Flexible smart surface coating for GIS/GIL epoxy insulators

IF 3.8 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Yu-Huai Wang, Zhuo Chen, Jin Li, Zhi-Xiang Liu, Rong Chen, Hein Htet Aung, Hu-Cheng Liang, Bo-Xue Du
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引用次数: 0

Abstract

A flexible smart coating with electroluminescence effect was designed and fabricated on the surface of gas insulated switch gear (GIS)/gas insulated transmission line (GIL) epoxy insulators based on two-step curing process. As the AC voltage increases, the luminous area on the insulator surface expands from the centre to the periphery, and the light intensity shows a linear relationship with the applied voltage. Besides, the flexible smart coating can effectively identify the location of metal particle defects and the degree of electric field distortion. The flexible smart coating enhances the surface flashover voltage due to its higher dielectric constant. Simultaneously, metal particle contamination can substantially reduce the insulation performance of epoxy insulators, particularly when they are located near the high-voltage side. It is hoped that this study can provide a reference for the smart detection of surface defects GIS/GIL basin insulators.

Abstract Image

用于 GIS/GIL 环氧绝缘子的柔性智能表面涂层
基于两步固化工艺,在气体绝缘开关设备(GIS)/气体绝缘输电线路(GIL)环氧绝缘子表面设计并制造了一种具有电致发光效果的柔性智能涂层。随着交流电压的增加,绝缘体表面的发光面积从中心向外围扩展,发光强度与所加电压呈线性关系。此外,柔性智能涂层还能有效识别金属颗粒缺陷的位置和电场畸变程度。由于柔性智能涂层的介电常数较高,它能增强表面闪络电压。同时,金属颗粒污染会大大降低环氧绝缘体的绝缘性能,尤其是当它们位于高压侧附近时。希望本研究能为 GIS/GIL 盆式绝缘子表面缺陷的智能检测提供参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
IET Nanodielectrics
IET Nanodielectrics Materials Science-Materials Chemistry
CiteScore
5.60
自引率
3.70%
发文量
7
审稿时长
21 weeks
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