Results 21 to 30 of about 20,702 (265)

Fuzzy logic applied to the diagnosis of technical conditions of distribution transformers

open access: yesJournal of Engineering and Applied Science, 2023
The distribution transformers are one of the most important elements for the operation of the distribution networks, considering their quantity and dispersion in the network, and that the failures cause great economic losses, both from the point of view ...
Eduardo Sierra Gil   +3 more
doaj   +1 more source

Transformers Improvement and Environment Conservation by Using Synthetic Esters in Egypt

open access: yesEnergies, 2021
Distribution transformer (DT) is a crucial component in power systems as it exchanges energies between different voltage levels or between utility grid and DC microgrids.
Ali A. Radwan   +5 more
doaj   +1 more source

Defining and Specifying Design Considerations for Distribution Transformers in Large-Scale Solar Photovoltaic Plants

open access: yesEnergies, 2022
In the new era of the renewable energy market in South Africa, there is a knowledge gap in the technical standards relating to distribution transformers, which are exclusively intended to serve in large-scale solar photovoltaic (PV) applications.
Bonginkosi A. Thango, Pitshou N. Bokoro
doaj   +1 more source

Assessing and Mitigating Impacts of Electric Vehicle Harmonic Currents on Distribution Systems

open access: yesEnergies, 2020
Harmonic currents of electric vehicle (EV) chargers could jeopardize the power quality of distribution systems and add to the transformer’s losses, thus degrading its lifetime.
Dima Alame, Maher Azzouz, Narayan Kar
doaj   +1 more source

Procedure for Improving the Energy, Environmental and Economic Sustainability of Transformation Houses

open access: yesApplied Sciences, 2022
A procedure for improving the energy, economic and environmental sustainability of the transformation houses in low-voltage distribution networks is described in this paper.
Vicente León-Martínez   +5 more
doaj   +1 more source

Four-Wire Delta Service Sinusoidal Operation and Compensation Simulator

open access: yesEnergies, 2015
An off-line simulator based on Excel used to evaluate the operation of four-wire delta (4WD) services as well as the effects of reactive and imbalance compensators in sinusoidal steady-state conditions is described in this paper.
Vicente León-Martínez   +3 more
doaj   +1 more source

Digitalization of Distribution Transformer Failure Probability Using Weibull Approach towards Digital Transformation of Power Distribution Systems

open access: yesFuture Internet, 2023
Digitalization of the failure-probability modeling of crucial components in power-distribution systems is important for improving risk and reliability analysis for system-maintenance and asset-management practices.
A. M. Sakura R. H. Attanayake   +1 more
doaj   +1 more source

The S-Transform of Distributions [PDF]

open access: yesThe Scientific World Journal, 2014
Parseval’s formula and inversion formula for the S-transform are given. A relation between the S-transform and pseudodifferential operators is obtained. The S-transform is studied on the spaces𝒮(ℝn)and𝒮′(ℝn).
openaire   +3 more sources

A REVIEW ON RECENT STUDIES IN THE AREA OF CONJUGATE HEAT TRANSFER MODELLING IN TRANSFORMERS

open access: yesRudarsko-geološko-naftni Zbornik
The exact position and the value of the hot-spot temperature in a transformer could be estimated by calculation using computational fluid dynamics. However, this approach requires the usage of significant computational resources.
Alen Cukrov   +4 more
doaj   +1 more source

Stray Losses in Structural Components of Power Transformers

open access: yesEnergies
The paper provides a comprehensive overview of stray losses in conductive structural parts of power transformers, addressing the effects of stray magnetic fields on simple conductive plates, the distribution of additional losses across structural ...
Stipe Mikulić, Damir Žarko
doaj   +1 more source

Home - About - Disclaimer - Privacy