Emerging Field Grading Spacer Magnetron Sputtered with a CCTO Layer for DC GIL/GIS

Jin Li; Yufan Wang; Mi Xiao; Hucheng Liang; Hang Yao; Boxue Du

doi:10.17775/CSEEJPES.2021.04340

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Emerging Field Grading Spacer Magnetron Sputtered with a CCTO Layer for DC GIL/GIS

Regular Papers | 更新时间：2026-10-15

- Emerging Field Grading Spacer Magnetron Sputtered with a CCTO Layer for DC GIL/GIS
- Emerging Field Grading Spacer Magnetron Sputtered with a CCTO Layer for DC GIL/GIS
- 中国电机工程学会电力与能源系统学报(英文) 2025年11卷第3期页码：1408-1415
- 作者机构：
  
  Key Laboratory of Smart Grid of Education Ministry, School of Electrical and Information Engineering, Tianjin University,Tianjin,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2021.04340
  中图分类号：
- 纸质出版：2025-05-01
- 稿件说明：
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Jin Li, Yufan Wang, Mi Xiao, 等. Emerging Field Grading Spacer Magnetron Sputtered with a CCTO Layer for DC GIL/GIS[J]. 中国电机工程学会电力与能源系统学报(英文), 2025,11(3):1408-1415.

Jin Li, Yufan Wang, Mi Xiao, et al. Emerging Field Grading Spacer Magnetron Sputtered with a CCTO Layer for DC GIL/GIS[J]. CSEE Journal of Power and Energy Systems, 2025, 11(3): 1408-1415.
Jin Li, Yufan Wang, Mi Xiao, 等. Emerging Field Grading Spacer Magnetron Sputtered with a CCTO Layer for DC GIL/GIS[J]. 中国电机工程学会电力与能源系统学报(英文), 2025,11(3):1408-1415. DOI： 10.17775/CSEEJPES.2021.04340.

Jin Li, Yufan Wang, Mi Xiao, et al. Emerging Field Grading Spacer Magnetron Sputtered with a CCTO Layer for DC GIL/GIS[J]. CSEE Journal of Power and Energy Systems, 2025, 11(3): 1408-1415. DOI： 10.17775/CSEEJPES.2021.04340.

摘要

Abstract

Insulation failures of epoxy spacers applied in gas insulated transmission line/switchgear (GIL/GIS) often occur

primarily due to electric field distortion. In this paper

a field graded coating CaCu3Ti4012 (CCTO) is presented to enhance the flashover performance of a GIL/GIS spacer. First

CCTO layers of different thicknesses are deposited on the spacer surface using magnetron sputtering technology. Then

insulating properties of these sputtered spacers under alternating current

direct current

and polarity reversal (PR) voltages and with the existence of metal particles are researched by experimental and simulation methods. Results show the short-term (30 and 60 min) sputtering treatments have no obvious effect on improving insulating properties.

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