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System for monitoring vibration frequency of high-voltage transmission conductor on line

A technology of vibration frequency and high-voltage power transmission, which is applied in signal transmission systems, measuring devices, and measuring ultrasonic/sonic/infrasonic waves. It can solve problems such as device damage and inaccurate measurement results, and achieve burden reduction and strong anti-electromagnetic interference. Effect

Inactive Publication Date: 2013-11-13
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is strong electromagnetic interference around high-voltage transmission lines. Traditional devices that use electricity as the sensing quantity are susceptible to interference from this environment, resulting in inaccurate measurement results and even damage to the device.

Method used

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  • System for monitoring vibration frequency of high-voltage transmission conductor on line
  • System for monitoring vibration frequency of high-voltage transmission conductor on line
  • System for monitoring vibration frequency of high-voltage transmission conductor on line

Examples

Experimental program
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Embodiment Construction

[0041] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0042] see figure 1 , figure 2 and image 3 , an on-line monitoring system for the vibration frequency of a high-voltage transmission wire, which includes a data acquisition terminal 3 and a data monitoring center 1, and the data acquisition terminal 3 transmits the collected data information to the data monitoring center 1 through a GSM communication network; the data acquisition Terminal 3 includes optical fiber 7, FBG optical fiber strain sensor 5, first controller module, SLED light source module, optical performance detection module (OPM), circulator, power supply module, data storage module, temperature and humidity detection module, first GSM wireless Network communication module, wind speed measurement module, real-time clock module and first level converter; the first controller module, SLED light source module, optical performance detection ...

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Abstract

The invention relates to a system for monitoring the vibration frequency of a high-voltage transmission conductor on line. The system comprises a data acquisition terminal and a data monitoring center, wherein the data acquisition terminal is used for transmitting acquired data information to the data monitoring center through a global system for mobile communications (GSM) network. According to the system, an accurate vibration frequency result can be acquired by the characteristic of high electromagnetic interference resistance of a fiber bragg grating; simultaneously, meteorological data of temperatures, humidity, wind speeds, wind directions and the like in an ambient environment during vibration of the conductor is acquired and is transmitted to the monitoring center through the GSM network which has a wide covering range; and an alarm is given under a bad vibration condition by a vibration characteristic of intelligently recording and analyzing the conductor, and a reference is provided for the design and transformation of subsequent electric power circuits.

Description

technical field [0001] The invention relates to an on-line monitoring system, in particular to an on-line monitoring system for the vibration frequency of a high-voltage transmission wire. Background technique [0002] my country's energy resources are mainly concentrated in the west, and the resources in the east are relatively scarce. The economy in the east is developing rapidly and requires more energy. Power transmission is an economical, clean and efficient way of energy transmission. High-voltage transmission lines are the carriers of high-voltage power transmission. Therefore, the health of high-voltage transmission lines is particularly important. High-voltage transmission lines are usually placed in natural environments and are susceptible to environmental influences, such as breeze. [0003] Breeze vibration of high-voltage transmission lines is a phenomenon of wire vibration caused by wind excitation, and the vibration lasts for a long time, usually several hour...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01H9/00G08C17/02
Inventor 许进代红波
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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