Relevant bibliographies by topics / C4F7N-CO2-O2 mixture

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  2. Dissertations / Theses

Academic literature on the topic 'C4F7N-CO2-O2 mixture'

Author: Grafiati
Published: 1 June 2024

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Journal articles on the topic "C4F7N-CO2-O2 mixture"

1

Ye, Fanchao, Xiaoxing Zhang, Yi Li, et al. "Effect of O2 on AC Partial Discharge and Decomposition Behavior of C4F7N/CO2/O2 Gas Mixture." IEEE Transactions on Dielectrics and Electrical Insulation 28, no. 4 (2021): 1440–48. http://dx.doi.org/10.1109/tdei.2021.009626.

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2

Ye, Fanchao, Xiaoxing Zhang, Cheng Xie, et al. "Effect of Oxygen and Temperature on Thermal Decomposition Characteristics of C4F7N/CO2/O2 Gas Mixture for MV Equipment." IEEE Access 8 (2020): 221004–12. http://dx.doi.org/10.1109/access.2020.3043334.

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3

Perez, Antoine, Abderrahmane Beroual, Frank Jacquier, and Alain Girodet. "Measurement of Streamer Propagation Velocity over Solid Insulator Surface in a C4F7N/CO2/O2 Mixture under Lightning Impulse Voltages." IEEE Transactions on Dielectrics and Electrical Insulation 28, no. 2 (2021): 481–87. http://dx.doi.org/10.1109/tdei.2020.009257.

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4

Wang, Yong, Danqing Huang, Jing Liu, Yaru Zhang, and Lian Zeng. "Alternative Environmentally Friendly Insulating Gases for SF6." Processes 7, no. 4 (2019): 216. http://dx.doi.org/10.3390/pr7040216.

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Sulfur hexafluoride (SF6) shows excellent insulation performance as an insulating gas. It is suitable for various climate conditions due to its low boiling point (−64 °C). Therefore, it has been widely used in power grid equipment. However, its global warming potential (GWP) is 23,500 times higher than that of CO2. Thus, it is imperative to find an environmentally friendly insulating gas with excellent insulation performance, lower GWP, and which is harmless to equipment and workers to replace SF6. In this review, four possible alternatives, including perfluorocarbons, trifluoroiodomethane, pe
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5

Nechmi, Houssem Eddine, Michail Michelarakis, Abderrahmane (Manu) Haddad, and Gordon Wilson. "Clarifications on the Behavior of Alternative Gases to SF6 in Divergent Electric Field Distributions under AC Voltage." Energies 14, no. 4 (2021): 1065. http://dx.doi.org/10.3390/en14041065.

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Negative and positive partial discharge inception voltages and breakdown measurements are reported in a needle-plane electrode system as a function of pressure under AC voltage for natural gases (N2, CO2, and O2/CO2), pure NovecTM gases (C4F7N and C5F10O) and NovecTM in different natural gas admixtures. For compressed 4% C4F7N–96% CO2 and 6% C5F10O–12% O2–82% CO2 gas mixtures, the positive-streamer mode is identified as the breakdown mechanism. Breakdown and negative partial discharge inception voltages of 6% C5F10O–12% O2–82% CO2 are higher than those of 4% C4F7N–96% CO2. At 8.8 bar abs, the
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6

Gnybida, M., Ch Ruempler, and V. R. T. Narayanan. "Radiative Properties and Numerical Modeling of C4F7N-CO2-O2 Thermal Plasma." PLASMA PHYSICS AND TECHNOLOGY 6, no. 2 (2019): 144–47. http://dx.doi.org/10.14311/ppt.2019.2.144.

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C<sub>4</sub>F<sub>7</sub>N and C<sub>4</sub>F<sub>7</sub>N-CO<sub>2</sub> mixtures are considered as alternatives to SF<sub>6</sub> for use in medium voltage gas insulated switchgear applications (GIS), due to the low global warming potential and good dielectric properties of C<sub>4</sub>F<sub>7</sub>N. Current work is focused on the calculation of radiative properties (absorption coefficients) of C<sub>4</sub>F<sub>7</sub>N-CO<sub>2</sub> thermal plasma and com
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7

Zhao, Danchen, Jing Yan, Ruixin He, Yingsan Geng, Zhiyuan Liu, and Jianhua Wang. "Decomposition mechanism of C4F7N/CO2 gas mixture based on molecular dynamics and effect of O2 content." Journal of Applied Physics 135, no. 2 (2024). http://dx.doi.org/10.1063/5.0174959.

