Research on Effect of Operating Parameters on SF<sub>6</sub> Degradation in Pulsed DBD System

FAN Libo; HUANG Jiabin; HAN Rongjie; WANG Yufei; LUO Shaojie; XIANG Xinyu; LI Yalong; ZHANG Xiaoxing; CHEN Tieyi; SHI Yuchao; XUAN Yi; LAI Yibo; JIANG Jian; CHEN Yiran

doi:10.13296/j.1001-1609.hva.2025.06.022

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Research on Effect of Operating Parameters on SF₆ Degradation in Pulsed DBD System

Research & Analysis | 更新时间：2025-06-12

- Research on Effect of Operating Parameters on SF₆ Degradation in Pulsed DBD System
- High Voltage Apparatus Vol. 61, Issue 6, Pages: 191-199(2025)
- 作者机构：
  
  1.国网杭州供电公司，杭州　 310016
  2.湖北工业大学新能源及电网装备安全监测湖北省工程研究中心，武汉　 430068
  3.国网浙江双创中心，杭州　 310016
- 作者简介：
- 基金信息：
  
  Science and Technology Project of State Grid Zhejiang Electric Power Co., Ltd.(B711JZ21000J)
- DOI：10.13296/j.1001-1609.hva.2025.06.022
  CLC：
- Received：12 November 2024，
  
  Revised：15 February 2025，
  
  Published：16 June 2025
- 稿件说明：
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FAN Libo, HUANG Jiabin, HAN Rongjie, et al. Research on Effect of Operating Parameters on SF₆ Degradation in Pulsed DBD System[J]. High voltage apparatus, 2025, 61(6): 191-199.
DOI：

FAN Libo, HUANG Jiabin, HAN Rongjie, et al. Research on Effect of Operating Parameters on SF₆ Degradation in Pulsed DBD System[J]. High voltage apparatus, 2025, 61(6): 191-199. DOI： 10.13296/j.1001-1609.hva.2025.06.022.

摘要

强温室效应气体六

氟化硫（SF

）的降解处理是环境保护领域的一个研究热点。为研究微秒脉冲介质阻挡放电（dielectric barrier discharge，DBD）等离子体降解SF

的过程，文中搭建了微秒脉冲介质阻挡放电SF

降解及检测实验平台，考察了脉冲电压与频率两个电学参数及SF

初始体积分数对SF

降解过程的影响。结果表明，脉冲电压与频率的提升可有效增加体系放电功率，电压的增加可有效提升单脉冲放电能量与最大转移电荷量。频率和电压的上升促进了SF

降解过程，在频率由14 kHz提升至15 kHz时SF

降解率有一次明显提升，相较于14 kHz提升约44%。此外，在15 kHz条件下系统具有最佳的能量效率，此时脉冲电源驱动的反应器稳定运行温度低于交流电源。通过产物检测发现，脉冲放电条件下主要降解产物为SO

与SOF

，随着放电功率的提升，SOF

产量逐渐下降。相关研究结果为脉冲DBD处理SF

提供了实验支撑。

Abstract

The degradation treatment of sulfur hexafluoride (SF

) gas with strong greenhouse potential is a hot research topic in the field of environmental protection. In this paper

in order to study the degradation process of SF

by microsecond pulsed dielectric barrier discharge (DBD) plasma

an experimental platform for the degradation and detection of SF

by microsecond pulsed dielectric barrier discharge is set up. The effects of such two electrical parameters as pulse voltage and frequency as well as the initial concentration of SF

on the degradation process of SF

are investigated. The results show that the increase of pulse voltage and frequency can effectively increase the dis-charge power of the system

and the increase of voltage can effectively increase the discharge energy and the maxi-mum transfer charge of single pulse. When the frequency is increased from 14 kHz to 15 kHz

the degradation rate of SF

in the system is increased significantly

which is about 44% compared with 14 kHz. In addition

the system has the best energy efficiency under the condition of 15 kHz and

at this time

the stable operation temperature of the reactor driven by pulse power supply is lower than that of alternating-current (AC) power supply. It is found through products detection that the main degradation products under pulse discharge are SO

and SOF

. With the increase of discharge power

the output of SOF

is decreased gradually. The relevant research results provide experimental support for the pulsed DBD treatment of SF

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Research on Effect of Operating Parameters on SF6 Degradation in Pulsed DBD System

DOI：10.13296/j.1001-1609.hva.2025.06.022

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Abstract

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Research on Effect of Operating Parameters on SF₆ Degradation in Pulsed DBD System