Results 21 to 30 of about 293 (157)

Uncovering gas insulated substation transient behaviours using the equivalent cable model

, 2023
An improved circuit theory is proposed for verification of data obtained with the ElectroMagnetic Field (EMF) theory approach for the study of Gas Insulated Substations (GIS) transient behaviours.
Alexandru Muresan, Hassan Nouri, Micu, Dan, Muresan, Alexandru, Dan Micu, Nouri, Hassan, Czumbi, Levente, Levente Czumbi   +7 more
core   +1 more source

Lightweight BIM modeling and digital twin application for precision maintenance of vertically layered GIS busbar tubes [PDF]

AIP Advances
With the scaling up of power systems toward high voltage and large capacity, gas-insulated switchgear (GIS) with a phase-separated vertical stacking layout has become the preferred choice for urban and compact substations due to its high space ...
Yufei Liu, Jing Guo, Yongyun Zhang, Sheng Wen   +3 more
doaj   +1 more source

Analisis Gangguan Pada Sistem Gardu Listrik Berbasis Gas Insulated Switchgear 150 kV Dengan Metode High Voltage Test

, 2023
The insulator system in substations is essential in maintaining safety and efficiency in electricity transmission and distribution lines. The purpose of this research is to conduct High Voltage tests to check possible malfunctions in a gas-insulated ...
Bachri, Karel Octavianus, Soewono, Arka Dwinanda, Jonathan, Edoardo   +2 more
core   +1 more source

Partial Discharge Charge Estimation In Gas-Insulated Substations Using Electric and Magnetic Antennas

, 2022
Partial discharges (PD) measurements provide an estimation of the severity of the insulation degradation; additionally, it is used as a unit of standardization.
Mier Escurra, C., Mor, A. R., Rodrigo Mor, Armando, Mier Escurra, C. (author), Mor, A. R. (author), Mier Escurra, Christian   +5 more
core   +1 more source

An Improved Fast Computational Method for Vibration Characteristic Analysis of Dry‐Type Iron Core Reactor

High Voltage, EarlyView.
ABSTRACT Structural mechanics field simulation plays a critical role in the vibration characteristic analysis of electrical equipment. Existing structural field analysis of equipment based on numerical simulation faces challenges such as convergence difficulties and prolonged computational time, failing to meet the demand for real‐time prediction of ...
Wanqing Wang, Caibo Liao, Bang Liu, Kai Li, Wenyu Liu, Zhaoguo Li, Xianfa Tian   +6 more
wiley   +1 more source

Recent Advances in the Quest for a New Insulation Gas with a Low Impact on the Environment to Replace Sulfur Hexafluoride (SF6) Gas in High-Voltage Power Network Applications

Energies, 2017
The growing environmental challenge of electrical energy systems has prompted a substantial increase in renewable energy generation. Such generation systems allow for significant reduction of CO2 emissions compared with a traditional fossil fuel plant ...
Abderrahmane Beroual, Abderrahmane (Manu) Haddad   +1 more
doaj   +1 more source

Comparison of Dielectric Recovery After Arc Burning in SF6 Gas and Its Potential Alternatives

High Voltage, EarlyView.
ABSTRACT Although sulphur hexafluoride (SF6) exhibits exceptional insulating properties, it is a potent greenhouse gas. Therefore, studying alternatives to SF6 is critical for developing environmentally friendly high‐voltage electrical equipment.
Ziqi Liu, Hao Sun, Yi Wu, Mingzhe Rong, Zeyuan Luo   +4 more
wiley   +1 more source

Diagnóstico de descargas parciais em subestações isoladas a gás SF6 utilizando redes neurais artificiais [PDF]

, 2006
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia ElétricaO presente trabalho de dissertação aborda o desenvolvimento de uma ferramenta computacional para o diagnóstico de ...
Paulo, Assis Rogério Gomes da Silva
core  

Balanced Magnetic Antenna for Partial Discharge Measurements in Gas-Insulated Substations

, 2022
Recent research has found that Magnetic loop antennas can detect partial discharges (PD) in gas-insulated substations (GIS); however, unbalanced shielded loop (UBSL) antennas are affected by electric field coupling.
Mier Escurra, C. (author), Mor, A. R. (author)   +1 more
core   +1 more source

Adaptive Visual Servo Control for GIS Partial Discharge Detection Robots: A Model Predictive Control Approach

Energies
Gas-insulated switchgear (GIS) serves as the core equipment in substations. Its partial discharge detection requires ultrasonic sensors to be precisely aligned with millimeter-level measurement points.
Yongchao Luo, Zifan Zhang, Yingxi Xie
doaj   +1 more source