Ultrasonic Signal Characteristics Research of Metallic Defects in GIS Based on the Flight Graph Mode

TAN Xiang-yu 1; YANG Zhuo 2; ZHAO Xian-ping 3; WANG Ke 3; PENG Jing 3; WANG Wei-dong 3

doi:10.13296/j.1001-1609.hva.2013.05.017

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Ultrasonic Signal Characteristics Research of Metallic Defects in GIS Based on the Flight Graph Mode

更新时间：2025-04-26

- Ultrasonic Signal Characteristics Research of Metallic Defects in GIS Based on the Flight Graph Mode
- High VoltageApparatus Vol. 49, Issue 5, Pages: 90-94(2013)
- 作者机构：
  
  1. 西安交通大学
  2. 云南电网公司
  3. 云南电力试验研究院(集团)有限公司电力研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.05.017
  CLC： TM595
- Published：2013
- 稿件说明：
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[1]谭向宇,杨卓,赵现平,王科,彭晶,王卫东.基于飞行图模式的GIS内金属性缺陷超声信号特性研究[J].高压电器,2013,49(05):90-94.

TAN Xiang-yu 1, YANG Zhuo 2, ZHAO Xian-ping 3, et al. Ultrasonic Signal Characteristics Research of Metallic Defects in GIS Based on the Flight Graph Mode[J]. High voltageapparatus, 2013, 49(5): 90-94.
[1]谭向宇,杨卓,赵现平,王科,彭晶,王卫东.基于飞行图模式的GIS内金属性缺陷超声信号特性研究[J].高压电器,2013,49(05):90-94. DOI： 10.13296/j.1001-1609.hva.2013.05.017.

TAN Xiang-yu 1, YANG Zhuo 2, ZHAO Xian-ping 3, et al. Ultrasonic Signal Characteristics Research of Metallic Defects in GIS Based on the Flight Graph Mode[J]. High voltageapparatus, 2013, 49(5): 90-94. DOI： 10.13296/j.1001-1609.hva.2013.05.017.

摘要

为研究气体绝缘开关装置GIS（gas insulated switchgear）内金属性缺陷的超声信号特性

以及基于金属性缺陷超声信号特性判别缺陷状态的方法

笔者建立了一套超声波测量系统

并设计了GIS内部固定金属性缺陷模型

分别是高压导体上尖刺、悬浮电位、绝缘子上微粒和地电极上尖刺。笔者采用该测量系统拾取了以上绝缘缺陷的超声波脉冲信号。在此大量实验数据基础上

分析了GIS内金属性缺陷超声信号特性。为进一步量化分析

笔者建立了基于超声信号的飞行图图谱（相邻脉冲发生时间间隔Δt与前一脉冲幅值u的关系）。试验结果分析表明

依据飞行图模式的GIS内金属性缺陷超声信号特性

可区分金属性缺陷类型。

Abstract

To research the ultrasonic signal characteristics of the metallic defects states in GIS（gas insulated switchgear）and the method based on ultrasonic characteristics of metallic defects that recognize the states of the defects

the ultrasonic measurement system is constructed in this paper based on the ultrasonic sensor.The models of fixed metallic defects are designed

which are the tip on the high voltage electrode

floating potential

the particle on the spacer

and the tip on the ground electrode.The measurement system is used to acquire the ultrasonic signal of these defects.Based on much experimental data

the method of distinguishing typical defects in GIS is proposed based on the flight graph mode.And the ultrasonic characteristics of the metallic defects are analyzed in GIS.To analyze quantitatively

furthermore

the flight graph mode u-Δt of ultrasonic signal is constructed（magnitude difference u between adjacent pulses

time difference between ultrasonic pulses Δt）.The results show that the characteristics of ultrasonic signal based on the flight graph mode can be used to differentiate the types of metallic defects.

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TAN Xiang-yu1

YANG Zhuo4

ZHAO Xian-ping2

WANG Da-da2

WANG Ke2

PENG Jing2

WANG Wei-dong2

Related Institution

Post-doctoral Scientific Research Workstation of Yunnan Power Grid Corporation

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