Results 31 to 40 of about 27,957 (314)

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

Rudarsko-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, Ivanka Boras, Martin Jurina, Dino Kovačević, Branimir Ćućić   +4 more
doaj   +1 more source

Follow-up model to evaluate failure factors of single-phase distribution transformers in high environmental pollution zones

, 2022
Single-phase distribution transformers are commonly installed in outdoor distribution networks to supply electricity to final users. Utilities are used to receive abnormal operating reports related to typical failures that negatively affect the ...
Holguin Torres, Yeimy, Andres Fernández Flórez, Silva Ortega, Jorge Iván, Villacob, Karen, Fernández Flórez, Andrés Felipe, Candelo Becerra, John Edwin   +5 more
core   +1 more source

Stray Losses in Structural Components of Power Transformers

Energies
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

Quasi-3D Calculation of Stray Losses in Outer Lamination Stack of Power Transformer Core

IEEE Access
This paper presents a quasi-3D method for calculating stray losses in the outer lamination stacks of a power transformer core. The method uses multiple 2D FEM models in several steps to capture the 3D nature of the problem.
Zvonimir Jurkovic, Bojan Trkulja, Karlo Petrovic, Mario Jurkovic   +3 more
doaj   +1 more source

Experimental investigation of parameters influencing transformer excitation current

, 2010
This paper quantifies experimentally the impact of ten parameters on transformer excitation current. These parameters belong to the following six categories: (1) annealing process, (2) mechanical process, (3) operating conditions, (4) magnetic material, (
A.D. Theocharis, Theocharis, Andreas,, J.C. Olivares-Galván, P.S. Georgilakis, Olivares-Galvan, JC, Theocharis, AD, Madrigal, M, M. Madrigal, Madrigal, M., Georgilakis, P. S., Olivares-Galván, J. C., Georgilakis, PS   +11 more
core   +1 more source

Dietary Protein Intake and Peritoneal Protein Losses in Peritoneal Dialysis Patients

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Peritoneal dialysis (PD) patients lose protein in their waste dialysate, potentially increasing their risk for malnutrition. We wished to determine whether there was any association between losses and dietary protein intake (DPI). Methods DPI was assessed from 24‐h dietary recall using Nutrics software.
Haalah Shaaker, Andrew Davenport
wiley   +1 more source

Solid insulation distribution transformer

Transformers Magazine, 2021
The SIDT (solid insulation distribution transformer) was developed to provide an alternative solution to replace liquid-filled transformers that might leak oil to contaminate surrounding soil and underground water. Restoration costs could be higher than installing a new transformer.
Mun, Byungchul, Ballard, Casey, Lee, Kacey   +2 more
openaire   +3 more sources

On the space of Laplace transformable distributions [PDF]

Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A. Matemáticas, 2020
AbstractWe show that the space$${\mathcal {S}}'(\Gamma )$$S′(Γ)of Laplace transformable distributions, where$$\Gamma \subseteq {\mathbb {R}}^d$$Γ⊆Rdis a non-empty convex open set, is an ultrabornological (PLS)-space. Moreover, we determine an explicit topological predual of$${\mathcal {S}}'(\Gamma )$$S′(Γ).
Andreas Debrouwere, Eduard A. Nigsch
openaire   +5 more sources

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

FEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li, Pedro A. Sánchez‐Murcia, Bernd Nidetzky   +2 more
wiley   +1 more source

The planar cell polarity protein Vangl2 interacts with the PDZ‐domains of Scribble but not with a unique PDZ‐like domain in Inturned

FEBS Letters, EarlyView.
Structural and biochemical characterisations show that the planar cell polarity (PCP) protein Inturned harbours a unique PDZ‐like domain that does not bind canonical PDZ‐binding motifs (PBMs) like that of another PCP protein Vangl2. In contrast, the apical‐basal polarity protein Scribble contains four PDZ domains that bind Vangl2, but one PDZ domain ...
Stephan Wilmes, Jan Brysch, Carmen Gelze, Lilli Meier, Daniel Kümmel   +4 more
wiley   +1 more source