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Establishment method for cascading failure analysis model of power CPS (Cyber Physical System) based on cellular automaton

A technology of cellular automata and cascading failures, which is applied in the direction of electrical components, digital transmission systems, transmission systems, etc., can solve problems such as the inability to accurately and effectively simulate the fault response mechanism of the two-layer system interactive cascading faults in the power CPS information layer, and achieve Convincing and accurate results

Inactive Publication Date: 2018-11-20
INFORMATION & TELECOMM COMPANY SICHUAN ELECTRIC POWER
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Problems solved by technology

[0006] In view of the above-mentioned deficiencies in the prior art, the establishment method of the cascading failure model of the power CPS based on cellular automata provided by the present invention solves the problem that the three-machine and nine-node network model cannot be accurately and effectively simulated in the process of power CPS safety risk research. Fault response of power CPS information layer and problem of interactive cascading fault mechanism of two-layer system

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  • Establishment method for cascading failure analysis model of power CPS (Cyber Physical System) based on cellular automaton
  • Establishment method for cascading failure analysis model of power CPS (Cyber Physical System) based on cellular automaton
  • Establishment method for cascading failure analysis model of power CPS (Cyber Physical System) based on cellular automaton

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[0070] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0071] Such as figure 1 As shown, the establishment method of the cascading failure model of the electric power CPS based on the cellular automaton comprises the following steps:

[0072] S1. Build the information network topology of electric power CPS;

[0073] In the above step S1, the IEEE30 node standard model is used to build a 29×29 information network topology.

[0074] S2. Cellize all the elements in the electric ...

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Abstract

The invention discloses an establishment method for a cascading failure analysis model of a power CPS (Cyber Physical System) based on a cellular automaton. The method is used for carrying out cascading failure analysis on a power system. The method comprises the following steps of S1, establishing an information network topology of the power CPS; S2, carrying out cellular operation on all elements in the power CPS, and determining a state conversion form among cells, wherein after the cellular operation is carried out on the elements in the power CPS, the elements comprise physical cells andinformation cells; S3, establishing a physical cellular automaton model and an information cellular automaton model; and S4, fusing the physical cellular automaton model and the information cellular automaton model, and determining a power CPS cascading failure model according to a coupling mode and coupling strength. A power system fault result under mutual effect of a power CPS double-layer system, and fault distribution and diffusion condition is output visually.

Description

technical field [0001] The invention belongs to the technical field of electric power CPS fault analysis, and in particular relates to a method for establishing a cascading fault model of electric power CPS based on cellular automata. Background technique [0002] As the core system of the Energy Internet, the modern power system has developed to a large extent into a type of power CPS (Cyber ​​Physical System). The deep integration of the information network and the power network makes the power system have the advantages of flexibility, autonomy, and high efficiency, and better serves the energy Internet. However, it also makes the power CPS face imperfect basic theories and system models, vulnerabilities, and security. and standardization challenges. [0003] On the one hand, the deep integration of the information network and the power network increases the vulnerability of the grid structure of the power system. When the information network or the grid structure of th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24
CPCH04L41/065H04L41/145H04L41/147
Inventor 刘捷吕磊黄林吴红王电钢
Owner INFORMATION & TELECOMM COMPANY SICHUAN ELECTRIC POWER
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