News Center
SF6 decomposition Vacuum toshiba

SF6 decomposition Vacuum toshiba

Studies have demonstrated that partial discharge in sf6 gas-insulated electrical equipment can cause sf 6 decomposition, resulting in the generation of various products. Quantitative detection of these decomposition products can be used to evaluate the state of the equipment's insulation.

[email protected]
News Detail
  • The Decomposition Products of Sulfur Hexafluoride

    2017-10-16The Decomposition Products of Sulfur Hexafluoride. (SF6) with Metals Dissolved in Liquid Ammonia. Holger Lars Deubner and Florian Kraus *. Fachbereich Chemie, Philipps-Universit t Marburg, 35043 Marburg, Germany; [email protected] *Correspondence:Cited by: 5

    Get Price
  • Decomposition of SF6 in an RF Plasma Environment

    2018-6-12Decomposition of SF 6 A sensitivity analysis of an earlier model showed that the applied power was the most important parameter and positively affects the decomposition fraction of re-actants in an RF plasma reactor.13 Figure 2 shows that when no oxygen was added to the reactor (feed O 2 /SF 6 ratio = 0.0), η SF6Cited by: 25

    Get Price
  • SF6 decomposition multicomponent analysis system,SF6

    SF6 decomposition method is used for SF6 inflatable electric power equipment fault diagnosis. Power system at home and abroad have been widely carried out power equipment SF6 decomposition species and content detection, through the technology has already found some electrical fault, especially in the application of

    Get Price
  • 事业领域-东芝中国 - Toshiba

    Translate this page2021-3-17S 4 IS 固体绝缘开关装置 VKP + 12kV固封极柱真空断路器 VEZ 10kV 中置式金属铠装开关柜 GFC 40.5kV SF6气体绝缘开关柜 GR GR型综合继电保护装置 VY 40.5kV 真空断路器 VEZ-(F-C)

    Get Price
  • Sf6 Gas Processing Equipments - Vacuum Plant

    2020-5-8Sulfur hexafluoride (SF 6) Sulfur hexafluoride (SF 6) is an inorganic, colorless, odorless, non-flammable, extremely potent greenhouse gas which is an excellent electrical insulator. SF 6 has an octahedral geometry, consisting of six fluorine atoms attached to a central sulfur atom. SF 6 was discovered by Henri

    Get Price
  • A review on SF6 substitute gases and research status of

    2018-11-1SF 6 and its decomposition products generate WF 4, AlF 3, CuF 2, and other toxic substances when they react with copper tungsten alloy electrode, copper, aluminum, and other metal materials, thereby affecting the properties of metallic materials. Insulating material reacts with toxic products, such as epoxy phenolicCited by: 14

    Get Price
  • Optical technology for detecting the decomposition

    Studies have demonstrated that partial discharge in SF 6-insulated electrical equipment can cause SF 6 decomposition, resulting in the generation of various products. Quantitative detection of these decomposition products can be used to evaluate the state of the equipment’s insulation.Cited by: 5

    Get Price
  • Handling and Use of Sulfur Hexafluoride Gas

    2016-2-11B. Decomposition Gasses and Solid By-Products When exposed to sustained or intense electrical arcs, SF 6 gas decomposes to form sulfur-fluoride gases and metal-fluorides which are toxic. If moisture is present, the decomposition by-products may also include sulfur-oxyfluorides and hydrofluoric and sulfuric

    Get Price
  • Toshiba

    Translate this page2021-3-17东芝集团创立于1875年,致力于为人类和地球的明天而努力奋斗,力争成为能创造丰富的价值并能为全人类的生活、文化作贡献的企业集团,东芝集团业务领域包括数码产品、电子元器件、社会基础设备、家电等。

    Get Price
  • 在华机构-东芝中国-关于我们-东芝中国 -

    Translate this page2021-3-17Toshiba Baiyun Vacuum Interrupters (Jinzhou) Co., Ltd. No.2, Section2, Chongqing Road, Guta District, Jinzhou, Liaoning, 121001, The Peoples Republic of China (TEL)0416-416-2122 (FAX)0416-416-5449 Dalian Toshiba Locomotive Electric Equipment Co., Ltd.

    Get Price
  • Adsorption mechanism of decomposition

    Translate this page2020-10-8Adsorption mechanism of decomposition gas of SF6 circuit breaker on MOF-505 analogue. Vacuum ( IF 2.906 ) Pub Date : 2020-10-08 , DOI: 10.1016/j.vacuum.2020.109816. Song Li; Shiping Zhu; Qu Zhou; Yingang Gui; Xiao Wei. The decomposition gas of SF 6 circuit breaker adsorbed on MOF-505

    Get Price
  • SWITCHGEAR AND SF6 GAS - Gob

    2019-4-18the small amount of solid decomposition-products can be easily transformed into natural occurring substances that can be disposed without hazard to the environment. SF6 does not contribute to the ozone layer depletion, because it does not contain chlorine. [3] [4] Special attention is paid to the impact on the

    Get Price
  • SF6 gas handling - DILO

    A service cart enables the recovery of the SF 6 gas from a gas compartment to a final vacuum of < 1 mbar. Thereby the gas flows automatically via dry and particle filters which effectively adsorb decomposition products and moisture from the gas. During the gas recovery process the SF 6 is stored either in gaseous or in liquid form.

    Get Price
  • THERMAL DECOMPOSITION OF SF6 AND SF6-AIR

    2013-1-1Mixtures of SF6 and air after passage through a lighted cigarette tip were analyzed for SF5 decomposition products. The SF6 concentration in the mixture ranged from 0.1% to 6.5%. The gaseous mixture in a 60 L mixing tank was drawn through the tip of the cigarette by a pump into a Tediar gas sampling bag.

