Results 161 to 170 of about 7,176,145 (231)
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Particle behavior and trap design for ±320 kV gas-insulated power transmission line (GIL)
Journal of Physics D: Applied Physics, 2023The movement of metal particles in the electric field of the DC gas-insulated transmission line (GIL) may cause local electric field distortion on the surface of the spacer, which seriously affects the operation stability of the GIL. In this paper, based
Weijian Zhuang +8 more
semanticscholar +1 more source
Temperature-Dependent Surface Charge Accumulation for Vertical and Horizontal HVDC GIL
IEEE transactions on dielectrics and electrical insulation, 2023In this article, the heat transfer process of dc gas-insulated transmission line (GIL) is comprehensively considered, including thermal conduction, thermal convection, and thermal radiation.
Lei Zhang +3 more
semanticscholar +1 more source
Surface Charging Affecting Metal Particle Lifting Behaviors Around Epoxy Spacer of HVDC GIL/GIS
IEEE transactions on dielectrics and electrical insulation, 2022In this article, the mechanisms of surface charging and surface modification of epoxy spacer affecting the lifting voltage and the motion trajectory of spherical metal particles in a downsized dc gas insulated transmission line (GIL) are investigated by ...
Jin Li +6 more
semanticscholar +1 more source
IEEE transactions on dielectrics and electrical insulation, 2022
In this article, the surface charge characteristics of the direct current gas-insulated transmission lines (DC-GIL) insulator under thermal–electric coupled fields are investigated.
Xiaolong Li +3 more
semanticscholar +1 more source
In this article, the surface charge characteristics of the direct current gas-insulated transmission lines (DC-GIL) insulator under thermal–electric coupled fields are investigated.
Xiaolong Li +3 more
semanticscholar +1 more source
Simulation and Analysis on Motion Behavior of Metal Particles in AC GIL
IEEE transactions on dielectrics and electrical insulation, 2022Metal particle contamination can seriously affect the reliability of gas-insulated metal enclose transmission line (GIL) and cause insulation failure. In this article, we investigate the metal particle motion patterns based on the entity model of GIL by ...
Zehua Wu +6 more
semanticscholar +1 more source
IEEE transactions on dielectrics and electrical insulation, 2022
Functionally graded materials (FGM) application with graded permittivity and conductivity is promising as an effective technique for electric field relaxation in SF6 gas around HVDC gas insulated switchgear (GIS)/gas insulated transmission line (GIL ...
.. Rachmawati +4 more
semanticscholar +1 more source
Functionally graded materials (FGM) application with graded permittivity and conductivity is promising as an effective technique for electric field relaxation in SF6 gas around HVDC gas insulated switchgear (GIS)/gas insulated transmission line (GIL ...
.. Rachmawati +4 more
semanticscholar +1 more source
Study on Movement and Distribution Characteristics of Metal Particle Dust in DC GIL
IEEE transactions on dielectrics and electrical insulation, 2022Gas-insulated transmission lines (GILs) have a wide application prospect in special occasions such as cross-terrain power transmission. Metal particle contamination is an important reason for low insulation performance of GIL.
Kang Ma +4 more
semanticscholar +1 more source
IEEE transactions on dielectrics and electrical insulation, 2022
This study discusses the application of the surface conductivity gradient materials ( $\sigma $ -SFGMs) for relaxing the electric field concentration around the epoxy-based spacer in high-voltage direct current gas-insulated transmission lines (HVDC GIL).
H. Yao +4 more
semanticscholar +1 more source
This study discusses the application of the surface conductivity gradient materials ( $\sigma $ -SFGMs) for relaxing the electric field concentration around the epoxy-based spacer in high-voltage direct current gas-insulated transmission lines (HVDC GIL).
H. Yao +4 more
semanticscholar +1 more source
Physica Scripta, 2022
Under DC voltage, the interface charge of the spacer in gas-insulated metal-enclosed transmission lines (GIL) and gas-insulated metal-enclosed switchgear (GIS) is prone to accumulate, and the charge is an important factor to induce surface flashover.
Shaocong Wu +7 more
semanticscholar +1 more source
Under DC voltage, the interface charge of the spacer in gas-insulated metal-enclosed transmission lines (GIL) and gas-insulated metal-enclosed switchgear (GIS) is prone to accumulate, and the charge is an important factor to induce surface flashover.
Shaocong Wu +7 more
semanticscholar +1 more source
Multidimensional Functionally Graded Materials (ε/σ-MFGM) for HVDC GIL/GIS Spacers
IEEE transactions on dielectrics and electrical insulation, 2022This study discusses the multidimensional functionally graded materials (MFGMs) for spacers in high voltage direct current gas-insulated transmission lines and switchgears (HVDC GILs/GISs). The effects of surface conductance graded materials ( $\sigma $ -
B. Du +3 more
semanticscholar +1 more source