Debonding detection in composite insulator using adjacent capacitance
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1.State Grid Zhejiang Electric Power Research Institute Hangzhou China 310014 2 Beijing University of Technology, Beijing Faculty of Materials and Manufacturing Beijing China 100124 3.The 16th Research Institute of Aerospace Science and Technology Group Xian China 710100

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TH7

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    Abstract:

    Towards the safety operation of composite insulators, research was conducted for the nondestructive detection of debonding defects in composite insulator using the method of the adjacent capacitance. The feasibility of adjacent capacitive sensing technique for the detection of debonding defects in multilayer dielectric structures and the effect of electrode width and spacing on the detection capability of adjacent capacitive sensors were investigated through numerical simulations and experiments. It is demonstrated that the adjacent capacitive sensing technique can be used for the detection of debonding defects at the interface of multilayer dielectric structures, and the electrode width and electrode spacing have an effect on its detection performance. The detection efficiency and resolution of the adjacent capacitance detection technique can be improved by optimizing the electrode parameters. The research provides a feasible technical solution for debonding detection in composite insulator.

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  • Received:
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  • Online: September 29,2024
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