Research on vibration characteristic of transformer in short-circuit current impact

GU Hong-xia; YU Hong; ZHAO Zhen-gang; LI Ying-na; LI Chuan

doi:10.13873/J.1000-9787(2017)08-0042-03

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Research on vibration characteristic of transformer in short-circuit current impact

更新时间：2025-09-11

- Research on vibration characteristic of transformer in short-circuit current impact
- Vol. 36, Issue 8, Pages: 42-44+48(2017)
- 作者机构：
  
  1. 昆明理工大学信息工程与自动化学院
  2. 云南电网有限责任公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2017)08-0042-03
  CLC： TM41
- Published：2017
- 稿件说明：
移动端阅览
[1]谷红霞,于虹,赵振刚,李英娜,李川.短路电流冲击下变压器振动特性研究[J].传感器与微系统,2017,36(08):42-44+48.

GU Hong-xia, YU Hong, ZHAO Zhen-gang, et al. Research on vibration characteristic of transformer in short-circuit current impact[J]. 2017, 36(8): 42-44+48.
[1]谷红霞,于虹,赵振刚,李英娜,李川.短路电流冲击下变压器振动特性研究[J].传感器与微系统,2017,36(08):42-44+48. DOI： 10.13873/J.1000-9787(2017)08-0042-03.

GU Hong-xia, YU Hong, ZHAO Zhen-gang, et al. Research on vibration characteristic of transformer in short-circuit current impact[J]. 2017, 36(8): 42-44+48. DOI： 10.13873/J.1000-9787(2017)08-0042-03.

摘要

针对短路电流的冲击下

变压器振动特性研究

构造了短路电流对变压器振动影响的冲击平台

研究了传递函数相关系数的分布规律以及相关系数阈值选择。在此基础上

通过波形时域分析以及仿真研究

探讨了绕组短路故障对传递函数的影响

得出了预紧力与相关系数的关系

最终

明确了短路电流冲击下变压器振动特性的关系

为进一步利用振动法分析变压器故障奠定了基础。

Abstract

Under the impact of short-circuit current

the vibration characteristics of transformer is an important feature of vibration analysis method. To study this feature

firstly construct impact platform of influence of shortcircuit current on transformer vibration

and then use this platform to study the distribution rule of correlation coefficient of transfer function and correlation coefficient threshold selection. On this basis

by waveform timedomain analysis and simulation research

explore the effects of winding short-circuit fault on transfer function

and finally study the relationship between the preload and the correlation coefficient

via the above study

define the relationship between the vibration characteristics of transformers under impact of short-circuit current

it laid the foundation for further analysis on transformer fault by vibration method.

关键词

Keywords

references

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