Overhead power transmission line ground wire mechanical monitoring and analyzing method

An overhead transmission line and analysis method technology, which is applied in the field of mechanical mechanics monitoring and analysis of overhead transmission line conductors, can solve the problem that there is no monitoring and analysis method for overhead transmission line conductors, and the monitoring device cannot be guaranteed to work continuously and effectively. The problems such as the immature technology of the auxiliary equipment of the device can achieve the effect of reliable decision-making and development of the power grid, avoiding short power supply life and high practicability.

Active Publication Date: 2021-02-09
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1) The sensor power supply is wind power, photovoltaic power supply or a combination of the two. It is exposed to the natural environment and has a short life. In most cases, it will be damaged within a few months, which cannot guarantee the continuous and effective operation of the monitoring device;
[0004] 2) Traditional sensors only perform qualitative detection of appearances, and cannot detect the force data of line materials (components), and cannot form digital analysis, making it difficult to achieve refined management of transmiss

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0036]Example 1,

[0037]On-line monitoring of overhead transmission lines in a major industrial town is configured using the present invention (a monitoring and analysis method for ground conductors of overhead transmission lines) to realize the full status, high precision and refinement of all components of the overhead transmission lines within the town. Detection. The range of townships is about 60km, and major heavy industry manufacturers are located in the suburbs. The transmission lines are of high grade and reliability requirements. All the detections above 35kV are realized.

[0038]A monitoring and analysis method for ground conductors of overhead transmission lines is realized through the following process.

[0039]According to the present invention, preferably, the ground conductor monitoring module transmits real-time, comprehensive and detailed mechanical data information of the ground conductor of the overhead transmission line to the data processing and analysis module: the o...

Example Embodiment

[0043]Example 2,

[0044]As described in Example 1, the method for monitoring and analyzing the ground wire of overhead transmission lines, the difference is that the line is located in a remote mountainous area and there are fewer lines. One main device can meet the needs. The other point is that there is no power supply nearby. Two new circuits are built from the nearest power supply for power supply.

Example Embodiment

[0045]Example 3.

[0046]According to the method for monitoring and analyzing the ground wire of overhead transmission lines as described in Embodiment 1, the difference is that the line is located in the urban area, and there are fewer lines with high voltage levels, and one main device can meet the needs.

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PUM

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Abstract

The invention provides an overhead power transmission line ground wire monitoring and analyzing method which comprises a ground wire monitoring module, an intelligent power transmission line ground wire operation state judgment module, a power supply module, a communication module, a data processing and analyzing module and an intelligent early warning decision module. According to the invention,a high-precision optical fiber sensing technology is introduced into ground wire monitoring, and key stress materials of an overhead transmission line tower are accurately detected so that online monitoring is more comprehensive and accurate.

Description

technical field [0001] The invention relates to a mechanical monitoring and analysis method for ground wires of overhead transmission lines, which belongs to the technical field of electric power industry. Background technique [0002] In recent years, the power grid system has paid more and more attention to the online monitoring of transmission lines, and made great efforts to conduct research on online monitoring of transmission lines. After applying the research results to actual lines, unexpected problems occurred: [0003] 1) The sensor power supply is wind power, photovoltaic power supply or a combination of the two. It is exposed to the natural environment and has a short life. In most cases, it will be damaged within a few months, which cannot guarantee the continuous and effective operation of the monitoring device; [0004] 2) Traditional sensors only perform qualitative detection of appearances, and cannot detect the force data of line materials (components), and...

Claims

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Application Information

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IPC IPC(8): G01L1/24G01D21/02G01D5/353
CPCG01L1/242G01D21/02G01D5/353Y04S40/124
Inventor 王增君金丽勇宁尚元刘洪亮刘峰
Owner STATE GRID CORP OF CHINA
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