Results 41 to 50 of about 777 (200)
Surface discharge propagation in C4F7N/CO2 mixture under positive impulse voltages [PDF]
Applied Physics Letters, 2022 C4F7N/CO2 is a promising mixture to replace SF6 in an electrical insulation field for its environment friendly property. Understanding surface discharge behaviors of the C4F7N/CO2 mixture is essential for designing an effective insulation system. In this work, surface discharge propagation characteristics in the C4F7N/CO2 mixture under positive impulse
Junhong Chen +6 more
openaire +1 more source
Clarifications on the behavior of alternative gases to SF6 in divergent electric field distributions under AC voltage [PDF]
, 2021 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)
(Manu) Haddad, Abderrahmane +3 more
core +2 more sources
AC volume breakdown and surface flashover of a 4% NovecTM 4710/96% CO2 gas mixture compared to CO2 in highly nonhomogeneous fields [PDF]
, 2020 AC pre-discharge currents, breakdown, and flashover voltage measurements are reported in a 10 mm needle-plane arrangement in a 4% NovecTM 4710/96% CO2 gas mixture and compared with CO2 for pressures up to 8.8 bar abs.
Haddad, Abderrahmane +3 more
core +2 more sources
Arc decomposition behavior of C4F7N/Air gas mixture and biosafety evaluation of its by‐products
High Voltage, 2022 At present, reports on the arc interruption and decomposition behavior of a C4F7N/air gas mixture especially the biosafety of its by‐products are limited.
Fanchao Ye +7 more
doaj +1 more source
Surface flashover in 50 years: Theoretical models and competing mechanisms
High Voltage, Volume 8, Issue 5, Page 853-877, October 2023., 2023 Abstract Surface flashover is a devastating electronic avalanche along the gas–solid interface when a high electric field is applied, which is a potential issue that threatens the safe operations of advanced power electronic, electrical, and spacecraft applications. However, the underlying physical mechanisms for surface flashover development are still
Zhen Li +5 more
wiley +1 more source
Shanghai Jiaotong Daxue xuebao, 2023 Optical detection of partial discharge (PD) is an important way to reflect the insulation status of equipment. C4F7N/CO2 gas mixture is one of the most potential substitutes for SF6 at present, but there is a lack of research on its optical PD ...
LI Ze, QIAN Yong, ZANG Yiming, ZHOU Xiaoli, SHENG Gehao, JIANG Xiuchen
doaj +1 more source
High Voltage, Volume 8, Issue 2, Page 274-282, April 2023., 2023 Abstract C4F7N is considered to be the most potential alternative gas for SF6. However, harmful decomposition by‐products generated by the discharge or overheating faults will pose threat to safe operation and service life of gas insulated equipment (GIE).
Song Xiao +8 more
wiley +1 more source
Study on Arc Extinguishing Performance of DC C4F7N/CO2 Mixed Gas
IOP Conference Series: Earth and Environmental Science, 2021 Abstract The arc characteristic analysis of C4F7N/CO2, CO2 and SF6 gases with volume fraction of 10%C4F7N-90% under DC condition is studied. Firstly, based on the internal physical process of arc, a two-dimensional axisymmetric arc model of C4F7N/CO2, CO2 and SF6 gas was established and calculated.
Chengli Wang +3 more
openaire +1 more source
Bibliometric Analysis of Computational Chemistry Research and Its Correlation with Covid-19 Pandemic [PDF]
, 2022 Computational Chemistry is a branch of chemistry that employs computer simulations to assist in resolving problems regarding chemistry. The goal of this research is to combine mapping analysis from VOSviewer software to analyze bibliometrics in ...
Dedi Sulistiyo Soegoto, Herry Saputra, Chepi Nur Albar,
core +2 more sources
High Voltage, 2022 The application of eco‐friendly C4F7N/CO2 gas mixture has become a hot topic in the power industry. To obtain the influence law of micro‐water on the AC insulation characteristics of C4F7N/CO2 gas mixture, breakdown tests were carried out under different
Yuan Yang +5 more
doaj +1 more source