] With the rapid development of the economy, the contradiction between energy shortage and environmental pollution has become increasingly prominent, enabling the vigorous development of green and renewable energy technologies, especially the small-capacity, decentralized, and local-consumption-based distributed power sources. (Distributed Generations, DG), has become an integral part of the power system that cannot be underestimated. In this context, the Active Distribution Network Cyber ​​Physical System (ADNCPS) came into ...

Claims

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Application Information

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IPC IPC(8): H04L9/40H04L41/142H04L67/12G06Q50/06
CPCH04L63/1408H04L63/1416H04L63/20H04L41/142H04L67/12G06Q50/06Y04S40/20
Inventor 梁佳琦李俊娥陆煜锌赵思宇刘万大山
Owner WUHAN UNIV
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