Results 31 to 40 of about 2,074 (217)

Synthesis of Graphene-Based Sensors and Application on Detecting SF6 Decomposing Products: A Review

open access: yesSensors, 2017
Graphene-based materials have aroused enormous focus on a wide range of engineering fields because of their unique structure. One of the most promising applications is gas adsorption and sensing. In electrical engineering, graphene-based sensors are also
Xiaoxing Zhang, Hao Cui, Yingang Gui
doaj   +1 more source

A frequency-based RF partial discharge detector for low-power wireless sensing [PDF]

open access: yes, 2010
Partial discharge (PD) monitoring has been the subject of significant research in recent years, which has given rise to a range of well-established PD detection and measurement techniques, such as acoustic and RF, on which condition monitoring systems ...
Baker, P.C.   +2 more
core   +1 more source

Research of GIS partial discharge type evaluation based on convolutional neural network

open access: yesAIP Advances, 2020
This paper presents a GIS (Gas Insulated Switchgear) partial discharge type evaluation based on the convolutional neural network. It is significant to study GIS partial discharge and effectively classify the types of GIS partial discharge.
Liuhuo Wang, Kang Hou, Lingqi Tan
doaj   +1 more source

Replacing SF6 in Electrical Gas-Insulated Switchgear: Technological Alternatives and Potential Life Cycle Greenhouse Gas Savings in an EU-28 Perspective

open access: yesEnergies, 2020
To date, atmospheric concentrations of sulfur hexafluoride (SF6) are the most potent among the greenhouse gases identified by the Intergovernmental Panel on Climate Change (IPCC) and are still rising.
Pieter Billen   +3 more
doaj   +1 more source

The impact of Particle on FGM insulator in a single phase gas insulated busduct on electric field stress

open access: yesJournal of Applied Science and Engineering, 2022
In the present day, technology, economics, and environmental sustainability have all combined to produce some very significant design problems for Gas-Insulated Substations (GIS).
A. Nagaraju   +2 more
doaj   +1 more source

Quantification of the performance of iterative and non-iterative computational methods of locating partial discharges using RF measurement techniques [PDF]

open access: yes, 2017
Partial discharge (PD) is an electrical discharge phenomenon that occurs when the insulation materialof high voltage equipment is subjected to high electric field stress. Its occurrence can be an indication ofincipient failure within power equipment such
Alistair J. Reid   +29 more
core   +1 more source

Multi-physics Coupling Simulation of Heat Transfer and Structural Optimization for a Three-phase Gas Insulated Switchgear Busbar

open access: yesChemical Engineering Transactions, 2021
Gas insulated switchgear (GIS) is one of the most important equipment in the power system. Excessive temperature of the GIS busbar conductor will lead to the loss of insulating gas performance and equipment life. In the present paper, based on the finite
Bo Wang   +6 more
doaj   +1 more source

Application of Optical Fiber Distributed Sensing System in Substation Maintenance

open access: yesGuangtongxin yanjiu, 2023
During daily operation of Substation, if Gas Insulated Switchgear (GIS)equipment breaks down, it will lead to the suspension of substation power supply, and national production and life cannot be guaranteed.
BAI Bin   +5 more
doaj  

Status Review on Gas Insulated Switchgear Partial Discharge Diagnostic Technique for Preventive Maintenance [PDF]

open access: yes, 2017
Gas insulated switchgear (GIS) plays a vital role in high voltage transmission of electrical energy due to its advantages of high reliability and performance, compact in dimensions and outstanding compatibility with the environment.
Abdul-Malek, Zulkurnain   +2 more
core   +2 more sources

Synthesis of Hollow Nanofibers and Application on Detecting SF6 Decomposing Products

open access: yesFrontiers in Materials, 2019
Hollow structured nanofibers have attracted much attention in diverse domains owing to their unique physicochemical properties and characteristics. Gas sensing is one of the most promising applications.
Zhaorui Lu   +5 more
doaj   +1 more source

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