AC breakdown and decomposition products detection characteristics of eco-friendly insulating medium in gas insulated switchgear [PDF]
Gas Insulated Switchgear (GIS) was a crucial electrical equipment that provides the safety and security of power systems, and finding the eco-friendly alternatives of sulphur hexafluoride (SF6) as insulating medium in GIS has been an urgent demand in ...
Shuai Du +5 more
doaj +3 more sources
Online Detection of Hydrogen Fluoride under Corona Discharge in Gas-Insulated Switchgear Based on Photoacoustic Spectroscopy [PDF]
Internal discharge and overheating faults in sulfur hexafluoride (SF6) gas-insulated electrical equipment will generate a series of characteristic gas products.
Liujie Wan, Xiaohe Zhao, Kang Li
doaj +3 more sources
Finite-difference time-domain simulation of partial discharges in a gas insulated switchgear
It is important to estimate the current magnitude and charge amount of a partial discharge (PD) in a gas-insulated switchgear (GIS). In this study, electromagnetic fields generated by a PD in an 84 kV-class three-phase GIS for testing have been measured ...
Hiroki Tanaka +6 more
doaj +4 more sources
Diagnosis of Partial Discharge Based on the Air Components for the 10 kV Air-Insulated Switchgear
Partial discharge (PD) is a common phenomenon of insulation aging in air-insulated switchgear and will change the gas composition in the equipment. However, it is still a challenge to diagnose and identify the defect types of PD.
Qipeng Tan +4 more
doaj +2 more sources
Gas-insulated switchgear malfunctions during power system operation may occur due to electrical, thermal, or human errors in the manufacturing process. The leading causes of insulation deterioration of gas-insulated switchgear are discharging along the ...
I-Hua Chung, Yu-Hsun Lin
doaj +2 more sources
Gas Insulated Switchgear Cartel in the Slovak Republic [PDF]
The case of the Gas insulated switchgear (hereafter, GIS) cartel is well known to competition experts all over Europe. The cartel lasted for more than twenty years and affected competition on relevant markets in several countries.
Silvia Sramelova
doaj +2 more sources
Recurrent Neural Network for Partial Discharge Diagnosis in Gas-Insulated Switchgear
The analysis of partial discharge (PD) signals has been identified as a standard diagnostic tool for monitoring the condition of different electrical apparatuses.
Minh-Tuan Nguyen +3 more
doaj +3 more sources
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 +4 more
doaj +2 more sources
Review of Insulation Defect Detection Methods for a Gas-Insulated Switchgear
Gas-insulated switchgear (GIS) is a critical component of modern power systems. During operation, internal defects increase the probability of partial discharge and flashover within the insulation system, thereby constituting a major cause of equipment ...
Tengfei Li +5 more
doaj +2 more sources
Research on the Key Technology of Medium Voltage Environmental Protection Metal-enclosed Switchgear [PDF]
This article introduces environmentally-friendly metal-enclosed switchgear, and comprehensively summarizes the development status, technical characteristics, technical difficulties and development trends of solid-insulated ring network cabinets and ...
Ning WANG +4 more
doaj +1 more source

