Results 1 to 10 of about 50,685 (187)

Unsteady heat transfer of long gas insulated transmission lines in tunnel: Model and analysis [PDF]

Heliyon
The temperature of the cable core and cable casing is crucial for the safety and efficiency of the transmission system. Accurately predicting the distribution and variation of the transmission temperature field in the gas insulated transmission lines ...
Guo Li, Wenhui Zeng, Jiayuan Fan, Luo Yi, Wenjie Xu   +4 more
doaj   +2 more sources

Finite Element Analysis and Experimental Study of Metal Shell of GIL [PDF]

E3S Web of Conferences, 2021
Mathematical modeling, finite element numerical simulation and experimental measurement of the stress-deformation distribution of the gas-insulated metal-enclosed transmission line shell were carried out.
Mimi Gong, Yantao Zhao, Jiajia Fu, Changlu Luo, Mingdao Sun, Zhiqiang Ma, Fengtao Shi, Zhenkui Gao, Fang Sun, Zhankui Li   +9 more
doaj   +1 more source

Development of HVDC Gas-Insulated Components for the Power Supply of Neutral Beam Injectors

IEEE Access, 2023
The development of High Voltage Direct Current Gas-Insulated components that will be employed for the power supply of Neutral Beam Injectors, requires specific numerical tools to analyze the electric field distribution, with the purpose of supporting the
Francesco Lucchini, Nicolo Marconato
doaj   +1 more source

Partial Discharge Measurements in a High Voltage Gas Insulated Transmission Line Insulated with CO₂

Energies, 2020
This paper uses practical experimentation to analyse the effect of replacing SF6 with pure CO2 in conventional gas insulated transmission line sections by studying partial discharge measurements taken with applied voltages up to 242 kV (rms). The results
Phillip Widger, Daniel Carr, Alistair Reid, Meirion Hills, Chris Stone, A. (Manu) Haddad   +5 more
doaj   +1 more source

Determination of the Operating Temperature of the Gas-Insulated Transmission Line

Applied Sciences, 2020
Gas-insulated lines (GILs) have been increasingly used as high-current busducts for high-power transmission. Temperature is one of the most important factors affecting the performance and ampacity of GILs. In this paper, an analytical method was proposed
Tomasz Szczegielniak, Dariusz Kusiak, Paweł Jabłoński   +2 more
doaj   +1 more source

Feasibility of C(3)F(7)CN/CO(2) gas mixtures in high-voltage DC GIL: a review on recent advances

High Voltage, 2020
With the rise of renewable energy resources, especially offshore wind power plant, the DC transmission concept has attracted more and more attention.
Youping Tu, Geng Chen, Cong Wang, Cong Wang, Yuming Shao, Yujing Tong, Chuanyang Li, Guoming Ma, Tohid Shahsavarian   +8 more
doaj   +1 more source

Simulation and Experiment of SF₆/N₂ Mixed Gas Distribution in High Vertical Drop GIL

IEEE Access, 2021
Dielectric breakdown of a vertical Gas insulated transmission line (GIL) caused by demixing of the mixture of SF6/N2 is studied by both theoretical simulation and the experimental measure.
Wei Liu, Zhenxi Su, Xinghua Zhang
doaj   +1 more source

A Review of UHV AC GIL Ex-factory Test Technology

Zhongguo dianli, 2020
Based on the application of UHV gas-insulated metal-enclosed transmission line(GIL)in the Sutong GIL Utility Tunnel Project, this paper firstly introduces the structural characteristics of UHV GIL, and analyzes its main technical parameters, type test ...
Shuang CHEN, Yan LIU, Chao BIAN, Pengfei ZHANG, Boyuan CUI, Yun CHEN, Jiazhong XU   +6 more
doaj   +1 more source

Designing HVDC GIS/GIL spacer to suppress charge accumulation

High Voltage, 2022
To suppress the charge accumulation on the spacer surface in direct current (DC) gas insulated transmission line (GIL) is an important and emergent issue for the development of a clean, safe and economic smart grid.
Zuodong Liang, Chuanjie Lin, Fangwei Liang, Weijian Zhuang, Yujia Xu, Lingling Tang, Yulin Zeng, Jun Hu, Bo Zhang, Chuanyang Li, Jinliang He   +10 more
doaj   +1 more source

Plasma fluorination on epoxy resin surface and its effect on flashover properties

AIP Advances, 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 ...
Zhenyu Zhan, Dong Wang, Weifeng Xin, Yang Liu, Leilei Wang, Taiyu Chen, Chenyuan Teng   +6 more
doaj   +1 more source