Study on Opening and Closing Position Confirmation Method of GIS Disconnector Based on Electromagnetic Transient Process

ZHANG Guobao; KE Yanguo; HUANG Weimin; YANG Wei; ZHAO Hengyang; RUAN Jiangjun; HE Song

doi:10.13296/j.1001-1609.hva.2024.05.009

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Study on Opening and Closing Position Confirmation Method of GIS Disconnector Based on Electromagnetic Transient Process

Research & Analysis | 更新时间：2025-04-26

- Study on Opening and Closing Position Confirmation Method of GIS Disconnector Based on Electromagnetic Transient Process
- High Voltage Apparatus Vol. 60, Issue 5, Pages: 70-75(2024)
- 作者机构：
  
  1.国网安徽省电力有限公司电力科学研究院，合肥　 230601
  2.国网安徽省电力有限公司，合肥　 230601
  3.武汉大学电气与自动化学院，武汉　 430000
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2024.05.009
  CLC：
- Received：09 December 2023，
  
  Revised：17 February 2024，
  
  Published：16 May 2024
- 稿件说明：
移动端阅览
ZHANG Guobao, KE Yanguo, HUANG Weimin, et al. Study on Opening and Closing Position Confirmation Method of GIS Disconnector Based on Electromagnetic Transient Process[J]. High voltage apparatus, 2024, 60(5): 70-75.
DOI：

ZHANG Guobao, KE Yanguo, HUANG Weimin, et al. Study on Opening and Closing Position Confirmation Method of GIS Disconnector Based on Electromagnetic Transient Process[J]. High voltage apparatus, 2024, 60(5): 70-75. DOI： 10.13296/j.1001-1609.hva.2024.05.009.

摘要

GIS隔离开关在电力系统中扮演着重要角色，但分合闸不到位故障会威胁系统安全。传统的状态检测方法所反映的腔体内部信息有限，文中提出了一种基于电磁瞬态过程的新方法。利用在GIS隔离开关带电分合过程中产生的电磁瞬态信息，通过分析电磁瞬态信号的起止时间与开关动静触头位置关系，反演GIS隔离开关腔体内动静触头状态。同时，还提出了一种低采样频率下提取高频电磁瞬态信号特征的方法，并开发了相应的采集装置。不仅有效降低了数据采集量，同时可以成功确认GIS隔离开关的分合位置。最后通过实验证明了文中提出方法的有效性。

Abstract

GIS disconnector plays a vital role in power system

but the problem of not opening and closing to the end will threaten safety of the system. The information inside the compartment which is reflected by the traditional status detection method is limited. In this paper

a new method based on electromagnetic transient processes is proposed. By utilizing the electromagnetic transient information generated during the opening and closing process of GIS disconenctor at live condition and through analyzing the relationship between the start and stop time of the electromagnetic transient signal and the position of the stationary and moving contacts of the disconnector

the status of the moving and the stationary contacts within the GIS disconnector compartment is inverted. At the same time

a method for extracting high-frequency electromagnetic transient signal features at a low sampling frequency is proposed

and corresponding acquisition device is developed. This method not only significantly reduces data collection requirements

but also successfully verifies the opening and closing positions of GIS disconnector. Finally

the effectiveness of the method proposed in this paper is verified by experiment.

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