Results 1 to 10 of about 50,186 (313)

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   +3 more sources

Environment-friendly insulating gases for HVDC gas-insulated transmission lines

CSEE Journal of Power and Energy Systems, 2021
Environmental-friendly gas insulating medium adapted to DC gas-insulated transmission line (GIL) electric field conditions is the key to the next generation of environmental-friendly HVDC GILs.
Geng Chen, Youping Tu, Cong Wang, Jue Wang, Zhikang Yuan, Guoming Ma, Jian Wang, Bo Qi, Chuanyang Li   +8 more
doaj   +4 more sources

Field Optimization and Electrostatic Stress Reduction of Proposed Conductor Scheme for Pliable Gas-Insulated Transmission Lines

Applied Sciences, 2019
The implementation of stranded conductors in flexible gas-insulated transmission lines (FGILs) requires field intensity minimization as well as field irregularity suppression in order to avoid dielectric breakdown.
Muhammad Junaid Alvi, Tahir Izhar, Asif Ali Qaiser, Hafiz Shafqat Kharal, Adnan Safdar   +4 more
doaj   +3 more sources

Shape optimisation of basin insulator for DC gas insulated switchgear/gas insulated transmission lines based on artificial bee colony algorithm

High Voltage, 2023
The surface charge accumulation on the basin insulator is a particular problem in high‐voltage direct current (HVDC) gas insulated switchgears (GIS) and gas insulated transmission lines (GIL), which restricts the development and application of extra ...
Yi Luo, Shiyi Mao, Ju Tang, Zijun Pan, Cheng Pan   +4 more
doaj   +2 more sources

Seismic Performance Evaluation and Retrofit Strategy of Overhead Gas-Insulated Transmission Lines

Buildings, 2023
The overhead gas-insulated transmission line (GIL) in ultra-high-voltage converter stations, distinct from traditional buried pipelines, demands a thorough investigation into its seismic behavior due to limitations in existing codes.
Xiaoxuan Li, Qiang Xie, Jiayi Wen
doaj   +2 more sources

A Review on Real-Size Epoxy Cast Resin Insulators for Compact High Voltage Direct Current Gas Insulated Switchgears (GIS) and Gas Insulated Transmission Lines (GIL)—Current Achievements and Envisaged Research and Development

Energies, 2020
Due to the ever-increasing demand for electricity in the one hand and the environmental constraints to use clean energy on the other hand, the global production of energy from remote renewable sources, particularly from large hydropower plants and ...
Nabila Zebouchi, Manu. A. Haddad
doaj   +2 more sources

Review of Surface Charge Accumulation on Insulators in DC Gas-Insulated Power Transmission Lines: Measurement and Suppression Measures

Energies, 2023
Gas-insulated power transmission lines (GILs) can replace cables and overhead transmission lines, playing an important role in DC transmission systems. However, the influence of surface charge accumulation on insulation reliability cannot be ignored as ...
Fangwei Liang, Hanhua Luo, Xianhao Fan, Xuetong Li, Xu Wang   +4 more
doaj   +2 more sources

Methods for alleviation of impacts of axial diffusion on decomposition products monitoring in gas‐insulated transmission lines

High Voltage, 2022
Considering the long length of gas‐insulated transmission lines (GILs), novel methods are required to alleviate the impacts of axial diffusion on decomposition products' monitoring.
Rui Qiu, Weijiang Chen, Wenjun Zhou, Ming Liu, Jianming Zou, Yu Zheng, Han Li, Shizhuo Hu, Jianhui Yu   +8 more
doaj   +2 more sources

Electromagnetic transient characteristics and overvoltage suppression strategy of renewable energy-oriented power system connected by gas-insulated transmission lines

Frontiers in Energy Research, 2022
New energy systems, such as wind power and photovoltaic and distributed power supply, in the power generation and grid-connected transmission system basically will use stronger insulation design, higher operational safety, and smaller footprint GIL ...
Guang Yang, Yong Zhu, Fanxing Zen, Shengzhi Zhou, Yuhang Chen   +4 more
doaj   +2 more sources

Curing kinetics and residual stress modelling of gas‐insulated transmission lines tri‐post insulators

High Voltage
The tri‐post insulator is a core component within the gas‐insulated transmission lines (GIL), providing both electrical insulation and mechanical support.
Yuhuai Wang, Songtao Liu, Jin Li, Hucheng Liang, Meng Xiao, Yun Chen, Boxue Du   +6 more
doaj   +2 more sources