PRELIMINARY APPLICATION OF GREY RELATIONAL ANALYSIS TO INSULATION FAULT DIAGNOSIS FOR CAPACITIVE EQUIPMENT

WANG Nan; LU Fang-cheng; LI He-ming

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PRELIMINARY APPLICATION OF GREY RELATIONAL ANALYSIS TO INSULATION FAULT DIAGNOSIS FOR CAPACITIVE EQUIPMENT

更新时间：2025-04-26

- PRELIMINARY APPLICATION OF GREY RELATIONAL ANALYSIS TO INSULATION FAULT DIAGNOSIS FOR CAPACITIVE EQUIPMENT
- High VoltageApparatus Issue 5, Pages: 32-35(2003)
- 作者机构：
  
  1. 华北电力大学
  2. 华北电力大学河北保定 071003
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP277
- Published：2003
- 稿件说明：
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[1]王楠,律方成,李和明.灰关联分析在电容型设备绝缘故障诊断中的应用初探[J].高压电器,2003(05):32-35.

WANG Nan, LU Fang-cheng, LI He-ming. PRELIMINARY APPLICATION OF GREY RELATIONAL ANALYSIS TO INSULATION FAULT DIAGNOSIS FOR CAPACITIVE EQUIPMENT[J]. High voltageapparatus, 2003, (5): 32-35.
[1]王楠,律方成,李和明.灰关联分析在电容型设备绝缘故障诊断中的应用初探[J].高压电器,2003(05):32-35. DOI：

WANG Nan, LU Fang-cheng, LI He-ming. PRELIMINARY APPLICATION OF GREY RELATIONAL ANALYSIS TO INSULATION FAULT DIAGNOSIS FOR CAPACITIVE EQUIPMENT[J]. High voltageapparatus, 2003, (5): 32-35. DOI：

摘要

在线监测电容型设备绝缘所获得的tanδ值是波动的

这与环境温湿度、电压等外界因素的影响有关。笔者分析了这些因素对tanδ的影响后

引入了灰关联分析来量化tanδ序列变化与各因素序列变化的接近性

并通过对灰关联度排序实现故障诊断

实例分析验证了方法的有效性。最后

对灰关联分析在电容型设备故障诊断中的应用提出了一些建议。

Abstract

Due to influence of some factors such as ambient temperature

humidity and bus voltage

the on-line measured dielectric dissipation factor tanδ of capacitive equipment is fluctuant. In this paper

the influence of those factors on tanδ is analyzed. Then grey relational analysis is introduced to quantify similarity between tanδ data series and effective factor data series. Through sorting grey relational degree

the fault diagnosis is realized. A practical case shows the approach is valid. Finally

proposals are provided for further application of grey relational analysis to insulation fault diagnosis for capacitive equipment.

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