Research and Development of On-site Integrated Detection Technology and Device for Sulfur Hexafluoride Gas Quality

ZHANG Xiaoqin; DU Ziweihua; ZHU Hongbin; YU Xiang; SUN Lei

doi:10.13296/j.1001-1609.hva.2026.08.026

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Research and Development of On-site Integrated Detection Technology and Device for Sulfur Hexafluoride Gas Quality

Technical Discussion | 更新时间：2026-08-12

- Research and Development of On-site Integrated Detection Technology and Device for Sulfur Hexafluoride Gas Quality
- High Voltage Apparatus Vol. 62, Issue 8, Pages: 222-229(2026)
- 作者机构：
  
  国网江苏省电力有限公司电力科学研究院，南京 211103
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2026.08.026
  CLC：
- Received：09 January 2025，
  
  Revised：2025-09-22，
  
  Published：16 August 2026
- 稿件说明：
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ZHANG Xiaoqin, DU Ziweihua, ZHU Hongbin, et al. Research and Development of On-site Integrated Detection Technology and Device for Sulfur Hexafluoride Gas Quality[J]. High Voltage Apparatus, 2026, 62(8): 222-229.
DOI：

ZHANG Xiaoqin, DU Ziweihua, ZHU Hongbin, et al. Research and Development of On-site Integrated Detection Technology and Device for Sulfur Hexafluoride Gas Quality[J]. High Voltage Apparatus, 2026, 62(8): 222-229. DOI： 10.13296/j.1001-1609.hva.2026.08.026.

摘要

气体具有优异的绝缘、灭弧性能，广泛应用于超、特高压气体绝缘开关、封闭式组合电器等设备中。文中针对SF

气体全分析耗时长、步骤繁琐、无法在变电站现场开展等难题，首创了SF

气体酸度、可水解氟化物、矿物油含量仪器化检测方法，创新了纯度、水分、毒性物质小型化稳流分析方法，发明了6项质量指标并行全自动检测方法及装置，实现了SF

气体质量的现场精确快速检测。采用文中研发的方法及装置，单个SF

气体样品检测时间由18 h缩短至40 min，检测用气量由100 L减少至20 L，且避免了SF

高压钢瓶在现场与实验室之间来回运输，对保证重大工程建设周期、保障充气设备可靠运行具有重要意义。

Abstract

gas is widely used in such equipment as extra and ultra-high-voltage gas insulated switchgear and gas insulated metal enclosed switchgear due to its excellent insulation and arc interruption performance. To address the challenges of time-consuming procedures

cumbersome steps and the infeasibility of on-site analysis at substation for comprehensive SF

gas analysis

in this paper the instrumental detection methods for SF

gas acidity

hydrolyzable fluorides

and mineral oil content are poineered. The miniaturized steady-flow analysis methods for purity

moisture

toxic substances are innovated

the parallel fully automated detection method and device for six quality indicators are invented and the accurate and rapid on-site detection of SF

quality is achieved.With the use of method and device developed in this paper

the detection time of single SF

gas sample is reduced from 18 h to 40 min

the detection gas consumption is reduced from 100 L to 20 L

and the bck-and forth transportation of high pressure SF

cylinders between the site and the laboratory is eliminated. This is of great significance for ensuring the construction schedule of major projects and guaranteeing the reliable operation of gas-filled equipment.

关键词

Keywords

references

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