Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Yeon-Ho Oh"'
Autor:
Nidhi Sinha, Mi-Young Song, Hyonu Chang, Heechol Choi, Hyun-Jae Jang, Yeon-Ho Oh, Ki-Dong Song
Publikováno v:
Applied Sciences, Vol 13, Iss 23, p 12612 (2023)
Electron impact scattering from C3F6O is studied in this work. The R-matrix method was used for the calculations of elastic, momentum transfer, and excitation cross sections. The attachment cross section was obtained through a parametric estimator ba
Externí odkaz:
https://doaj.org/article/64b3b550d52949e9af0b76419bced1b9
Publikováno v:
AIP Advances, Vol 10, Iss 4, Pp 045103-045103-8 (2020)
The dielectric breakdown properties of dry air, which is widely used as the insulation gas in switchgears of electric distribution systems, are determined for dry-air switchgear analysis and design. In this study, a two-term Boltzmann analysis was ap
Externí odkaz:
https://doaj.org/article/e15dfe3a9e1a450e95e320a8c46049fe
Autor:
Woo-Young Lee, Jang-Un Jun, Ho-Seok Oh, Jun-Kyu Park, Yeon-Ho Oh, Ki-Dong Song, Hyun-Jae Jang
Publikováno v:
Energies, Vol 13, Iss 23, p 6388 (2020)
In the study, an interrupting performance test on the 145 kV gas circuit breaker is performed according to three different gases: SF6, g3 (5% NovecTM4710 with 95% CO2), and CO2(70%)/O2(30%) gases. Thanks to research advancements, it is confirmed that
Externí odkaz:
https://doaj.org/article/3a2ea08db1c244159c52408829a6f830
Autor:
Yeunsoo Park, Young Rock Choi, Dae-Chul Kim, Yonghyun Kim, Mi-Young Song, Young-Woo Kim, Hyuck Cho, Hyun-Jae Jang, Yeon-Ho Oh, Ki-Dong Song
Publikováno v:
Current Applied Physics. 41:111-115
Publikováno v:
2022 6th International Conference on Electric Power Equipment - Switching Technology (ICEPE-ST).
Autor:
Jang-Un Jun, Jun-Kyu Park, Hyun-Jae Jang, Ho-Seok Oh, Woo-Young Lee, Yeon-Ho Oh, Ki-Dong Song
Publikováno v:
Energies
Volume 13
Issue 23
Energies, Vol 13, Iss 6388, p 6388 (2020)
Volume 13
Issue 23
Energies, Vol 13, Iss 6388, p 6388 (2020)
In the study, an interrupting performance test on the 145 kV gas circuit breaker is performed according to three different gases: SF6, g3 (5% NovecTM4710 with 95% CO2), and CO2(70%)/O2(30%) gases. Thanks to research advancements, it is confirmed that
Publikováno v:
IEEE Transactions on Plasma Science. 46:982-989
This paper represents the prediction of the thermal interruption characteristics of a 72.5-kV CO2 circuit breaker (CB). An analysis method to simulate CO2 arc plasma was developed. The principle phenomena of CO2 arc plasma—nonideal gas behavior, ra
Publikováno v:
Journal of Electrical Engineering and Technology. 11:1783-1786
The paper investigates the insulation properties of the supercritical CO₂ (SCCO₂) fluid as an insulating medium for electrical apparatuses. The insulating material is crucial for electrical apparatuses and SF6 gas has been widely used for high po
Publikováno v:
Journal of Electrical Engineering and Technology. 11:969-973
Interruption tests were conducted using the same circuit breaker for an initial pressure of SF6 0.5 MPa (gauge pressure) and CO 2 mixture 1.0 MPa, 0.8 MPa, and 0.6 MPa. The pressure-rises in the compression and thermal expansion chambers were measure