Condition Identification of High-voltage Transmission Lines

YANG Wei-guo1; LIU Jian2

doi:10.13296/j.1001-1609.hva.2012.07.015

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Condition Identification of High-voltage Transmission Lines

更新时间：2025-04-26

- Condition Identification of High-voltage Transmission Lines
- High VoltageApparatus Vol. 48, Issue 7, Pages: 62-65(2012)
- 作者机构：
  
  1. 许继集团公司
  2. 江苏省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2012.07.015
  CLC： TM751
- Published：2012
- 稿件说明：
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[1]杨伟国,刘建.高压导电线路导线状态辨识研究[J].高压电器,2012,48(07):62-65.

YANG Wei-guo1, LIU Jian2. Condition Identification of High-voltage Transmission Lines[J]. High VoltageApparatus, 2012, 48(7): 62-65.
[1]杨伟国,刘建.高压导电线路导线状态辨识研究[J].高压电器,2012,48(07):62-65. DOI： 10.13296/j.1001-1609.hva.2012.07.015.

YANG Wei-guo1, LIU Jian2. Condition Identification of High-voltage Transmission Lines[J]. High VoltageApparatus, 2012, 48(7): 62-65. DOI： 10.13296/j.1001-1609.hva.2012.07.015.

摘要

基于压电元件的弹性波检测技术是近年来发展起来的一种智能检测技术。笔者在实验室条件下把基于弹性波的损伤主动监测技术应用到导电线路的导线状态监测中

分别模拟了覆冰、外悬挂物体状态形式

提取了导线在不同状态监测信号的幅值、峰值到达时间、信号的功率谱密度以进行不同状态的辨识研究。研究结果表明:基于弹性波的主动监测技术具备导电线路导线状态监测的潜力

同时

采用功率谱密度作为导线状态监测特征信息可以较好地进行导线不同状态形式的辨识。

Abstract

Elastic wave detecting technology based on piezoelectric sensors is an intelligent detecting technology developed in recent years.In this paper

elastic wave detecting technology is experimentally applied to condition monitoring of transmission lines

such as ice-coating condition and object-hanging condition.Condition identification is studied by using the amplitude

peak arrival time and power spectral density（PSD）of the monitoring signals.Results show that active detecting technology based on elastic wave has potential for condition monitoring of transmission lines

and taking PSD of monitoring signal as characteristic parameter can facilitate the condition identification of transmission lines.

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Related Institution

State Key Laboratory of Transmission & Distribution Equipment and Power System Safety and New Technology,Chongqing University

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