Mechanical Condition Monitoring of On-load Tap Changer Based on Recurrence Quantification Analysis

FAN Jiahao; WANG Fenghua; ZHENG Yiming; HE Wenlin

doi:10.13296/j.1001-1609.hva.2019.11.029

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Mechanical Condition Monitoring of On-load Tap Changer Based on Recurrence Quantification Analysis

更新时间：2025-04-26

- Mechanical Condition Monitoring of On-load Tap Changer Based on Recurrence Quantification Analysis
- High VoltageApparatus Vol. 55, Issue 11, Pages: 197-203+217(2019)
- 作者机构：
  
  1. 上海电力学院电气工程学院
  2. 上海交通大学电气工程系
  3. 国网浙江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.2019.11.029
  CLC： TM403.4
- Published：2019
- 稿件说明：
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[1]樊家昊,王丰华,郑一鸣,何文林.基于递归定量分析的有载分接开关机械状态监测[J].高压电器,2019,55(11):197-203+217.

FAN Jiahao, WANG Fenghua, ZHENG Yiming, et al. Mechanical Condition Monitoring of On-load Tap Changer Based on Recurrence Quantification Analysis[J]. High voltageapparatus, 2019, 55(11): 197-203+217.
[1]樊家昊,王丰华,郑一鸣,何文林.基于递归定量分析的有载分接开关机械状态监测[J].高压电器,2019,55(11):197-203+217. DOI： 10.13296/j.1001-1609.hva.2019.11.029.

FAN Jiahao, WANG Fenghua, ZHENG Yiming, et al. Mechanical Condition Monitoring of On-load Tap Changer Based on Recurrence Quantification Analysis[J]. High voltageapparatus, 2019, 55(11): 197-203+217. DOI： 10.13296/j.1001-1609.hva.2019.11.029.

摘要

为进一步提高有载分接开关（on-load tap changer

OLTC）机械状态监测的准确性

文中基于递归定量分析（recurrence quantification analysis

RQA）法对OLTC切换过程中的振动信号进行了分析。首先应用相空间重构和递归图理论获取了OLTC切换过程中振动信号的递归图

然后引入递归率、层流性和确定性等递归定量指标及其统计分布结果对OLTC振动信号的动力学特征进行了描述。对某CM型组合式OLTC正常与典型故障下振动信号的分析结果表明:OLTC从正常到典型机械故障的演变过程中

振动信号伴随有周期性减弱、预测性增强、平稳性提高的变化特性

所定义的振动信号的RQA指标的分布范围可较为准确地判断OLTC的运行状态。研究结果可为基于振动分析法的OLTC机械状态监测技术提供参考。

Abstract

To further improve the accuracy of mechanical condition monitoring of on-load tap changer（OLTC）

the recurrence quantification analysis（RQA）is presented to analyze the vibration signals during its switch-over process.Firstly

the phase space reconstruction technique and the recursion theory are adopted to obtain the recurrence plot of the vibration signals. Then

the recurrence rate

laminarity

determinism and their statistical distribution results are introduced to describe the dynamic characteristics of the vibration signals. Analysis results of a CM-type OLTC under normal and typical fault conditions show that the OLTC vibration signals vary with the features of periodicity weakening

predictability strengthening and stationarity improving during the transition process of the OLTC from normal condition to fault condition. The distribution range of the defined RQA index can be used to evaluate the operation condition of the OLTC with high accuracy. This research may provide reference for condition monitoring technology of OLTC based on the vibration analysis method.

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