Results 81 to 90 of about 952 (202)

Design and Analysis of a Non-destructive Detecting Mobile Platform for Gas Insulated Switchgear

, 2016
X-ray digital imaging detection system has been successfully applied to visual non-destructive detecting of gas insulated switchgear (GIS) equipment. Manual installing and positioning of this system is risky, inefficient and labor-intensive.
Chang Y(常勇), Wang HG(王洪光), Pan XA(潘新安), Hu MW(胡明伟)   +3 more
core  

Moisture monitoring technology for GIS using dual-cone microfibers

Zhejiang dianli
An increase in moisture content within GIS （gas insulated switchgear） can compromise its insulation integrity. To monitor insulation gas humidity inside GIS， a humidity sensor using dual-cone microfibers is developed.
SHAO Xianjun, CHEN Xiaoxin, JIANG Jiongting, WANG Yukun, JI Junting, DU Houxian, MA Guoming   +6 more
doaj   +1 more source

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

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

STUDI KELAYAKAN PMT SF6 150kV PADA GAS INSULATED SWITCHGEAR (GIS) [PDF]

Penelitian ini mengevaluasi kelayakan operasi pemutus tenaga (PMT) 150kV SF₆ pada Gas Insulated Switchgear (GIS) Kota Barat, Demang, Palembang berdasarkan pengujian tiga parameter: tahanan isolasi, tahanan kontak, dan keserempakan kontak.
Latif, M. Rosyidi
core  

Electric Field Improvement and Insulation Performance Enhancement of a Compact 40.5 kV Eco-Friendly Gas-Insulated Switchgear

Energies
With the ongoing trend of miniaturization and intelligent power transmission equipment, the compact design of environmentally friendly gas-insulated switchgear (GIS) has emerged as a critical technical challenge. This study presents a detailed case study
Dongyun Dai, Yuhao Zhang, Yimin You, Zehong Lin, Xiangzhong Liao   +4 more
doaj   +1 more source

Vibration Feature Analysis for Gas-Insulated Switchgear Mechanical Fault Detection under Varying Current

, 2020
As a key component to ensure the safe operation of the power grid, mechanical defect diagnosis technology of gas-insulated switchgear (GIS) during operation is often neglected. At present, GIS mechanical fault detection based on vibration information has
Jianwen Wu, Ying Feng
core   +1 more source

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

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