A method for evaluating that condition of overhead transmission line

A technology for overhead transmission lines and state evaluation, applied in the direction of instruments, data processing applications, resources, etc., to achieve the effect of clear structure

Inactive Publication Date: 2019-03-01
ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, there is still no systematic method for evaluating the status of overhead transmission lines.

Method used

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  • A method for evaluating that condition of overhead transmission line
  • A method for evaluating that condition of overhead transmission line
  • A method for evaluating that condition of overhead transmission line

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Embodiment Construction

[0033] In order to better understand the present invention, the present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0034] Such as figure 1 and figure 2 As shown, a method for evaluating the state of an overhead transmission line is characterized in that it includes the following steps:

[0035] (1) Establish a fault characteristic parameter set: conduct FMEA analysis on the overhead transmission line, divide the common faults of the overhead transmission line into N parts, and establish the fault characteristic parameter set of the overhead transmission line, and the corresponding fault characteristic parameters are {X 1 ,X 2 ,...,X N}; where N=7, specifically, tower defects, foundation defects, ground wire defects, insulator defects, fitting defects, guy wire defects and ancillary facility defects.

[0036] (2) Establish the logical relationship between the fault characteristic parameters and construct th...

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Abstract

The invention relates to the technical field of transmission line condition evaluation, in particular to an overhead transmission line condition evaluation method. The invention can solve the problemsof huge transmission line structure, various fault modes, various influencing factors and great difficulty in evaluation, and the method has the advantages of clear structure and convenient application in engineering practice. The method of the invention can quickly calculate the probability of various faults of the transmission line, thereby obtaining the operation risk level of the transmissionline under various operation conditions, and providing a scientific reference basis for guiding the operation dispatching of the power network, inspecting and patrolling, and formulating the line special dimension and special patrol plan. According to the invention, the operation status of the transmission line can be evaluated, and the operation and maintenance personnel can be guided to formulate corresponding maintenance strategies in time, so as to carry out the operation and maintenance of the transmission line differentially.

Description

technical field [0001] The invention relates to the technical field of status evaluation of transmission lines, in particular to a method for status evaluation of overhead transmission lines. Background technique [0002] The overhead transmission line is an important part of the power system and the lifeblood of the power transmission system. Its main function is to transmit electric energy. The operating status of overhead transmission lines has a direct and huge impact on the reliability of the entire system. With the continuous development of social economy, the scale of the power network is also increasing, and the number of overhead transmission lines will also increase. At the same time, the failure of overhead transmission lines due to transportation, installation, quality, etc. not only affects the transmission capacity of the power system, It may also cause large-scale power outages in the power system and bring huge losses to the power system and the national eco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/0635G06Q10/0639G06Q50/06
Inventor 王乐朱时阳黄志都俸波
Owner ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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