Application of ultrasonic sensor in partial discharge of generator stator

YANG Yong-ming1; JIANG Fan1; QIU Xiu-jun2; RAN Long-yi3; XIAO Ming-wei1; FU Yi-kui1

doi:10.13873/j.1000-97872011.11.015

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Application of ultrasonic sensor in partial discharge of generator stator

更新时间：2025-09-11

- Application of ultrasonic sensor in partial discharge of generator stator
- Vol. 30, Issue 11, Pages: 146-148(2011)
- 作者机构：
  
  1. 重庆大学输配电装备及系统安全与新技术国家重点试验室
  2. 四川建筑职业技术学院
  3. 重庆化工职业学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872011.11.015
  CLC： TM307;TP212.9
- Published：2011
- 稿件说明：
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[1]杨永明,江帆,邱秀君,冉隆毅,肖明伟,付一奎.超声传感器在电机定子局部放电研究中的应用[J].传感器与微系统,2011,30(11):146-148.

YANG Yong-ming1, JIANG Fan1, QIU Xiu-jun2, et al. Application of ultrasonic sensor in partial discharge of generator stator[J]. 2011, 30(11): 146-148.
[1]杨永明,江帆,邱秀君,冉隆毅,肖明伟,付一奎.超声传感器在电机定子局部放电研究中的应用[J].传感器与微系统,2011,30(11):146-148. DOI： 10.13873/j.1000-97872011.11.015.

YANG Yong-ming1, JIANG Fan1, QIU Xiu-jun2, et al. Application of ultrasonic sensor in partial discharge of generator stator[J]. 2011, 30(11): 146-148. DOI： 10.13873/j.1000-97872011.11.015.

摘要

在利用超声波进行发电机定子绕组局部放电的在线监测中

超声传感器的选型、超声波信号的衰减以及时延性都将影响到在线监测的效果。鉴于此

通过将发电机正常运行时的噪声频谱与局部放电超声信号频谱进行分析对比

并建立定子模型

通过仿真实验获取超声波传播时的声压分布图;再通过实验检测对超声信号在传播过程中的衰减与时延性进行分析研究。提出超声传感器的选型依据

并为局部放电的超声波传播特性和局部放电定位的后续研究奠定基础。

Abstract

During online monitoring using ultrasonic wave for partial discharge of generator stator winding

the effect of online monitoring will be affected by the selection of ultrasonic sensor

the attenuation and time delay of ultrasonic wave signal.The noise spectrum of the generator in normal operation and the partial discharge ultrasonic signal spectrum are compared and analyzed;and the stator model is established.The sound pressure distribution diagram during the ultrasonic wave propagation will be obtained through simulation experiment.The attenuation and time delay of ultrasonic signals propagation are analyzed and studied by the experimental detection.The selection basis of the ultrasonic sensor is put forward.And it laid the foundation for the future studies on the features of ultrasonic wave propagation and the partial discharge location.

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references

发电机定子绕组局部放电超声波在线定位分析 [J]. 汪泉弟,杨承河,杨永明,张宇鹏,陆俊杰. 重庆大学学报 . 2009(10)

超声传感技术在电气设备故障诊断中的应用 [J]. 舒乃秋,胡芳,周粲. 传感器技术 . 2003(05)

电气设备局部放电的超声波检测方法研究 [D]. 张宇鹏. 重庆大学 2009

电力设备的在线监测与故障诊断[M]. 清华大学出版社 , 王昌长,李福祺,高胜友编著, 2006

超声手册[M]. 南京大学出版社 , 冯若主编, 1999

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