Metal particle contamination in gas-insulated switchgears/gas-insulated transmission lines
J Wang, Q Hu, Y Chang, J Wang… - CSEE Journal of …, 2019 - ieeexplore.ieee.org
Metal particle contamination in a gas-insulated switchgear (GIS) or a gas-insulated
transmission line (GIL) is an important factor leading to the decline of insulation …
transmission line (GIL) is an important factor leading to the decline of insulation …
Motion and discharge characteristics of metal particles existing in GIS under DC voltage
H You, Q Zhang, C Guo, P Xu, J Ma… - … on Dielectrics and …, 2017 - ieeexplore.ieee.org
Free particles formed in the discharge process or equipment aging severely threaten the
operation security of GIS, which draws great attention of researchers. However, seldom …
operation security of GIS, which draws great attention of researchers. However, seldom …
Metal particle movement and distribution characteristics under AC voltage and ball‐plane electrodes
J Sun, L Sun, W Chen, Z Li, X Yan, Y Xu - High Voltage, 2019 - Wiley Online Library
Metal particles, difficult to be eliminated in gas‐insulated metal‐enclosed switchgear (GIS),
can cause GIS discharge and breakdown between electrodes, or flashover on the insulator …
can cause GIS discharge and breakdown between electrodes, or flashover on the insulator …
A four-way coupled CFD-DEM modeling framework for charged particles under electrical field with applications to gas insulated switchgears
Particulate flows with charged particles under electric flow field exist in many practical
applications, including metal particles in Gas Insulated Switchgear (GIS) or manipulation of …
applications, including metal particles in Gas Insulated Switchgear (GIS) or manipulation of …
Surface charge accumulation on a real size epoxy insulator with bouncing metal particle under DC voltage
Y Gao, H Wang, X Yuan, H Zhao… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Free metal particle can affect surface charge accumulation on epoxy insulator installed in
gas-insulated transmission line (GIL) or gas-insulated switchgear (GIS), which results in …
gas-insulated transmission line (GIL) or gas-insulated switchgear (GIS), which results in …
Motion analysis of spherical metal particle in AC gas-insulated lines: random effects and resistance of the SF6/N2 mixture
J Wang, Q Li, B Li, C Chen, S Liu… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper analyzes the electromechanics of the spherical metal particles in AC gas-
insulated lines (GIL) with a pragmatic test rig comprising coaxial cylindrical electrodes …
insulated lines (GIL) with a pragmatic test rig comprising coaxial cylindrical electrodes …
Particle-triggered corona discharge characteristics in air insulation under DC voltage
Under a dc stress, a wire particle within gas insulation will exhibit complex motion behavior,
leading to more challenges to detect its existence. Therefore, this work deals with an …
leading to more challenges to detect its existence. Therefore, this work deals with an …
Partial discharge characteristics of free moving metal particles in gas insulated systems under DC and AC voltages
J Sun, N Wu, Y Fan, D Lei, S Yang… - IET Generation …, 2023 - Wiley Online Library
Free conductive particles in a gas‐insulated metal‐enclosed system produce partial
discharges during movement, resulting in insulator flashover and insulation failures. This …
discharges during movement, resulting in insulator flashover and insulation failures. This …
Particle Expelling and Discharge Suppression by Permittivity Gradient Design of AC-GIS Spacer
BX Du, ZY **, JP Jiang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The presence of metal particles is responsible for the unpredictable flashover faults of
spacers in gas insulated switchgears (GIS). In this study, an innovative method is put forward …
spacers in gas insulated switchgears (GIS). In this study, an innovative method is put forward …
A fault diagnosis scheme using hurst exponent for metal particle faults in gil/gis
D Duan, H Ma, Y Yan, Q Yang - Sensors, 2022 - mdpi.com
A diagnosis scheme using the Hurst exponent for metal particle faults in GIL/GIS is proposed
to improve the accuracy of classification and identification. First, the diagnosis source signal …
to improve the accuracy of classification and identification. First, the diagnosis source signal …