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Ag Modified SnS2 Monolayer as a Potential Sensing Material for C4F7N Decompositions: A Density Functional Theory Study

ACS Omega
Xiangyu Tan, Zhimin Na, Ran Zhuo, Fangrong Zhou, Dibo Wang, Longchang Zhu, Peng Wu   +6 more
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Leak detection of C4F7N mixed gas using infrared imaging based on YOLO11

AOPC 2025: Infrared and Terahertz Technology and Applications
The C4F7N mixed gas, which exhibits excellent insulation properties and environmentally friendliness, has been preliminarily applied in the power industry. For detecting C4F7N gas leaks, the infrared spectral imaging is a key non-contact method. However,
Guliang Zhou, Yuan-qing Yang, Xianglian Yan, Wen Wang, Yin Huang, Zhengyong Hu, Yanpeng Suo, Yurui Zhou, Fengxun Zheng   +8 more
semanticscholar   +2 more sources

Pulsed Townsend measurement of electron swarm parameters in C4F7N–CO2 and C4F7N–N2 mixtures as eco-friendly insulation gas

Journal of Applied Physics, 2022
Recently, C4F7N mixtures have attracted attention as a promising SF6 alternative due to their low global warming potential and excellent electrical performance. In this study, we introduce a newly built experimental setup for pulsed Townsend measurements as well as the physical model for the acquisition of electron swarm parameters.
Boya Zhang, Jiayu Xiong, Mai Hao, Yuyang Yao, Xingwen Li, Anthony B. Murphy   +5 more
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Effects of Buffer Gases on Plasma Properties and Arc Decaying Characteristics of C4F7N–N2 and C4F7N–CO2 Arc Plasmas

Plasma Chemistry and Plasma Processing, 2019
C4F7N is one of the most promising candidate to replace SF6 as arc quenching medium. Some buffer gases (N2 and CO2) are usually mixed with C4F7N to reduce the operating temperature. In order to provide priori knowledge of the arc quenching performance for C4F7N mixtures, the plasma properties including equilibrium compositions, thermodynamic properties,
Linlin Zhong, Jiayu Wang, Jie Xu, Xiaohua Wang, Mingzhe Rong   +4 more
openaire   +1 more source

Compatibility between C4F7N/CO2and Epoxy Resin in Electro-thermal Environment

2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE), 2020
Fluorinated nitrile (C4F7N) is a potential SF 6 -alternative gas in Gas-Insulated Transmission Line (GIL) due to its lower impact to global warming and excellent dielectric strength. To ensure the long-term physical and chemical stability between C 4 F 7 N/CO 2 gas and epoxy resin assembling in GIL, laboratory tests on the material compatibility under ...
Ruijun Yuan, Han Li, Wenjun Zhou, Jianhui Yu, Ruzhang Li, Cheng Pan   +5 more
openaire   +1 more source

Decomposition pathway of C4F7N gas considering the participation of ions

Journal of Applied Physics, 2020
Recently, fluoronitrile C4F7N is regarded as a promising alternative gas for SF6, and its global warming potential (GWP) is extremely high. C4F7N has good insulation properties and a relatively low GWP, so it can be used as an insulation medium for gas-insulated switchgears.
Li Chen, Boya Zhang, Xingwen Li, Tao Yang   +3 more
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Surface discharge pattern of C4F7N/CO2 mixture under negative impulse voltages

Applied Physics Letters, 2022
Due to the excellent properties, C4F7N/CO2 mixture is the most concerned eco-friendly SF6 alternative gas. For a better understanding of the surface discharge characteristics, the surface discharge pattern of C4F7N/CO2 mixture under negative impulse voltages is investigated in this work. The morphology of the surface discharge is obtained by an optical
Junhong Chen, Peng Sun, Jinshu Li, Wendong Li, Yuan Li, Junbo Deng, Shengchang Ji, Guan-Jun Zhang   +7 more
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Decomposition mechanism and kinetics of iso-C4 perfluoronitrile (C4F7N) plasmas

Journal of Applied Physics, 2019
Iso-C4 perfluoronitrile (C4F7N) is one of the most promising alternatives to SF6 for use in power equipment, such as high-voltage circuit breakers, due to its excellent electrical properties and environmentally friendly characteristics. The use of SF6 is being reduced because of its high global warming potential.
Li Chen, Boya Zhang, Jiayu Xiong, Xingwen Li, Anthony B. Murphy   +4 more
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Research on C4F7N gas mixture detection based on infrared spectroscopy

Sensors and Actuators A: Physical, 2019
Abstract As a promising insulated gas to replace SF6, C4F7N gas mixture has gradually been put into practical application. It has great practical significance for condition monitoring and fault diagnosis of electrical equipment with C4F7N gas mixture.
Yin Zhang, Xiaoxing Zhang, Chang Liu, Yi Li, Hongtu Cheng, Hai Xiao   +5 more
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High-Performance Co3O4 Nanoparticle-Based Gas Sensor for Leakage Detection of Eco-Friendly Insulating Gas C4F7N.

ACS Sensors
Perfluoroisobutyronitrile (C4F7N), an eco-friendly insulating gas, has been extensively utilized in diverse gas-insulated equipment (GIE) to replace the most potent greenhouse gas SF6.
S. Xiao, Yuhang Xue, Zhanyuan Li, Chengying Wu, Yifan Zhang, Peng Wu, Ju Tang, Xiaoxing Zhang, Hongye Yuan, Yi Li   +9 more
semanticscholar   +1 more source