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SF6 decomposition Quantitative

SF6 decomposition Quantitative

The invention discloses an analytic method of SF6 (sulfur hexafluoride) decomposition products. A sample is analyzed through gas chromatography-mass spectrometry. The analytic method disclosed by the invention is capable of performing qualitative and quantitative analysis on compounds by using the characteristic ions of different target compounds as selective ions; in combination with optimal ...

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  • SF6 Decomposition in Gas-Insulated Equipment - IEEE

    This paper reviews previous research in SF6 decomposition relating to the operation of gas-insulated switchgears, gas-insulated transmission lines, and electrostatic accelerators. Results on the qualitative and quantitative determination of the by-products and their formation ion rates in various modes of electrical discharges are summarized.

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  • Quantitative infrared spectroscopic analysis of SF6

    May 30, 2001The quantitative analysis of the decomposition products of SF 6, obtained under various electrical stress conditions, was investigated using FT-IR spectroscopy and PLS-calibration. This technique provides the sensitivity necessary to determine reliable concentrations in the low ppm v and for some components even in the sub-ppm v range using aCited by: 21

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  • The decomposition products of sulfur hexafluoride (SF6

    Sulfur hexafluoride (SF 6) is being widely used in a variety of industrial processes, commercial products and scientific fields due to its unique characteristics such as relatively low toxicity, extreme inertness and high dielectrics.However, the chemically stable gas is one of the most potent greenhouse gases (GHGs) that cause significantly global warming, and has been, thus, blanketed intoCited by: 117

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  • Analysis of spark decomposition products of SF 6

    Journal of Molecular Structure 480–481 (1999) 211–217 Analysis of spark decomposition products of SF6 using multivariate mid-infrared spectrum evaluation R. Kurte, H.M. Heise*, D. Klockow Institut fu¨r Spektrochemie und Angewandte Spektroskopie, Bunsen-Kirchhoff-Str. 11, D-44139 Dortmund, Germany Received 25 August 1998; accepted 30 September 1998 Abstract Infrared spectroscopy is a

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  • CN103616445A - Analytic method of SF6 decomposition

    The invention discloses an analytic method of SF6 (sulfur hexafluoride) decomposition products. A sample is analyzed through gas chromatography-mass spectrometry. The analytic method disclosed by the invention is capable of performing qualitative and quantitative analysis on compounds by using the characteristic ions of different target compounds as selective ions; in combination with optimalAuthor: 王宇, 李丽, 周永言

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  • CN103105441B - Qualitative and quantitative analysis

    The invention discloses a qualitative and quantitative analysis method for a sulfur hexafluoride (SF6) gas discharge decomposition product. The method comprises the following steps of: sampling; performing qualitative and quantitative analysis on a sample by a gas chromatograph-mass spectrograph, wherein a quadrupole rod quality detector is adopted, and a chromatographic column is a CP-Sil 5

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  • The decomposition products of sulfur hexafluoride (SF6

    Nov 01, 2007Trifluoromethyl sulfur pentafluoride (SF 5 CF 3), first detected in 1999, is also a SF 6 decomposition product with its atmospheric lifetime and GWP-100-year time horizon on the order of 1000 years and 20,000, respectively, suggesting that it is a highly radioactive-forcing greenhouse gas.

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  • Fourier transform infrared spectroscopy quantitative

    Feb 05, 2015Quantitative research on SF 6 decomposition components was conducted in this study based on the FTIR method. The absorption coefficients of several types of SF 6 decomposition components were confirmed, and the quantitative relationships among gas production rate, PD time, and PD quantity were studied.Cited by: 20

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  • 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.

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  • Handling and Use of Sulfur Hexafluoride Gas

    B. 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

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  • Research on Solid Products of SF6 Decomposition Under

    Besides, the quantitative relationship between the quality of SF6 decomposed solid products and the discharge energy is analyzed as well. Discover the worlds research 17+ million members

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  • SF6 Decomposition in Gas-Insulated Equipment - IEEE

    This paper reviews previous research in SF6 decomposition relating to the operation of gas-insulated switchgears, gas-insulated transmission lines, and electrostatic accelerators. Results on the qualitative and quantitative determination of the by-products and their formation ion rates in various modes of electrical discharges are summarized.

