Optical Sensing Technologies for Gas-Insulated Equipment: Advances and Perspectives

Weiqi Qin; Tiejun Ma; Xianhao Fan; Jiaming Li; Zhecheng Zhang; Junbo Li; Yuan Wang; Yixuan Zhou; Chuanyang Li; Guoming Ma; Jun Hu; Jinliang He

doi:10.17775/CSEEJPES.2025.05930

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Optical Sensing Technologies for Gas-Insulated Equipment: Advances and Perspectives

Special Issue Commemorating the 10<sup>th</sup> Anniversary of CSEE Journal of Power and Energy Systems | 更新时间：2026-10-16

- Optical Sensing Technologies for Gas-Insulated Equipment: Advances and Perspectives
- Optical Sensing Technologies for Gas-Insulated Equipment: Advances and Perspectives
- 中国电机工程学会电力与能源系统学报(英文) 2025年11卷第6期页码：2983-3011
- 作者机构：
  
  1. Department of Electrical Engineering, Tsinghua University,Beijing,China
  2. Fujian Fuqing Nuclear Power Co., Ltd.,Fuzhou,China
  3. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University,Beijing,China
  4. School of Mechanics and Engineering Science, Peking University,Beijing,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2025.05930
  中图分类号：
- 纸质出版：2025-11-01
- 稿件说明：
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Weiqi Qin, Tiejun Ma, Xianhao Fan, 等. Optical Sensing Technologies for Gas-Insulated Equipment: Advances and Perspectives[J]. 中国电机工程学会电力与能源系统学报(英文), 2025,11(6):2983-3011.

Weiqi Qin, Tiejun Ma, Xianhao Fan, et al. Optical Sensing Technologies for Gas-Insulated Equipment: Advances and Perspectives[J]. CSEE Journal of Power and Energy Systems, 2025, 11(6): 2983-3011.
Weiqi Qin, Tiejun Ma, Xianhao Fan, 等. Optical Sensing Technologies for Gas-Insulated Equipment: Advances and Perspectives[J]. 中国电机工程学会电力与能源系统学报(英文), 2025,11(6):2983-3011. DOI： 10.17775/CSEEJPES.2025.05930.

Weiqi Qin, Tiejun Ma, Xianhao Fan, et al. Optical Sensing Technologies for Gas-Insulated Equipment: Advances and Perspectives[J]. CSEE Journal of Power and Energy Systems, 2025, 11(6): 2983-3011. DOI： 10.17775/CSEEJPES.2025.05930.

摘要

Abstract

Gas-insulated equipment (GIE) plays a critical role in modern power systems

where reliable and accurate condition monitoring is essential for operational safety. Optical sensing technologies

benefiting from immunity to electromagnetic interference

high sensitivity

and adaptability to harsh environments

offer promising alternatives to traditional electrical sensors. This review presents a comprehensive survey of optical sensing technologies for GIE

including fiber Bragg gratings (FBG)

fiber-optic interferometry

distributed acoustic and temperature sensing

gas absorption spectroscopy

and electric-field detection based on the electro-optic (EO) effect. The fundamental principles

implementation schemes

and typical applications of each method are systematically analyzed. Despite the demonstrated advantages

challenges remain in sensor packaging reliability

optical coupling efficiency

and long-term stability. Future research should focus on enhancing system robustness

spatial resolution

and integration with digital twins and intelligent diagnostic frameworks. This work seeks to bridge GIE and optical sensing technologies

facilitating the development and deployment of high-reliability optical sensing systems for the monitoring of next-generation GIE.

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