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C4F7N/CO2 gas mixtures have attracted extensive attention because of their excellent insulating properties and environmental friendliness. High electrical and thermal stability is an important indicator for evaluating their performance, but there have been few molecular dynamics studies of their decomposition mechanisms. In this study, using ReaxFF molecular dynamics simulations and quantum chemistry theory, the decomposition mechanism of a C4F7N/CO2 gas mixture and the effect of the O2 content on the decomposition of the mixture were simulated on the microscopic level. It was found that there
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8

Thenkarai Narayanan, Venkat raman, Mykhailo Gnybida, and Christian Rümpler. "Transport and radiation properties of C4F7N-CO2 gas mixtures with added oxygen." Journal of Physics D: Applied Physics, April 27, 2022. http://dx.doi.org/10.1088/1361-6463/ac6af5.

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Abstract Owing to global and local legislative mandates pertaining to greenhouse gas emission reduction targets, the focus of industries dealing with electrical power management has shifted towards SF6 replacement within electrical or electromechanical equipment since 2010. In particular, fluoronitrile- (C4F7N) or fluoroketone- (C5F10O) based gas mixtures have been identified as the most promising candidates for this purpose in both medium-voltage (MV) and high-voltage (HV) gas insulated switchgear (GIS). The temperature and pressure ranges of interest are 300 K-30 kK and 1-5 bars respectively
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9

Vemulapalli, Hanut, and Christian M. Franck. "Pulsed Townsend measurements with mixtures of C4F7N and C5F10O up to 1800 Td." Journal of Physics D: Applied Physics, December 12, 2022. http://dx.doi.org/10.1088/1361-6463/acaab7.

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Abstract Effective ionization rate, bulk drift velocity and bulk longitudinal diffusion coefficient for electron swarms in mixtures consisting of either C4F7N or C5F10O in atmospheric gases - CO2, N2 and O2 are measured using a Pulsed Townsend setup. Measurements are carried out between 100 Td and 1800 Td.
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10

Zhang, Boya, Sunsiqin Wang, Li Chen, Xingwen Li, and Nian Tang. "Influence of oxygen on the solid carbon formation during arcing of eco-friendly SF6-alternatvie gases." Journal of Physics D: Applied Physics, May 17, 2023. http://dx.doi.org/10.1088/1361-6463/acd64e.

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Abstract During the arc breaking process of high-voltage circuit breaker, the eco-friendly SF6-alternative gases will inevitably decompose and generate various decomposition products. In some cases, it will contain solid by-products such as solid carbon, which will have a deterioration effect on the electrical insulation performance of the equipment. It has been found that adding a proper amount of O2 can effectively inhibit the formation of solid carbon. In this paper, based on the improved Gibbs free energy minimization method, a calculation model considering the solid decomposition products
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Dissertations / Theses on the topic "C4F7N-CO2-O2 mixture"

1

Ye, Fanchao. "Fault decomposition characteristics and application feasibility assessment of C4F7N-CO2-O2 mixed insulating gas." Electronic Thesis or Diss., Orléans, 2023. http://www.theses.fr/2023ORLE1030.

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Dans ce travail de doctorat, une étude théorique et expérimentale systématique a été menée sur l'isolation du mélange de gaz C4F7N-CO2-O2 respectueux de l'environnement et ses caractéristiques de décomposition et de biosécurité sous défauts électriques et thermiques. Sur la base de la méthode de dynamique moléculaire ReaxFF, le processus de décomposition thermique du mélange gazeux sous différentes teneurs en O2 et températures est simulé. En combinant les résultats simulés avec des essais de décomposition thermique, le processus cinétique de décomposition thermique du mélange gazeux et le méc
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