Analysis of the Typical Interference in Live Detection of GIS Ultrasonic Partial Discharge

FENG Xinyan; ZHAO Tingzhi; YANG Chenglong; XU Yongpeng

doi:10.13296/j.1001-1609.hva.2018.10.039

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Analysis of the Typical Interference in Live Detection of GIS Ultrasonic Partial Discharge

更新时间：2025-04-26

- Analysis of the Typical Interference in Live Detection of GIS Ultrasonic Partial Discharge
- High VoltageApparatus Vol. 54, Issue 10, Pages: 241-245(2018)
- 作者机构：
  
  1. 国网山东省电力公司检修公司
  2. 上海交通大学电气工程系
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.10.039
  CLC： TM595;TM855
- Published：2018
- 稿件说明：
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[1]冯新岩,赵廷志,杨承龙,许永鹏.GIS超声波局放检测现场典型干扰分析[J].高压电器,2018,54(10):241-245.

FENG Xinyan, ZHAO Tingzhi, YANG Chenglong, et al. Analysis of the Typical Interference in Live Detection of GIS Ultrasonic Partial Discharge[J]. High voltageapparatus, 2018, 54(10): 241-245.
[1]冯新岩,赵廷志,杨承龙,许永鹏.GIS超声波局放检测现场典型干扰分析[J].高压电器,2018,54(10):241-245. DOI： 10.13296/j.1001-1609.hva.2018.10.039.

FENG Xinyan, ZHAO Tingzhi, YANG Chenglong, et al. Analysis of the Typical Interference in Live Detection of GIS Ultrasonic Partial Discharge[J]. High voltageapparatus, 2018, 54(10): 241-245. DOI： 10.13296/j.1001-1609.hva.2018.10.039.

摘要

超声波局部放电检测法是检测气体绝缘组合电器（GIS）绝缘状况的重要手段。对GIS进行超声波法局部放电检测时

现场会遇到机械振动、外部电晕干扰和磁致噪声这三种典型的干扰

这三种干扰与放电特征图谱相似

极易对检测人员造成误判。结合现场实测经验

分析了三种典型干扰的信号特征

提出了现场干扰的判别及排除方法。文中提出的干扰辨别及排除方法在现场超声波局放带电检测中取得了良好的效果。

Abstract

Ultrasonic partial discharge detection is widely used to detect partial discharge（PD）of the gas insulationswitchgear. Three kinds of typical interference signal about PD signal of GIS

mechanical vibration

corona interfer-ence

hysteresis noise are described in the passage. The character graph of interference is similar to that of the typi-cal partial discharge. The characteristics of three kinds of interference signal are analyzed

such as frequency-charac-teristic

continuous mode graph and the phase mode graph. Different identification applications are analyzed in thispassage. Identification methods about typical interference signal are effectively used in field ultrasonic measure-ments of GIS.

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Related Author

WANG Wei-dong1

ZHAO Xian-ping3

WANG Da-da3

WANG Ke3

TAN Xiang-yu3

PENG Jing3

LU Junyong

ZHANG Ting

Related Institution

Graduate Workstation of Kunming University of Science and Technology and Yunnan Power Grid Corporation

Kunming University of Science and Technology

Yunnan Electric Power Test & Research Group Co.,Ltd.Electric Power Research Institute

Xi’an High Voltage Apparatus Research Institute Co.,Ltd.

School of Electrical Engineering, Xi’an Jiaotong University

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