Progress in Environment-friendly Gas-insulated Transmission Line（GIL）

GAO Keli; YAN Xianglian; WANG Hao; HE Jie; LI Zhibing; BAI Changyu; LIU Yan; HUANG He

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Progress in Environment-friendly Gas-insulated Transmission Line（GIL）

更新时间：2025-12-08

- Progress in Environment-friendly Gas-insulated Transmission Line（GIL）
- Vol. 44, Issue 10, Pages: 3105-3113(2018)
- 作者机构：
  
  1. 中国电力科学研究院有限公司
  2. 平高集团有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 October 2018，
  
  Published：2018
- 稿件说明：
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GAO Keli, YAN Xianglian, WANG Hao, et al. Progress in Environment-friendly Gas-insulated Transmission Line（GIL）[J]. 2018, 44(10): 3105-3113.
DOI：

GAO Keli, YAN Xianglian, WANG Hao, et al. Progress in Environment-friendly Gas-insulated Transmission Line（GIL）[J]. 2018, 44(10): 3105-3113. DOI：

摘要

为了解决SF

气体的温室效应

研究替代SF

气体绝缘的环保型气体绝缘输电线路（GIL）技术

以期提升设备的环保效益。对环保型GIL技术发展进程进行了综述

针对国内开展的压缩空气GIL技术

在理论上探索了设备气压和管道设计的建议;对于SF

/N2混合气体

现有研究较为完善

参考SF

气体GIL设计

获得了气体绝缘特性

提出了绝缘和通流设计原则指导产品设计

220～550k V的SF

/N2混合气体GIL产品均运行正常

也研制出特高压GIL样机;新环保气体C

N具有优良的绝缘和环保性能

N/CO2混合气体应用于420 kV GIL正试运行

研制采用C

N混合气体的特高压环保GIL面临诸多的技术挑战

解决技术难题推动环保绝缘设备的发展。

Abstract

To reduce the greenhouse effect of SF

we investigated the technology of replacing SF

gas insulation by environmental-friendly gas-insulated transmission line（GIL） to improve the environmental-friendly benefits of equipment. Meanwhile

we summarized the development process of environmental-friendly GIL technology

explored the compressed air GIL technology was.

and theoretically suggested the gas pressure and pipeline sizes for GIL design. The current research on SF

/N2 gas mixture is complete. According to the design of SF

GIL

the dielectric strength

insulation design and current-loading ability were obtained to guide GIL design. The products of 220～550 kV GIL with SF

/N2 gas m

ixture are in normal operation. And UHV GIL prototype has been developed. New environment-friendly gas C

N possesses favorable insulation and environment-friendly performances. 420 kV GIL with C

N/CO

gas mixture has been in test operation. There are some technical challenges in developing UHV GIL with C

N gas mixture. It is urged to resolve the technical problems

in order to promote the development of environment-friendly equipment.

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Related Author

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Related Institution

Wuhan NARI Limited Company of State Grid Electric Power Research Institute

School of Electrical Engineering, Wuhan University

School of Electrical Engineering and Automation, Wuhan University

State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources,North China Electric Power University

Hebei Provincial Key Laboratory of Power Transmission Equipment Security Defense, North China Electric Power University

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