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SF6 Decomposition sensor for 121kv

SF6 Decomposition sensor for 121kv

A compact ppb-level SO2 photoacoustic sensor was developed for the application of SF6 decomposition detection in electric power systems. The selection of the SO2 target spectrum is discussed in detail in the infrared (IR) and ultraviolet (UV) spectral regions. Based on the result of the spectrum selection, a small-sized UV-band

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  • SF6 Decomposition Gas Sensor Based on GeP

    Therefore, GeP monolayer is a potential candidate for highly sensitive and selective tunable SF6 decomposition gas sensor for on-line diagnostics of power equipment. Discover the worlds research

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  • Development of SF 6 decomposition gas sensor |

    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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  • 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 sensorCited by: 5

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  • SF6 Decomposition Gas Sensor Based on GeP

    Abstract: In this paper, we adopted the first-principles calculations to investigate the sensing properties of the GeP monolayer to four SF 6 decomposition gas molecules (H 2 S, SO 2, SO 2 F 2 and SOF 2).By discussing the calculated adsorption energy, charge transfer, work function variation combined with charge density differenceCited by: 1

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  • Nanomaterials Based Gas Sensors for SF6

    Nanomaterials Based Gas Sensors for SF6 Decomposition Components Detection. Edited by: Xiaoxing Zhang, Ju Tang, SongCited by: 1

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  • Detecting characteristics of SF6 decomposed gas sensor

    A ppb-level CO sensor based on multi-comb optical-feedback cavity enhanced absorption spectroscopy with a 2.3 μm diode laser was developed for SF6 decomposition analysis in electric power system.

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  • OSA | Highly sensitive SO2 photoacoustic sensor for SF6

    A compact ppb-level SO2 photoacoustic sensor was developed for the application of SF6 decomposition detection in electric power systems. The selection of the SO2 target spectrum is discussed in detail in the infrared (IR) and ultraviolet (UV) spectral regions. Based on the result of the spectrum selection, a small-sized UV-bandCited by: 13

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  • Tellurene Nanoflake-Based Gas Sensors for the

    The sensors response to the main characteristic gaseous decomposition products of SF6 is evaluated. The gas sensing characteristic curves of the Pt-doped TiO2 nanotube sensor and intrinsic TiO2

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  • Tellurene Nanoflake-Based Gas Sensors for the

    2021-2-24Tellurene has a phosphorene-like puckered configuration and exhibits great air stability. This characteristic makes it highly sensitive to some gases, and therefore, it has a huge potential in gas sensing applications. In this paper, the sensing performance of tellurene-based gas sensors toward SF6 decompositionCited by: 1

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  • A highly sensitive and selective SnS2 monolayer sensor in

    2021-3-1A 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 gasesAuthor: Shiying Guo, Xuemin Hu, Yong Huang, Wenhan Zhou, Hengze Qu, Lili Xu, Xiufeng Song, Shengli Zhang, Ha...

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  • The SF6 Decomposition Mechanism: Background and

    2017-1-24Gas Insulated Switchgear (GIS) has been widely used in substations. The insulating medium used in GIS is sulfur hexafluoride (SF6) gas. However, the internal insulation defect existed in GIS would inevitably lead to partial discharge (PD), and cause the composition of SF6 to SOF2, SO2F2 and SO2 and other characteristic component gases. The decompositionCited by: 1

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  • Multivariate Evaluation Method for Screening Optimum

    2020-7-24Here, we propose a new method for evaluating sensor effectiveness that includes a broader range of performance indices. In this study, four gas sensors based on metal-oxide semiconductors (WO3, CeO2, In2O3, and SnO2) were used as examples, and their performance in the detection of four decomposition productsAuthor: Jifeng Chu, Xu Yang, Aijun Yang, Dawei Wang, Huan Yuan, Xiaohua Wang, Mingzhe Rong

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  • TiO2 Nanotube Array Sensor for Detecting the SF6

    The detection of partial discharge through analysis of SF6 gas components in gas-insulated switchgear, is significant for the diagnosis and assessment of the operating state of power equipment. The present study proposes the use of a TiO2 nanotube array sensor for detecting the SF6 decomposition product SO2, and theCited by: 124

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  • High sensitivity gas sensor to detect SF6 decomposition

    2020-10-1Development of SF6 decomposition gas sensor Surf. Coat. Technol. , 169–170 ( 2003 ) , pp. 643 - 645 , 10.1016/s0257-8972(03)00095-1 Article Download PDF View Record in Scopus Google ScholarCited by: 1

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  • Highly sensitive and selective polyaniline thin-film

