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Highly sensitive SF6 Decomposition monitor and record

Highly sensitive SF6 Decomposition monitor and record

Jul 06, 2020As for SF6, this will require a replacement of the desiccants. For GIS with SF6 gas:Gas can be tested for decomposition products on-site using chemical reaction tubes that change colour in the presence of certain reactive gases. Tubes sensitive to SO2 and to HF are available.

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  • High sensitivity gas sensor to detect SF6 decomposition

    Oct 01, 2020Phosphorene: a promising candidate for highly sensitive and selective SF6 decomposition gas sensors IEEE Electron Device Lett. , 38 ( 7 ) ( 2017 ) , pp. 963 - 966 , 10.1109/led.2017.2701642 View Record in Scopus Google ScholarAuthor: Haojie Guo, Kai Zheng, Heping Cui, Fusheng Zhang, Jiabing Yu, Lu-Qi Tao, Xiandong Li, Xianping Chen

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  • OSA | Highly sensitive photoacoustic multicomponent gas

    A ppb-level photoacoustic multicomponent gas sensor system for sulfur hexafluoride (SF 6) decomposition detection was developed by the use of two near-infrared (NIR) diode lasers and an ultraviolet (UV) solid-state laser. A telecommunication fiber amplifier module was used to boost up the excitation optical power from the two NIR lasers.Cited by: 8

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  • OSA | Highly Sensitive H2S Detection for SF6 Decomposition

    A ppb-level hydrogen sulfide (H2S) gas sensor for sulfur hexafluoride (SF6) decomposition analysis was developed using photoacoustic spectroscopy technique and a watt-level excitation laser source. A minimum detection limit of 109 ppb was achieved.Cited by: 1

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  • OSA | Highly sensitive SO2 photoacoustic sensor for SF6

    Xukun Yin, Lei Dong, Hongpeng Wu, Huadan Zheng, Weiguang Ma, Lei Zhang, Wangbao Yin, Liantuan Xiao, Suotang Jia, and Frank K. Tittel, Highly sensitive SO 2 photoacoustic sensor for SF 6 decomposition detection using a compact mW-level diode-pumped solid-state laser emitting at 303 nm, Opt. Express 25, 32581-32590 (2017)Cited by: 13

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  • Highly sensitive and selective polyaniline thin-film

    Feb 01, 2015H 2 S is an important and main decomposition component of SF 6 under intense partial discharge. In addition, in some other discharge (e.g., arc, spark or corona) or thermal fault H 2 S is also a main component after SF 6 decomposition. The existence of H 2 S is closely related to the degree and type of discharge.Cited by: 17

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  • A highly sensitive and selective SnS2 monolayer sensor in

    Mar 01, 2021A novel 2D material SnS 2 with an appropriate bandgap and high mobility, has been fabricated successfully and shows promising potential in electronic circuits. However, its applications in gas sensing are still poorly studied. In this work, the sensing behavior of SnS 2 monolayer for SF 6 and its five decomposition gases (SO 2 F 2, SOF 2, H 2 S, HF, and SO 2) is investigated by combining

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  • DFT+U study of sulfur hexafluoride decomposition

    Oct 15, 2019The detection of sulfur hexafluoride (SF 6) decomposition components is significant for monitoring the conditions of SF 6-gas-insulated equipment.In present study, the adsorption of SF 6 and its decomposition components (H 2 S, SO 2, SOF 2, and SO 2 F 2) on ceria (110) was investigated by performing calculations based on density functional theory (DFT).). Adsorption energy, adsorption

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  • Adsorption and sensing behaviors of SF6 decomposed

    May 15, 2020Phosphorene: A Promising Candidate for Highly Sensitive and Selective SF6 Decomposition Gas Sensors IEEE Electron Device Lett. , 38 ( 7 ) ( 2017 ) , pp. 963 - 966 View Record in Scopus Google Scholar

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  • Detection of trace disulfur decafluoride in sulfur

    Highly sensitive SO_2 photoacoustic sensor for SF_6 decomposition detection using a compact mW-level diode-pumped solid-state laser emitting at 303 nm. Optics Express 2017 , 25 (26) , 32581.

