Results 101 to 110 of about 7,327 (250)

Emerging Field Grading Spacer Magnetron Sputtered with a CCTO Layer for DC GIL/GIS

CSEE Journal of Power and Energy Systems
Insulation failures of epoxy spacers applied in gas insulated transmission line/switchgear (GIL/GIS) often occur, primarily due to electric field distortion.
Jin Li, Yufan Wang, Mi Xiao, Hucheng Liang, Hang Yao, Boxue Du   +5 more
doaj   +1 more source

Testing and commisioning of GIS switchgear for high voltage substation / Mohd Zulkifli Mat Ghani [PDF]

, 2003
This project presents a testing and commissioning of high voltage substation. The project focus on Gas Insulated Switchgear (GIS) is come out and the result of testing obtained are compared with Air Insulated Switchgear (AIS).
Mat Ghani, Mohd Zulkifli
core  

Compositional modelling of partial discharge pulse spectral characteristics [PDF]

, 2013
Partial discharge (PD) monitoring is an established method for insulation health monitoring in high voltage plant. A number of different approaches to PD defect diagnosis have been developed to extract defect-specific information from PD pulse data in ...
Baker, Peter, Judd, Martin, Stephen, Bruce   +2 more
core   +1 more source

Detection of trace CF4 in C4F7N‐insulated gas‐insulated metal‐enclosed switchgear: Cascading specific chemical reactions with photoacoustic spectroscopy

High Voltage
CF4 is a major decomposition product of the insulating gas in C4F7N‐insulated gas‐insulated metal‐enclosed switchgear (GIS) during partial discharge or overheating faults.
Zhicheng Wu, Jiahao Du, Zehao Zhang, Xiang Li, Shengjin Wang, Xiaoang Li, Qiaogen Zhang   +6 more
doaj   +1 more source

Effect of AC Pre-Charging of Epoxy Insulator on Flashover Properties in Eco-Friendly Binary Gas Mixtures

Energies
Metal particles and surface charge accumulation are considered the key factors that could trigger unexpected flashovers of insulators equipped in gas-insulated switchgear (GIS).
Jian Guan, Guohui Han, Qifeng Shang, Xiaohu Qi, Zhiying Wang, Yu Gao   +5 more
doaj   +1 more source

Guest Editorial: Dielectric materials, sensing, monitoring, and diagnostic technologies for high‐voltage equipment in new power systems. II Advanced sensor method and diagnosis technique

High Voltage, Volume 10, Issue 4, Page 785-786, August 2025.
Jun Hu, Xianhao Fan, Chuanyang Li, Jinliang He, Giovanni Mazzanti   +4 more
wiley   +1 more source

STUDI ANALISIS EFISIENSI PENGGUNAAN BATERAI DI GAS INSULATED SUBSTATION WARU

Journal of Energy and Electrical Engineering
Gas Insulated Switchgear (GIS) dalam beroperasi menggunakan dua sumber daya yaitu bolak balik (AC) dan searah (DC). Baterai merupakan alat penting untuk menampung sumber DC dari rectifier agar dapat dimanfaatkan dengan efisien. Baterai ini akan mensuplai
Ardhan Fajar Ramadhan, Alfian Naufal Fikriy Syafei, Daffa Sirajuddin Muzakki, Sujito Sujito   +3 more
doaj   +1 more source

SDMF based interference rejection and PD interpretation for simulated defects in HV cable diagnostics [PDF]

, 2016
Partial Discharge (PD) in cable systems causes deterioration and failure, identifying the presence of PD is crucial to Asset Management. This paper presents methods for interference signals rejection and for PD interpretation for five types of artificial
Hepburn, Donald M., Judd, Martin, Li, Zhaohui, Peng, Xiaosheng, Reid, Alistair, Siew, W. H., Wen, Jinyu, Yang, Guangyao, Zhou, Chengke   +8 more
core   +3 more sources

Acoustic carrier signal transmission technology and its potential for in‐site monitoring of sliding electrical contact used in gas‐insulated switchgear/gas‐insulated transmission line

High Voltage
A wireless signal transmission technology based on acoustic carrier is proposed, which overcomes the limitation of electromagnetic signal shielding and shows great potential for in‐site monitoring of sliding electrical contact used in gas‐insulated ...
Chen Chen, Yutong Zhang, Huijun Zhao, Zongren Peng, Qingyu Wang   +4 more
doaj   +1 more source

Mechanical Wear Characteristics of 170 kV Gas-Insulated Switchgear Circuit-Breaker Contacts Before Arc Initiation: An Accelerated Lifetime Test Approach

IEEE Access
This study investigates the mechanical wear characteristics of 170 kV gas-insulated switchgear (GIS) circuit breaker contacts by conducting accelerated life testing.
Jong-Geon Lee, Jae-Hong Koo
doaj   +1 more source