Results 11 to 20 of about 127 (124)
Iranian Journal of Electrical and Electronic Engineering, 2011 Gas-insulated substations (GIS) have different specifications in proportion to air-insulated substations. Transformer failures related to lightning and switching are often reported in the gas insulated substation (GIS).
A. Tavakoli, A. Gholami
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Dynamics of Metallic Particle Contamination in Gas Insulated Substation (GIS)
International Journal of Electronics and Electical Engineering, 2013 This paper analyses the movement of free conducting particles inside a single phase Gas Insulated Bus duct(GIB).A two dimensional mathematical model was proposed for determining the movement pattern of metallic particle in GIB by considering all the forces acting on the particle like gravitational, drag and the electric field forces.
K B V S R Subrahmanyam, J. Amarnath
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Study for optimal design of gas insulated substations (GIS) to reduce magnetic fields
International Journal of Electrical Power & Energy Systems, 1997 Abstract Gas Insulated Substations (GIS) have received great interest in the recent years. One of the advantages of GIS over conventional substations are their compactness, which makes them a favorite for service in urban residential areas. Magnetic fields around GIS have drawn a great deal of attention recently. Studies on this issue to help predict
A.S. Farag +4 more
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IEEE Access, 2020 Previous studies have shown that switching operations of gas insulated substations (GIS) can generate transient radiation fields outside the enclosure, namely switching transient electric fields (STEF).
Tongqiang Yi +3 more
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Analysis of Very Fast Transients Using Black Box Macromodels in ATP-EMTP
Energies, 2020 Modelling for very fast transients (VFTs) requires good knowledge of the behaviour of gas insulated substation (GIS) components when subjected to high frequencies. Modelling usually takes the form of circuit-based insulation coordination type studies, in
Jonathan James +4 more
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Grid Grounding Calculations for a 132-KV Substation Using Soil Backfilling
IEEE Access, 2019 Safe and reliable grid design is complicated by the compact design of gas insulated substations (GIS). This paper discusses the complete grounding design procedure for a 132-KV substation in the city of Al Kharj based on the IEEE-80 specifications and ...
Saeed Alyami
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Lightweight BIM modeling and digital twin application for precision maintenance of vertically layered GIS busbar tubes [PDF]
AIP AdvancesWith 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 +3 more
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CSEE Journal of Power and Energy SystemsSwitching operations of disconnectors emit electromagnetic fields (EMF) to the external environment via gas-to-air bushing, posing a threat to the secondary equipment in gas-insulated substations (GIS) and potentially causing telecommunications outages ...
Jun Zhao +5 more
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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 +1 more
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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 +6 more
wiley +1 more source