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  • Sensitivity Characteristic Analysis of Adsorbent

    In order to detect the type and concentration of SF6 decomposition components, a Ni-modified carbon nanotube (Ni-CNT) gas sensor has been prepared to analyze its gas sensitivity and selectivity to

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  • DILO Arc By-products Measuring Device | Precise Measuring

    SF 6 Arc By-products Measuring Device For the precise measurement of SF 6 decomposition products . 3-032-R103. The DILO arc by-products measuring device for SF 6 features a smaller overall platform and robust housing, while retaining a rechargeable battery. With a response time of <15 seconds, self-sealing hoses and couplings, along with connections for discharge recovery systems, the SF 6 arc

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  • Detection of partial discharge in SF6 gas using a carbon

    The chromatograms and concentration tables of SF6 gas decomposition components for several different failures of GIS equipment in a 500 kV substation are given to explore the relationship between

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  • Xiaoxing ZHANG | Professor | Professor | Hubei University

    SO2, CS2 and H2S are important decomposition products of insulating gas SF6, and their types and contents are of great significance for the fault diagnosis of SF6 insulated equipment.

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  • Hongpeng WU | Professor | Shanxi University, Taiyuan

    Highly sensitive SO_2 photoacoustic sensor for SF_6 decomposition detection using a compact mW-level diode-pumped solid-state laser emitting at 303 nm Article Dec 2017

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  • John T. Herrons research works | National Institute of

    John T. Herrons 22 research works with 1,126 citations and 638 reads, including: Plasma chemical model for decomposition of SF6 in a negative glow corona discharge

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  • Analytical Equipment - SF6 Gas Analytical Equipment - SF6

    Highly sensitive touch-screen interface; Fast test results, typically < 15 seconds; Battery powered (8 hours) Application : Measurement of the decomposition products in SF6-filled equipment (via SO2 acid)

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  • Ni-CNT Chemical Sensor for SF6 Decomposition

    SF 6 decomposition components detection is a key technology to evaluate and diagnose the insulation status of SF 6-insulated equipment online, especially when insulation defects-induced discharge occurs in equipment.In order to detect the type and concentration of SF 6 decomposition components, a Ni-modified carbon nanotube (Ni-CNT) gas sensor has been prepared to analyze its gas sensitivity

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  • CN102445433A - SF6 decomposition gas infrared spectrum

    The invention discloses an SF6 decomposition gas infrared spectrum multi-component detection method and a device. According to the method, a chopped wave modulation wheel and a spectroscopical filtration wheel in a traditional non-dispersion infrared spectrum technology are combined into a whole, a modulation filtration wheel is utilized to realize simultaneous measurement of multi-component

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  • Fixed SF6 Gas Detector,SF6 detector,NIC Technology-ION

    The SF6 AreaCheck P2 has a built-in low flow alarm and self-diagnostic testing. Fixed SF6 gas detector uses award winning Negative Ion Capture (NIC) technology and is designed to continuously monitor SF6. Features. The Fixed SF6 gas detector has serviceable components with

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  • Sulfur hexafluoride | F6S - PubChem

    Sulfur hexafluoride is a sulfur coordination entity consisting of six fluorine atoms attached to a central sulfur atom. It is the most potent greenhouse gas currently known, with a global warming potential of 23,900 times that of CO2 over a 100 year period (SF6 has an estimated lifetime in the atmosphere of between 800 and 3,000 years).

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  • Mechanism and Application of Carbon Nanotube Sensors in

    Mar 09, 2017Zhang et al. studied the gas sensitive response of Pd-SWCNT sensors to five kinds of SF 6 decomposition gases (SO 2 F 2, SOF 2, SO 2, H 2 S, and CF 4) through density functional theory and found that once exposed to adsorbed gases, the conductivity of nanotube would increase in the following order: SO 2 SOF 2 H 2 S, decrease when adsorbed

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  • Tianbo-Product Center-sf 6

    Tianbo SF6 detection S-series is an OGI infrared thermal imager that displays and finds out the leaking point of volatile organic compounds accurately without stopping the operation. This convenient thermal imager is capable of detecting leakage beyond the safety distance, which greatly secures the safety of operating personnel.

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  • Sulfur Hexafluoride Working Principle

    The Agilent 8355 SCD is a major advance in sulfur chemiluminescence detection, with improved technology that is more reliable and easier to use. It is highly sensitive and specific with a simplified burner design. A dual plasma burner achieves high temperature combustion of sulfur-containing compounds to form sulfur monoxide (SO). Get Price

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  • End-of-life factors in high voltage gas insulated

    Jul 06, 2020As for SF6, this will require a replacement of the desiccants. For GIS with SF6 gas:Gas can be tested for decomposition products on-site using chemical reaction tubes that change colour in the presence of certain reactive gases. Tubes sensitive to SO2 and to HF are available.

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