Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Weifeng Xin"'
Publikováno v:
IEEE Access, Vol 11, Pp 97250-97258 (2023)
Gas insulated transmission lines (GIL) have a wide application prospect in special occasions such as cross terrain power transmission. Metal particle pollution is an important reason for the low insulation performance of GIL. When micron metal partic
Externí odkaz:
https://doaj.org/article/866058dd34f548cb8f654ea1f705568d
Autor:
Yongfeng Zhao, Yunrui Ma, Junli Du, Chaohua Wang, Dawei Xia, Weifeng Xin, Zhenyu Zhan, Runfeng Zhang, Jiangyi Chen
Publikováno v:
Applied Sciences, Vol 13, Iss 18, p 10274 (2023)
In order to solve the noise reduction problem of acoustic emission signals with cracks, a method combining Complementary Ensemble Empirical Mode Decomposition (CEEMD) and wavelet packet (WPT) is proposed and named CEEMD-WPT. Firstly, the single Empir
Externí odkaz:
https://doaj.org/article/ce16e203bcac4c04b70d9079a86a4f07
Autor:
Yunrui Ma, Manling Dong, Jinfeng Geng, Weifeng Xin, Lingxiao Meng, Huajie Yang, Zhefeng Zhang
Publikováno v:
AIP Advances, Vol 12, Iss 10, Pp 105316-105316-6 (2022)
Considering the consumption of time and energy for the traditional heat treatment process, a new heat treatment method with high speed and low energy consumption has always been the direction of researchers. The microstructure and mechanical properti
Externí odkaz:
https://doaj.org/article/874e08a4bec147f8a12e41c607db0f94
Publikováno v:
IEEE Access, Vol 9, Pp 68619-68628 (2021)
In view of the threat of metal particles to the insulation performance of AC GIL (Gas insulated transmission line), this paper uses aluminum powder to simulate the metal particles which are closer to the engineering practice, A scaled-down model simi
Externí odkaz:
https://doaj.org/article/4baafe5297c84f2f93fedf9b785d099b
Publikováno v:
AIP Advances, Vol 11, Iss 6, Pp 065203-065203-10 (2021)
Epoxy resin is the main material of spacer in a gas insulated transmission line and other gas-insulated equipment. During long-term operation, the charge accumulates on the surface of the epoxy resin, which will distort the electric field and thus ac
Externí odkaz:
https://doaj.org/article/5b873f5b05c84a6491b86ec6a95962f6
Publikováno v:
IEEE Access, Vol 9, Pp 68619-68628 (2021)
In view of the threat of metal particles to the insulation performance of AC GIL (Gas insulated transmission line), this paper uses aluminum powder to simulate the metal particles which are closer to the engineering practice, A scaled-down model simi
Publikováno v:
AIP Advances, Vol 11, Iss 6, Pp 065203-065203-10 (2021)
Epoxy resin is the main material of spacer in a gas insulated transmission line and other gas-insulated equipment. During long-term operation, the charge accumulates on the surface of the epoxy resin, which will distort the electric field and thus ac
Autor:
Wang Lei, Qin Hao, Wang Bin, Weifeng Xin, Zhang Guogang, Wang Dong, Zhang Zhuo, Liu Yakui, Ma Deying
Publikováno v:
2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP).
This paper introduces the basic concept of stress- strength interference model in mechanical reliability analysis. The stress-relaxation model, combined strength degradation model and reliability calculation model of cylindrical coil spring are given
Publikováno v:
IEICE Transactions on Electronics. :888-893
Publikováno v:
2013 2nd International Conference on Electric Power Equipment - Switching Technology (ICEPE-ST).
The common widely-used arcing model for the simulation of very fast transient overvoltage(VFTO) caused by switching operations of disconnector switching(DS) in SF6 Gas Insulated Switchgear(GIS) involves only one single spark model in which the superi