Results 11 to 20 of about 1,486,491 (293)

Metastability effects in strained and stressed SrTiO3 films [PDF]

open access: yesJournal of Advanced Dielectrics, 2016
The sequence of ground states for SrTiO3 film subjected to epitaxial strain as well as to mechanical stress along the [001] and [110] axes is calculated from first principles within the density functional theory.
Alexander I. Lebedev
doaj   +4 more sources

Design, Modeling, and Analysis of IEEE Std 80 Earth Grid Design Refinement Methods Using ETAP

open access: yesApplied Sciences, 2023
The design of a compliant, safe, and reliable substation earth grid is not a straightforward process; in most cases, it requires some additional measures to be taken due to various constraints that differ from environment to environment, such as soil ...
Vuyani Michael Nicholas Dladla   +2 more
doaj   +1 more source

Site-Specific Response Analysis (SSRA) and pairs of ground- motions time-history generation of a site in Jakarta [PDF]

open access: yesE3S Web of Conferences, 2020
The purpose of earthquake resistance design of building is to produce a structures that can withstand a certain level of a ground shaking without excessive damage.
I Wayan Sengara, Det Komerdevi
doaj   +1 more source

Research on Modeling and Simulation of Transient Ground Potential Rise Caused by GIS Disconnector Action

open access: yes南方能源建设, 2022
[Introduction] Massive usage of gas-insulated metal-enclosed switchgear (GIS) has caused serious electromagnetic interference, especially when the isolating switch in GIS is operated with small capacitive current, it does not have arc extinguishing ...
LI Jiahui
doaj   +1 more source

Frequency Domain Analysis of a Wind Turbine Generator Earthing System for Lightning Discharge Currents

open access: yesIEEE Access, 2019
A safe and cost-effective design of a wind turbine generator (WTG) grounding system requires accurate modeling of local soil resistivity, particularly when wind turbines are spatially distributed across a wide area with different soil types and features.
Raghavender D. Goud   +3 more
doaj   +1 more source

Ground Potential Rise and Surge Protective Device Damage Caused by Initial Long Continuous Current Process in Triggered Lightning

open access: yes应用气象学报, 2020
In the field of grounding on electronic and electrical systems, damage effects of ground potential rise on electronic equipments are of great importance.
Chen Shaodong   +5 more
doaj   +1 more source

Hazard evaluation of ground potential difference within grounding grid on personal safety under impulse current

open access: yesIET Science, Measurement & Technology, 2021
Due to the impedance characteristic of conductor, the ground potential rise is different within grounding grid when impulse current is injected. When staff touches objects with different GPR at the same time, the GPD will be applied to human body ...
Chun Li   +5 more
doaj   +1 more source

Grounding System Adequacy of HV/MV Substations in Areas With Reduced Accessibility [PDF]

open access: yes, 2015
The adequacy of grounding systems has to be verified periodically in the operational time. With urban development and buildings growth adjacent to power systems as HV/MV substations, it is very rare to have area around with sufficient accessibility for ...
Farber, Alexander   +4 more
core   +1 more source

Correlation between Ground Motion Parameters and Displacement Demands of Mid-Rise RC Buildings on Soft Soils Considering Soil-Structure-Interaction

open access: yesBuildings, 2021
This paper investigates the correlation between ground motion parameters and displacement demands of mid-rise RC frame buildings on soft soils considering the soil-structure interaction.
Muhammet Kamal, Mehmet Inel
doaj   +1 more source

Grid Grounding Calculations for a 132-KV Substation Using Soil Backfilling

open access: yesIEEE 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
doaj   +1 more source

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