Research on Microwave-based Non-destructive Testing for Internal Defect Detection of Fullsize Composite Insulator

MEI Hongwei; CHEN Jie; GAO Song; WANG Liming; GUAN Zhicheng

doi:10.13296/j.1001-1609.hva.2020.03.013

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Research on Microwave-based Non-destructive Testing for Internal Defect Detection of Fullsize Composite Insulator

更新时间：2025-04-26

- Research on Microwave-based Non-destructive Testing for Internal Defect Detection of Fullsize Composite Insulator
- High VoltageApparatus Vol. 56, Issue 3, Pages: 87-93(2020)
- 作者机构：
  
  1. 清华大学深圳研究生院
  2. 国网江苏省电力有限公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.03.013
  CLC： TM216
- Published：2020
- 稿件说明：
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[1]梅红伟,陈洁,高嵩,王黎明,关志成.全尺寸复合绝缘子内部缺陷微波无损检测研究[J].高压电器,2020,56(03):87-93.

MEI Hongwei, CHEN Jie, GAO Song, et al. Research on Microwave-based Non-destructive Testing for Internal Defect Detection of Fullsize Composite Insulator[J]. High voltageapparatus, 2020, 56(3): 87-93.
[1]梅红伟,陈洁,高嵩,王黎明,关志成.全尺寸复合绝缘子内部缺陷微波无损检测研究[J].高压电器,2020,56(03):87-93. DOI： 10.13296/j.1001-1609.hva.2020.03.013.

MEI Hongwei, CHEN Jie, GAO Song, et al. Research on Microwave-based Non-destructive Testing for Internal Defect Detection of Fullsize Composite Insulator[J]. High voltageapparatus, 2020, 56(3): 87-93. DOI： 10.13296/j.1001-1609.hva.2020.03.013.

摘要

为减少由复合绝缘子内部缺陷造成的事故隐患

研究了基于微波理论的全尺寸复合绝缘子内部缺陷无损检测方法

提出了适用于该检测方法的数据处理及判定依据。根据所提出的理论

研制了由微波检测系统与自动化系统组成的全尺寸110 kV复合绝缘子自动化无损检测试验平台

制备了多种带有人造缺陷的全尺寸110 kV复合绝缘子样品。通过使用试验平台对人造样品的检测

得出了该方法对于气隙、碳化、金属缺陷的检测特征及精度。同时试验结果验证了所提出的理论的可行性与所研制的设备的可靠性。

Abstract

To reduce the risk of accidents caused by the internal defects of composite insulators

we proposed a microwave non-destructive testing theory for the internal defects of the full-size 110 kV composite insulators.And proposed a data processing method which is applicable to this theory.According to the proposed theory

we have developed an automated non-destructive testing platform for full-size 110 kV composite insulators

which is consisting of microwave detection system and automation system.And prepared a full range of 110 kV composite insulator samples with artificial defects for the testing detection.By the testing of the artificial samples

the detection characteristics and accuracy of this method for air gap

carbonization

and metal defects have been obtained.At the same time

the feasibility of the proposed theory and the reliability of the platform have been verified by the test results.

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