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 +2 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 +2 more sources
This article contains the development of the Health Index (HI) and the Risk Assessment (RA) models for Gas Insulated Switchgear (GIS) operating under tropical conditions. A case study of 631 bays of GIS in tropics with service time from 1 up to 30 years is used during the development of the models. The basis for the HI model is the condition assessment
Purnomoadi, A.P. (author) +2 more
exaly +4 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 +3 more sources
SiPM-based optical sensing system for GIS partial discharge detection. [PDF]
The silicon photomultiplier (SiPM)-based optical detection method, which provides strong resistance to electromagnetic interference and high sensitivity, is attracting increasing attention.
Shiman Lin +5 more
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
This paper analyzes the effect of the presence of foreign particles on an equilateral arrangement of 3 phase gas insulated switchgear (GIS) insulation equipment.
Rizki Wahyu Pratama +2 more
doaj +1 more source
Extraction of Equivalent Circuit Parameter of the GIS Pipe Spacer [PDF]
In Gas Insulated Switchgear (GIS) substation, the spacer used for supporting conductor, isolating air chamber and insulation is a very important insulation component in GIS pipe, and it is important to study the spacer to ensure the insulation ...
Wang Yonghong +6 more
doaj +1 more source
A measurement system for very fast transients in GIS power substations [PDF]
In order to acquire the very fast transients during the disconnector operations in GIS (gas insulated switchgear, GIS) of power substation, a novel measurement system is developed and tested.
Wu Yan +3 more
doaj +1 more source
SF6 Decomposed Component Analysis for Partial Discharge Diagnosis in GIS: A Review
This paper compiles, summarizes, and deliberates over one hundred important works on the different approaches and advances in the surveillance and diagnosis of the internal status of SF6 gas-insulated equipment (GIE), particularly partial discharge (PD ...
Ammar Salah Mahdi +2 more
doaj +1 more source

