Contamination Degree Evaluation Model for Insulator Based on Surface Polluted Layer Conductivity

SONG Yi

doi:10.13296/j.1001-1609.hva.2014.09.019

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Contamination Degree Evaluation Model for Insulator Based on Surface Polluted Layer Conductivity

更新时间：2025-04-26

- Contamination Degree Evaluation Model for Insulator Based on Surface Polluted Layer Conductivity
- High VoltageApparatus Vol. 50, Issue 9, Pages: 106-110(2014)
- 作者机构：
  
  江苏省送变电公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2014.09.019
  CLC： TM216
- Published：2014
- 稿件说明：
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[1]宋毅.基于污层电导率评估绝缘子污秽度模型研究[J].高压电器,2014,50(09):106-110.

SONG Yi. Contamination Degree Evaluation Model for Insulator Based on Surface Polluted Layer Conductivity[J]. High voltageapparatus, 2014, 50(9): 106-110.
[1]宋毅.基于污层电导率评估绝缘子污秽度模型研究[J].高压电器,2014,50(09):106-110. DOI： 10.13296/j.1001-1609.hva.2014.09.019.

SONG Yi. Contamination Degree Evaluation Model for Insulator Based on Surface Polluted Layer Conductivity[J]. High voltageapparatus, 2014, 50(9): 106-110. DOI： 10.13296/j.1001-1609.hva.2014.09.019.

摘要

合理选择表征污秽绝缘子运行状态的特征量

建立科学的数学模型

可有效地评估绝缘子的污秽程度

定量划分污秽水平

为输电线路运行维护提供可靠依据。笔者通过人工污秽试验得到了5种典型结构绝缘子在不同污秽度下的污层电导率值

选用最小二乘法对试验结果进行拟合推导

得到评估绝缘子污秽度的数学模型

并对模型进行了试验验证。研究结果对绝缘子污闪预警评估具有重要的科学价值。

Abstract

The contamination extent of polluted insulators can be evaluated quantitatively by reasonably selecting the features that can characterize the operation state of polluted insulators and establishing scientific mathematical models

so as to provide a reliable basis for the maintenance of transmission lines. In this paper

by means of artificial pollution test

the pollution layer conductivity values of five typical structures of insulator with different pollution degrees are obtained. The test results are fitted and calculated by using the least squares method to get a mathematical evaluation model of insulator contamination degree

and the model is verified by experiments. This study may be applied to insulator’s pollution flashover assessment and warning.

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