    Get Price
  • sf6 gas analyzer, sf6 gas analyzer Suppliers and

    Portable Comprehensive Sf6 Gas Analyzer sf6 decomposition tester SF6 quantitative leak detector . US $3000-$4400 / Set 1 Set (Min. Order) 3 YRS . Hebei Huanhai Importexport Trading Co.,ltd (4) 95.5% " Fast delivery " (2

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  • Quantitative Analysis for SF6 and its Compositions in GIS

    In this paper, a method for GIS equipment fault diagnosis by the analysis of volume fractions of the derivatives of SF6 gas inside GIS equipment is presented. For the method, based on the differential spectra method, a neural network model and the particle swarm optimization are used for training analysis of infrared spectra, to realize the quantitative analysis of specific derivatives.

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  • Ultraviolet differential optical absorption spectrometry

    spectrometry: quantitative analysis of the CS 2 produced by SF 6 decomposition To cite this article: Xiaoxing Zhang et al 2017 Meas. Sci. Technol. 28 115102 experimental study of SF6 decomposition View the article online for updates and enhancements. Related content Partial discharge early-warning through ultraviolet spectroscopic detection of SO2

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  • SF6 Gas Analyzer - Huazheng Electric Manufacturing

    China SF6 Gas Analyzer catalog of Double Wave Dispersive Infrared Spectrometer Quantitative Sf6 Gas Leak Detector, Hzsm-601 Portable Dew Point and Purity Comprehensive Sf6 Gas Analyzer provided by China manufacturer - Huazheng Electric Manufacturing (Baoding) Co., Ltd., page1.

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  • Quantitative detection of trace H2S based on ultraviolet

    Li X 2016 The quantitative detection research of SF6 characteristic decomposition components SO2 and CS2 based on ultraviolet differential optical absorption spectrometry (Chongqing, China: Chongqing University) Google Scholar

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  • CN101799458A - Method for analyzing decomposition products

    The invention discloses a method for analyzing decomposition products of SF6 in electric equipment. The method comprises the following steps: sampling; and analyzing and detecting a sample with a chromatograph, wherein the detection part of the chromatograph comprises a thermal conductivity detector (TCD) and fission-product detector (FPD) which are in serial connection, the chromatographic

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  • SF6 Gas Detector Made in China - SF6 Gas Detector

    HZIR-3000 SF6 Gas Micro Leak Detection Test. HZIR-3000 SF6 Gas Micro Leak Detection Test 1. Purpose HZIR-3000 SF6 Quantitative leak detector is the most ideal test tools and methods of SF6 Micro leaks at present.It is efficient and accurate.

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  • Cantilever enhanced photoacoustic spectrometry

    The SF 6 decomposition and its reaction to form H 2 S were simulated.. Quantitative researches on H 2 S were carried out based on CEPAS detection platform.. Detection sensitivity to H 2 S of the detection platform were 0.84 μL/L and 1.75 μL/L.. The influence of temperature and pressure on the detection platform were analyzed.

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  • Influence of Micro-oxygen on SF6 Decomposition

    Dec 05, 2016In the paper, SF6 PD discharge decomposition test device is used to simulate common metallic protrusion insulation defects. SF6 decomposes under the influence of

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  • CORONA-INDUCED DECOMPOSITION OF SF6 - ScienceDirect

    Jan 01, 2013CORONA-INDUCED DECOMPOSITION OF SF6 R. J. Van Brunt and D. A. Leep* National Bureau of Standards Washington, D. C. 20234 ABSTRACT The stable, neutral decomposition products resulting from positive point-plane dc corona in static SF6 gas have been identified with a gas chromatograph-mass spectrometer.

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  • Research on technology of online gas chromatograph for SF6

    In this paper, by virtue of the gas chromatograph-mass spectrometer system, the qualitative as well as quantitative results of SF6 decomposition by-products are presented in 50 Hz AC point-plane

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  • Decomposition Properties of C4F7N/N2 Gas Mixture: An

    The insulation characteristics and decomposition components of C4F7N/N2 gas mixture, a potential substitute for SF6, were first explored by breakdown experiments/gas chromatography–mass spectrometer. The structural properties of C4F7N molecule and the decomposition mechanism of C4F7N/N2 gas mixture were analyzed based on the density functional theory calculation and ReaxFF

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  • Ultraviolet differential optical absorption spectrometry

    Oct 12, 2017Fu Y W, Rong M Z, Yang K, Yang A J, Wang X H, Gao Q, Liu D and Murphy A B 2016 Calculated rate constants of the chemical reactions involving the main byproducts SO2F, SOF2, SO2F2 of SF6 decomposition in power equipment J. Phys. D: Appl. Phys. 49 155502–17

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