GIS不停电扩建及试验技术综述

文雅钦; 殷建刚; 任劼帅; 吴传奇; 李劲彬; 陈隽

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GIS不停电扩建及试验技术综述

更新时间：2025-06-18

- GIS不停电扩建及试验技术综述
- Review for Non-outage Expansion and Testing of Gas-insulated Metal-enclosed Switchgear
- 高压电器 2025年页码：1-12
- 作者机构：
  
  1.国网湖北省电力有限公司电力科学研究院，武汉　 430077
  2.国网湖北省电力有限公司，武汉　 430077
- 作者简介：
  
  文雅钦（1996—），男，硕士，工程师，研究方向为高电压试验技术、技术监督等（E-mail：971578993@qq.com）。
- 基金信息：
  
  国家电网有限公司科技项目(500-202222119A-1-1-ZN)
- DOI：
  中图分类号：
- 纸质出版日期：
- 稿件说明：
移动端阅览
文雅钦, 殷建刚, 任劼帅, 等. GIS不停电扩建及试验技术综述[J/OL]. 高压电器, 2025,1-12.

WEN Yaqin, YIN Jiangang, REN Jieshuai, et al. Review for Non-outage Expansion and Testing of Gas-insulated Metal-enclosed Switchgear[J/OL]. High voltage apparatus, 2025, 1-12.
文雅钦, 殷建刚, 任劼帅, 等. GIS不停电扩建及试验技术综述[J/OL]. 高压电器, 2025,1-12. DOI：

WEN Yaqin, YIN Jiangang, REN Jieshuai, et al. Review for Non-outage Expansion and Testing of Gas-insulated Metal-enclosed Switchgear[J/OL]. High voltage apparatus, 2025, 1-12. DOI：

摘要

当前，各大主流GIS设备厂商的预留扩建间隔接口均采用与母线之间仅设置一个单断口隔离开关加接地开关的设计，该结构在GIS扩建安装与耐压试验时，需要运行母线反复停电甚至双母同停，导致电网结构可靠性、连续性水平显著减低。若停电时负荷无法转移，将可能造成巨大的停电损失，尤其对于经济发达、负荷密集区域，上述问题愈发突出。文中根据近年来国内有关不停电扩建安装及耐压试验技术的研究现状，综述了双断口隔离开关、增设额外隔离装置、增设可拆卸导体3种GIS不停电扩建及试验技术方案要点，总结分析了3种方案需满足的设计条件与气室分隔条件，分析了3种方案在现场实施需要满足的要求，对比分析了3种方案的优缺点，并给出了选用原则，可为GIS母线的不停电扩建、检修及试验提供参考。

Abstract

At present

the reserved expansion bay interfaces of GIS equipment manufacturers are designed with only single-break disconnector and earthing switch installed between the busbar. During the installation and withstand voltage test of GIS expansion

this structure requires repeated power outages or even double busbar power outages

resulting in a significant reduction in the reliability and continuity level of the power grid structure. If the load cannot be transferred during a power outage

it may cause huge power outage losses

especially for economically developed and load intensive areas

where the above issues become increasingly prominent. If the load cannot be transferred during a power outage

it may cause huge power outage losses

especially for economically developed and load intensive areas. In this paper

based on the current research status of non-outage expansion installation and withstand voltage testing technology in recent years

this paper summarizes the key points of non-outage expansion and testing technology schemes for three types of GIS equipment: double-fracture disconnect switchgear

additional isolation device

and removable link. It also summarizes and analyzes the design conditions and air chamber separation conditions that need to be met for the three schemes

and analyzes the requirements that need to be met for on-site implementation of the three schemes

The advantages and disadvantages of three schemes are compared and analyzed

and the selection principles are provided

which can provide reference for units with GIS busbar non-outage expansion

maintenance

and voltage resistance needs.

关键词

Keywords

references

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