    Get Price
  • SF6 By-products: Safety, Cleaning, and Disposal

    2016-2-176 Decomposition and Contamination • Reactive decomposition byproducts form when SF 6 is exposed to: 1. spark discharges, 2. partial discharges, 3. switching arcs, and 4. failure arcing • Decomposition byproducts can take the form of gas or powders • Other types of contaminants can include moisture and air

    Get Price
  • Alternatives to SF6 in HV Circuit Breaker Insulation

    2015-9-8Alternatives to SF6 in HV Circuit Breaker Insulation 3 Alternatives to SF6 in HV Circuit Breaker Insulation ENG4111/4112 Dissertation SF6 is an environmentally potent and OHS concerning substance, however it is the dominate insulation medium used in HV circuit breakers. This dissertation

    Get Price
  • 西安交通大学

    Translate this page2020-4-20SCIE Excellent Paper Award. [5] Dawei Wang(本人指导的研究生), Xiaohua Wang, Aijun Yang, Pinlei Lv, Jifeng Chu, Yang Liu, Mingzhe Rong, Chanqiong Wang. A first principles theoretical study of the adsorption of SF 6 decomposition gases on a cassiterite (110) surface [J]. Materials Chemistry and Physics, 2018,

    Get Price
  • Development of a suitcase time-of-flight mass

    The detection of SF6 decomposition products can be used to diagnosis the condition of the GIS. METHODS: The decomposition products of SO2 , SO2 F2 , and SOF2 were selected as indicators for the diagnosis. A suitcase time-of-flight mass spectrometer (TOFMS) was designed to perform online GIS failure analysis.Cited by: 3

    Get Price
  • 王小华-等离子体生物医学研究中心

    Translate this page2020-6-3Y Fu, M Rong, K Yang, et al. C alculated rate constants of the chemical reactions involving the main byproducts SO2F, SOF2, SO2F2 of SF6 decomposition in power equipment, 2016, 49(15):155502. 5. L Zhong, A Yang, X Wang, et al. Dielectric breakdown properties of hot SF6-CO2 mixtures at temperature of 300-3500K and

    Get Price
  • FAQ on SF6_图文_百度文库

    Translate this pagewenku.baidu.com›百度文库›互联网Therefore, this limit does not mean that higher SF6 concentrations pose any toxic hazard. According to Clause 7.1 of IEC 60480: In principle, a mixture of 20% of oxygen and 80% SF6 can be inhaled without adverse effect. ? 7/9? Nr. 31

    Get Price
  • Project - Shanghai Shangpeng Electric Co.,Ltd

    2020-9-28SGE is a R D and production of SF6 gas density detection instruments and instruments and other products and provide complete automation control solutions for high-tech enterprises. +86 021 67109909 +86

    Get Price
  • Development of a suitcase time‐of‐flight mass

    Rationale Sulfur hexafluoride (SF6) gas‐insulated switchgear (GIS) is an essential piece of electrical equipment in a substation, and the concentration of the SF6 decomposition products are directl...Cited by: 3

    Get Price
  • Jing YAN | Xian Jiaotong University, Xi’an | XJTU

    The research on decomposition characteristics of SF6 and its by-products have great significance to the operation, maintenance, condition assessment and fault diagnosis of power equipment.

    Get Price
  • CEE-DEE SF6 Gas Recovery, Filling Filtration Gas

    2021-1-27Vacuum level in accordance with IEC 62271-4 ; Evacuation of air or a transport filling: 1 mbar : Evacuation of SF6 : 20 mbar

    Get Price
  • SF6 Gas Detection For HV GIS Switchgear - Crowcon F

    2020-9-30Sulphur Hexaflouride (commonly referred to as “SF6”) is an inorganic, colourless, odourless, non-flammable, heavy gas that has exceptional electrical insulation performance. Gas detection is

    Get Price
  • GDQC-300C SF6 Gas Recycling Solidification

    GDQC-300C SF6 Gas Recycling Solidification Purification system is used to separate the air, CF4 and low fluoride decomposition from SF6 gas. The separation system is based on the principle of high voltage oil free direct liquefaction, carry out initial liquefied filtration of all regenerated and processed SF6 gas, and then carry

    Get Price
  • China High reputation Sf6 Analyzer 973 - LK403B SF6

    2020-9-24The LK403B SF6 Decomposition Ion Mobility Analyzer has been designed for controlling the SF6-quality in disconnecting switches, bus bars and circuit breakers in Gas Insulated Substations (GIS). This device allows the measurement of the contamination (total of decomposition products), the SF6

    Get Price
  • Mini Plus SF Gas Reclaimer Model No.: D-320

    2017-10-26• The vacuum pump (1) is used for evacuation of air and moisture. It is equipped with a solenoid valve (3) that interrupts gas flow if the pump is turned off. This eliminates siphoning of vacuum pump oil back into the connected gas volume. An electronic vacuum indicator (2) is used to monitor the vacuum.

    Get Price
  • 科研与教学成果 - 王 小华 - 教师个人主页

    Translate this page2007-6-1西安交通大学教师个人主页平台是国内第一家实时发布本校教师信息的官方网站,由西安交通大学主办,为广大用户第一时间详尽全面地展示本校所有教师的基本情况,教学水平,科研成果,团队活动,教师新闻,硕博士招生等相关信息。

    Get Price
  • Glass surface modification using Nd:YAG laser in

    In this work, the evidence of SF6 gas decomposition at the vicinity of SiO2 glass has been investigated using various laser wavelengths: at 193, 248, 532 and 1064nm.

edge-iconRelated News
toTop
Click avatar to contact us
Chat Online