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Power distribution network information physical system fault recovery method based on ant colony algorithm

A cyber-physical system and distribution network failure technology, applied in the field of power cyber-physical systems, can solve problems such as the complexity of the interaction mechanism between the power network and the information network

Pending Publication Date: 2022-04-15
STATE GRID LIAONING ECONOMIC TECHN INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition, the promotion of the Energy Internet has enabled more and more external information to directly or indirectly affect power system dispatching and control decisions through Internet technology and diversified communication methods, and the interaction mechanism between the power grid and the information network is becoming increasingly complex.

Method used

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  • Power distribution network information physical system fault recovery method based on ant colony algorithm
  • Power distribution network information physical system fault recovery method based on ant colony algorithm
  • Power distribution network information physical system fault recovery method based on ant colony algorithm

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Embodiment 1

[0055] The present invention provides an embodiment, which is an ant colony algorithm-based fault recovery method for a cyber-physical system of a power distribution network. Generally speaking, when the power grid fails, the blackout area cannot return to the normal state before the failure, and the original power supply path and power supply method may become unusable or inappropriate. Therefore, it is necessary to find a new power supply path and a new power supply method to restore power supply to the power outage area. If there are multiple power supply paths in the power outage area, in order to restore the power supply to the greatest extent, the network reconstruction in the outage area must be carried out.

[0056] Distribution network fault recovery and reconstruction is a combinatorial optimization problem. When the objective function considers the minimum number of switching operations, it is an integer linear programming (0-1 programming) problem; when the objecti...

Embodiment 2

[0093]Based on the same inventive concept, an embodiment of the present invention also provides a computer storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the ant colony-based Algorithmic steps in fault recovery method for distribution network cyber-physical systems.

[0094] Those skilled in the art should understand that the embodiments of the present application may be provided as methods, systems, or computer program products. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

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Abstract

The invention belongs to the technical field of power information physical systems, and particularly relates to a power distribution network information physical system fault recovery method based on an ant colony algorithm. Comprising the steps of 1, establishing a mathematical model of power distribution network fault recovery; step 2, applying the ant colony algorithm to power distribution network fault recovery; and step 3, power distribution network fault recovery is carried out based on an ant colony algorithm. Advanced information communication and computing technologies are introduced to realize acquisition, transmission and processing of mass data, deep fusion of an information system and an electric power system is realized, and a modern electric power system is developed into an electric power information physical system with deep fusion of a power network and an information network. According to the method, after the fault of the power distribution network occurs, a set of switch operation scheme which can meet the network operation condition and the objective function can be quickly found out, network reconstruction is carried out, power supply of a power failure area is recovered to the maximum extent, meanwhile, overload of a non-power-failure area is not caused, operation is easy and convenient, and a big problem in operation of the power distribution network is solved.

Description

technical field [0001] The invention belongs to the technical field of electric power cyber-physical systems, and in particular relates to a fault recovery method for distribution network cyber-physical systems based on an ant colony algorithm. Background technique [0002] In recent years, facing global environmental and energy problems such as global warming and shortage of fossil energy, people have begun to pay attention to the development and utilization of renewable energy such as solar energy, water energy, and wind energy; with the development of social economy and With the continuous improvement of living conditions, people's growing needs for a better life have also put forward higher requirements for the demand for electric energy and the quality of electric energy. With the continuous development of smart grid construction, the number of grid sensors and decision-making units has increased significantly, the scale of information networks has continued to expand, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J13/00H02H7/26G06F30/27G06N3/00G06F111/04G06F111/08G06F113/04G06F119/02
CPCY02E60/00Y04S10/20
Inventor 王义贺雷振江田小蕾杨超徐婷婷邬桐王宗元潘霄赵琳张娜商文颖程孟增杨方圆胡旌伟徐熙林李金起
Owner STATE GRID LIAONING ECONOMIC TECHN INST
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