    2015-2-1Gas sensors for detecting SF 6 decomposition products under partial discharge have been considered as an effective and low-cost apparatus for electrical insulation diagnosis of gas-insulated switchgear. A new gas sensor was developed using polyaniline (PANI) conducting polymers. HCl-doped PANI was successfullyCited by: 17

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  • Phosphorene: A Promising Candidate for Highly Sensitive

    2017-5-5Abstract: Phosphorene is a promising candidate for gas sensing materials. This letter describes our study of the adsorption of SF 6 and SF 6 decomposition gases (SO 2 and H 2 S) on phosphorene. We used first principles calculations to explore phosphorenes potential applications as gas sensor to diagnose the stateCited by: 119

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  • Nanomaterials‐based gas sensors of SF6 decomposed

    The optical property of 2D nanomaterials was also considered as the useful characteristic to be employed for sensing application. For example, the PAS‐based sensor was used for H 2 S detection in SF 6 decompositionCited by: 20

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  • A Pt-Doped TiO2 Nanotube Arrays Sensor for Detecting

    The detection of partial discharge and analysis of SF6 gas components in gas-insulated switchgear (GIS) is important for the diagnosis and operating state assessment of power equipment. The use of a Pt-doped TiO2 nanotube arrays sensor for detecting sulfur hexafluoride (SF6) decomposition products is proposed in thisCited by: 25

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  • Sensors | Free Full-Text | Sensitivity Characteristic

    Sulfur hexafluoride (SF6) gas decomposition results from the energy produced by partial discharge (PD). The detection of SO2 and H2S content, as important characteristic components of the decomposition products, is significant in the determination of the insulation level of SF6 gas and the inside insulation faults ofCited by: 10

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  • OSA | Highly sensitive and selective CO sensor using a 2

    A ppm-level CO sensor based on a 2f wavelength modulation spectroscopy (2f-WMS) technique was developed for the application of SF6 decomposition analysis in an electric power system. A detailed investigation of the optimum target line selection was carried out to avoid spectral interference from high purity SF6 in a wide

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  • Sensitivity Characteristic Analysis of Adsorbent-Mixed

    2014-6-21observed. The resistance-change rate of the sensor, which is called the response of the sensor, was calculated as: U R R 0 R 0 u100% (1) where R is the resistance value of the sensor after the injection of SF 6 decomposition product gas, and R 0 is the initial resistance value of the sensor under vacuum. (3) When theCited by: 10

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  • TiO2 nanotube array sensor for detecting the SF6

    2012-3-73.5. Sensor Stability Testing of the TiO 2 Nanotube Array. According to the experimental method and process in Section 2.3, when the temperature was at 200 &C, the sensor stability test towards the SF6 decomposition component SO 2 was conducted. The test results are shown in Figure 10.

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  • A Pt-doped TiO2 nanotube arrays sensor for detecting

    The detection of partial discharge and analysis of SF6 gas components in gas-insulated switchgear (GIS) is important for the diagnosis and operating state assessment of power equipment. The use of a Pt-doped TiO2 nanotube arrays sensor for detecting sulfur hexafluoride (SF6) decomposition products iCited by: 25

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  • An On-Line Monitoring System of SF6 Decomposition in

    Abstract: This work is dedicated to the development of an on-line monitoring system of SF6 decomposition in electrical devices (SF 6 DcpMS) in order to evaluate the health condition of the devices in real time. The feature decomposition, SO 2, and SF 6 purity are continuously monitored. Considering the oxidation-reduction reactions of SO 2 electrochemical sensorAuthor: Hui Xuan Shi, Jin Qian, Xiao Bo Liu, Xiao Li Liu

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  • Highly sensitive photoacoustic multicomponent gas

    A ppb-level photoacoustic multicomponent gas sensor system for sulfur hexafluoride (SF6) 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 twoCited by: 8

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  • TiO2 nanotube array sensor for detecting the SF6

    The present study proposes the use of a TiO(2) nanotube array sensor for detecting the SF(6) decomposition product SO(2), and the application of the anodic oxidation method for the directional growth of highly ordered TiO(2) nanotube arrays. The sensor response of 10-50 ppm SO(2) gas is tested, and the sensitive responseCited by: 124

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  • Sensitivity Characteristic Analysis of Adsorbent-Mixed

    Sulfur hexafluoride (SF 6) gas decomposition results from the energy produced by partial discharge (PD).The detection of SO 2 and H 2 S content, as important characteristic components of the decomposition products, is significant in the determination of the insulation level of SF 6 gas and the inside insulation faults ofCited by: 10

    Get Price
  • High Sensitivity and Selectivity of AsP Sensor in

    2018-8-13The sensing properties of monolayer arsenic phosphorus (AsP) for the adsorption of SF6, H2O, O2, and SF6 decomposition gases (SO2 and H2S) are theoretically investigated by the first-principleCited by: 7

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