Results 91 to 100 of about 2,277,341 (203)

One-Shot Learning for Partial Discharge Diagnosis Using Ultra-High-Frequency Sensor in Gas-Insulated Switchgear

open access: yes, 2020
In recent years, deep learning has been successfully used in order to classify partial discharges (PDs) for assessing the condition of insulation systems in different electrical equipment. However, fault diagnosis using deep learning is still challenging,
Yong-Hwa Kim   +4 more
core   +1 more source

Research on Photoacoustic Ultrasonic Dual Mode GIS Gas Tomography Technology

open access: yesJournal of Harbin University of Science and Technology
Recently, environmentally friendly insulating gases represented by (CF 3 ) 2 CFCN have been widely used in high-voltage insulated switchgear (GIS) in various countries due to their low global warming potential and ozone free characteristics.
TANG Bingnan, ZHOU Yao, WANG Anjing
doaj   +1 more source

Research on GIS Partial Discharge Pattern Recognition Based on Transformer Algorithm

open access: yesEnergies
The Extrinsic Fiber Fabry–Perot Interferometer (EFPI) fiberoptic ultrasonic sensor can be used to detect partial discharge ultrasonic signals inside gas-insulated switchgear (GIS) and has various uses in pattern recognition research.
Chaofei Gao   +5 more
doaj   +1 more source

Development of transmitter for SF6 gas density monitoring in gas insulated switchgear substation

open access: yes, 2012
TP754.M62 2012Most of the GIS in TNB used for analog metering to measure the density of the gases in five or six compartments depend on type of GIS used in TNB substation. At this moment, Gas Insulated Switchgear (GIS) monitoring system being used by TNB
Mohd Ridzuan Mahat
core  

Semi-Supervised Learning-Based Partial Discharge Diagnosis in Gas-Insulated Switchgear

open access: yesIEEE Access
Effective monitoring and diagnosis of partial discharge (PD) in power equipment are crucial for maintenance, particularly given the expectations of significant increases in energy generation and consumption. Although deep neural networks have been widely
Ho Trong Tai   +3 more
doaj   +1 more source

Comparison of a gas insulated switchgear draft in 2D and 3D interface in the offer phase

open access: yes, 2017
This thesis deals with the design of gas insulated switchgear produced in company ABB s.r.o. Theoretically describes the basics of project engineering in the 2D and 3D environments as well as the construction, partition and properties of the switchgear ...
Turkovič, Matúš
core  

ANALISA PENTANAHAN PADA PEMBANGUNAN GAS INSULATED SWITCHGEAR (GIS) 150 KV PT. SMELTING GRESIK MENGGUNAKAN EARTH RESISTIVITY TEST

open access: yes
Kukuh Winarto (2025), Analisa Sistem Pentanahan Pada Pembangunan Gas Insulated Switchgear (GIS) 150 kV PT. Smelting Gresik Menggunakan Earth Resistivity Test: Teknik Elektro, Universitas PGRI Adi Buana Surabaya, Dosen Pembimbing Ir. Sagita Rochman, S.
KUKUH WINARTO, KUKUH
core  

Charge Accumulation Characteristics of SF6-Epoxy Interface Under Negative Repetitive Nanosecond Pulses

open access: yesCSEE Journal of Power and Energy Systems
Repetitve nanosecond impulses in gas-insulated metal-enclosed switchgear (GIS) are likely to trigger inside flashover. Interface charges on the spacer in GIS are considered one of the main factors damaging insulation performance and may be induced by ...
Shaocong Wu   +6 more
doaj   +1 more source

Condition assessment method of GIS disconnector based on vibration- thermal-electrical multi-parameter signal characteristics

open access: yes电力工程技术
The disconnector fault in gas insulated switchgear (GIS) is commonly caused by the combined effects of mechanical, thermal, and electrical factors. Throughout the progression from defect development to a severe fault, various signals, including abnormal ...
ZHOU Xiu   +5 more
doaj   +1 more source

Characteristics investigation of R407C in high voltage applications as an alternative to SF6

open access: yesResults in Engineering
The concept of life without electrical power is not possible. All the industrial, domestic zones etc., requires power to operate, which is transmitted by means of overhead high voltage transmission lines from generating stations to sub-stations.
Imad M. Khattak   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy