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Communication channel fault probability modeling method

A technology of communication channel and failure probability, applied in transmission monitoring, selection device of multiplexing system, electrical components, etc.

Pending Publication Date: 2022-04-12
SOUTHEAST UNIV +2
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Problems solved by technology

This type of research can be used to explain the occurrence and spread of large-scale cascading failures at the macro level, but because it ignores the physical nature of the two networks, it is not suitable for direct system operation control
And based on the vulnerability index of direct information physical dependence network DCPI: this type of research believes that the failure of communication components will cause the complete failure of its corresponding power system components

Method used

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  • Communication channel fault probability modeling method
  • Communication channel fault probability modeling method
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Embodiment Construction

[0054] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0055] see Figure 1-8 As shown, the present invention is a communication channel failure probability modeling method, including.

[0056] S01: Using the fault tree model of SDH equipment, the fault probability of SDH equipment is obtained according to the historical fault data of each module in the fault tree model, and the communication channel fault probability of communication interruption is obtained. The calculation formula is as follows:

[0057]

[0058...

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Abstract

The invention discloses a communication channel fault probability modeling method, and relates to the technical field of communication channel faults. The method comprises the following steps: in a communication system using a serial communication wide area network protection system, quantitatively analyzing a fault function of communication equipment in the protection system by using a fault tree analysis method, and establishing a communication channel reliability model of communication interruption; establishing a communication channel reliability model based on communication channel delay probability distribution; a system protection communication channel reliability model with a communication interruption factor and a communication channel delay factor is established according to a communication service. In a communication system using a serial communication wide area network protection system, a fault tree analysis method is used for quantitatively analyzing a fault function of communication equipment in the protection system, and a communication channel reliability model of communication interruption is established.

Description

technical field [0001] The invention belongs to the technical field of communication channel failure, in particular to a communication channel failure probability modeling method. Background technique [0002] With the rapid development of smart grid technology, the power system has gradually become a space-time multi-dimensional heterogeneous system in which the information system and the power system are deeply integrated, that is, the power cyber-physical fusion system. As an important link, the high-speed, reliable and secure data communication network provides support for the observability and controllability of the power system. The real-time monitoring, control and protection services of the power system supported by the wide-area communication network can monitor and prevent power system failures in the early stages of development. However, the failure of the communication system (such as interruption, delay or bit error, etc.) will also cause the power system to en...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q11/00H04B17/391
Inventor 汤奕钱胜陈汹许士光杨琪赵子涵
Owner SOUTHEAST UNIV
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