Results 161 to 170 of about 952 (202)
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Gas Insulated Switchgear GIS - State of the Art

IEEE Power Engineering Society General Meeting, 2007
Gas insulated switchgear (GIS) is a world-wide used technology to solve the needs and requirements coming from modern power transmission and distribution systems. In this paper the development of the GIL technology is presented, design features are explained and a focus is given to the manufacturing process to show the high quality of the production of
Phil Bolin, Hermann Koch
exaly   +2 more sources

Discharges from moving particles in GIS [gas-insulated switchgear]

IEEE Transactions on Power Delivery, 1998
The study of the motion of moving metallic particles in GIS requires a good knowledge of the carried charge of the particle. In this paper, measurements of the charging process of a moving particle, performed in a realistic single-phase GIS, are presented.
S M Gubański
exaly   +2 more sources

Controlled Voltage Breakdown in Disconnector Contact System for VFTO Mitigation in Gas-Insulated Switchgear (GIS)

IEEE Transactions on Power Delivery, 2017
Several methods have been proposed and investigated so far on mitigation of very fast transient overvoltages (VFTO) in gas-insulated switchgear (GIS). The state-of-the-art methods are primarily based on dissipation of the energy associated with electromagnetic waves that the VFTO originate from and are composed of.
Marcin Szewczyk, Maciej Kuniewski
exaly   +2 more sources

Analisis dan Efisiensi Kebutuhan Kapasitas Baterai 110 Volt DC Gas Insulated Switchgear (GIS) 150 KV Wonokromo Surabaya

open access: yesJURNAL TEKNIK ELEKTRO, 2022
Penyaluran energi listrik pada Gas Insulated Switchgear (GIS) memiliki dua sumber tenaga, yaitu sumber (AC) bolak balik dan (DC) searah. Salah satu sumber DC yang memiliki peran yang sangat penting adalah baterai 110 VDC. Baterai merupakan suatu sel listrik yang terdapat dua proses elektrokimia, yaitu proses discharging dan proses charging.
Andrian Nuril Ihsan   +3 more
openaire   +3 more sources

Determination of Type of Partial Discharge in Cubicle-Type Gas Insulated Switchgear (C-GIS) using Artificial Neural Network

2018 Condition Monitoring and Diagnosis (CMD), 2018
Partial discharge (PD) measurement is performed as one of diagnostic tool for condition monitoring in cubicle-type gas insulated switchgear (C-GIS). This paper presents artificial neural network (ANN) to identify the type of PD occurring in C-GIS. PD measurement results obtained from C-GIS in a field were fed to the ANN as input parameters to determine
Hina Yoshikawa   +2 more
exaly   +2 more sources

Vibration Fault On-site Dection of Gas-insulated Switchgear (GIS) Equipment Based on Ultrasound and Ultra-high Frequency Measurement Method

2019 IEEE Sustainable Power and Energy Conference (iSPEC), 2019
At present, GIS equipment (gas insulated switchgear) is more and more popular in power system, and the detection of GIS faults is mainly aimed at discharging faults. But more and more phenomena show that mechanical faults can not be ignored. In this paper, by analyzing a case of GIS field detection based on ultrasonic and ultrahigh frequency (UHF ...
Xiping Jiang, Jian Hao
exaly   +2 more sources

Study of the Grounding Behavior of Gas-Insulated Switchgear (GIS-Type Substations) Submitted to Lightning

2023 IEEE International Conference on Environment and Electrical Engineering and 2023 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe), 2023
Diego Mizette Olíz   +2 more
exaly   +2 more sources

Insulation properties and degradation mechanism of insulating spacers in gas insulated switchgear (GIS) for repeated/long voltage application

IEEE Transactions on Dielectrics and Electrical Insulation, 2007
Gas insulated switchgear (GIS) has been increasingly being used in recent years and high reliability and rational insulation design are required. This research provided V-N characteristics (the dielectric breakdown voltage versus number of repetitions characteristics) regarding the internal insulation and creeping insulation of the epoxy spacer, which ...
exaly   +2 more sources

Online Partial Discharge Monitoring In Gas Insulated Switchgear (GIS) and Air Insulated Switchgear (AIS)

2024 14th International Conference on System Engineering and Technology (ICSET)
N H Nik Ali, Mohd Hezri Fazalul Rahiman
exaly   +2 more sources

Advanced Metal Oxide Surge Arrester for Gas Insulated Switchgear (GIS)

IEEE Power Engineering Review, 1984
SF6 gas has outstanding dielectric strength and heat transfer property. This suggests that zinc oxide (ZnO) elements whose value of E in E-J characteristic is higher than the value of the elements used in a porcelain type arrester is suitable to metal enclosed metal oxide surge arresters (MOA) for gas insulated switchgears (GIS). Several kinds of newly
M. Imataki   +4 more
openaire   +1 more source

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