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Intelligent overhead power transmission line capable of implementing broken wire monitoring

A technology for monitoring overhead transmission lines and broken wires, which is applied in the field of overhead transmission lines to overcome low energy conversion efficiency

Pending Publication Date: 2020-01-17
内蒙古电力(集团)有限责任公司内蒙古超高压供电分公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there is no perfect intelligent solution that can realize the comprehensive monitoring of structural health for the various technologies that have been disclosed for the monitoring of broken wires of overhead transmission lines.

Method used

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  • Intelligent overhead power transmission line capable of implementing broken wire monitoring
  • Intelligent overhead power transmission line capable of implementing broken wire monitoring
  • Intelligent overhead power transmission line capable of implementing broken wire monitoring

Examples

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with accompanying drawing.

[0030] Such as figure 1 As shown, the specific implementation includes an aluminum-clad steel strand 3 and a broken wire monitoring sensor 2 arranged at least one place on the aluminum-clad steel strand 3, and the aluminum-clad steel strand 3 is used as a transmission line,

[0031] Such as Figure 2-Figure 4 As shown, the broken wire monitoring sensor 2 includes an epoxy resin coating 4 on the surface of the aluminum-clad steel strand 3, an excitation coil 5, a bias magnetic field excitation coil 6, and a coil protection shell 7; the outer surface of the aluminum-clad steel strand 3 is sprayed Epoxy resin coating 4, spray epoxy resin coating 4 on the outer surface of aluminum-clad steel strand 3 within a certain length range at a certain distance, the length of epoxy resin coating 4 is L, and the thickness is w=0.2~ 0.25mm. The epoxy resin coating 4 is sequentially woun...

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Abstract

The invention discloses an intelligent overhead power transmission line capable of implementing broken wire monitoring. The intelligent overhead power transmission line comprises an aluminium-clad steel stranded wire and a broken wire monitoring sensor arranged at a position on the aluminium-clad steel stranded wire; the broken wire monitoring sensor comprises an epoxy resin coating on the surfaceof the aluminium-clad steel stranded wire, an excitation coil, a bias magnetic field excitation coil and a coil protection shell; the epoxy resin coating is sprayed on the outer surface of the aluminium-clad steel stranded wire; the epoxy resin coating is sequentially wound outwards with the excitation coil and the bias magnetic field excitation coil; the part outside the aluminium-clad steel stranded wire around is coated by the coil protection shell; and the output ends of the excitation coil and the bias magnetic field excitation coil are connected to the same sensor cable interface afterprotruding out of the coil protection shell. According to the invention, excitation and receiving of a guided-wave signal in a measured structure can be implemented, electron-phonon coupling efficiency is high, conversion efficiency of energy is greatly improved, and a detection range of an ultrasonic guided wave is enlarged.

Description

technical field [0001] The invention relates to an overhead transmission line, in particular to an overhead transmission line capable of monitoring broken wires, which can be used for outdoor overhead high-voltage transmission lines and the like. Background technique [0002] Transmission lines are the material basis for the development of the electric power industry. Transmission grid facilities are responsible for the transmission and distribution of electric energy. The reliability and operation status of these equipment directly determine the stability and safety of the entire system, as well as the quality and reliability of power supply. Power transmission is an important part of the overall function of the power system. It not only has the characteristics of low power loss, high economic benefits, convenience and flexibility, easy regulation, and less environmental pollution, but also has the characteristics of wide coverage, long lines, and harsh operating environment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/50G01N29/04H01B7/32H01B9/00
CPCG01N29/04H01B7/328H01B9/008
Inventor 岳永刚赵墨林王海生薛彬吕福在胡家群唐志峰
Owner 内蒙古电力(集团)有限责任公司内蒙古超高压供电分公司
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