Transformer inter-turn winding fault detection based on no-load active power loss and reactive power

A Ehsanifar, M Allahbakhshi, M Tajdinian… - International Journal of …, 2021 - Elsevier
An inter-turn fault in a transformer can cause severe damage to transformer windings if not
detected quickly. In this paper, the fault diagnosis is discussed by examining the no-load …

Comprehensive analysis of losses and leakage reactance of distribution transformers

O Al-Dori, B Şakar, A Dönük - Arabian Journal for Science and …, 2022 - Springer
Distribution transformers are one of the most crucial elements in the power system that
define the grid stability and reliability. Due to the substandard analysis of losses and …

[HTML][HTML] Numerical and experimental comparison of the no-load losses in the different grain-oriented electrical steel materials

K Dawood, S Tursun - e-Prime-Advances in Electrical Engineering …, 2024 - Elsevier
One of the critical pieces of equipment for power transmission and distribution is the
transformer. The operation of the transformers is essential for the power supply's continued …

Electromagnetic finite element analysis of electrical steels combinations in lamination core steps of single-phase distribution transformers

S Magdaleno-Adame, TD Kefalas… - … Autumn Meeting on …, 2017 - ieeexplore.ieee.org
This paper presents an electromagnetic finite element (FE) analysis of combinations of
electrical steels in the lamination core steps of a real 6.3 MVA single-phase distribution …

Design of a Three-Phase Shell-Type Distribution Transformer Using Evolutionary Algorithms

JC Olivares-Galvan, H Ascencion-Mestiza, S Maximov… - Energies, 2023 - mdpi.com
In this paper, three metaheuristic optimization algorithms: genetic algorithm (GA), particle
swarm optimization (PSO), and differential evolution (DE) are compared in terms of …

Design and technological proposals for improving a single-phase transformer with laminated magnetic core

AA Stavinskiy, AM Tsyganov - Электротехника и электромеханика, 2020 - cyberleninka.ru
Goal. The purpose of the work is to analyze the features and substantiate the advantages of
the spatial radial electromagnetic system of a single-phase transformer with rectangular …

Techno-economic comparative evaluation of mixed and conventional magnetic wound cores for three-phase distribution transformers

TD Kefalas, S Magdaleno-Adame - Electric Power Systems Research, 2018 - Elsevier
This paper presents a comparative evaluation of conventional and mixed magnetic wound
cores for three-phase distribution transformers. The authors utilize a techno-economic …

Grades layout impact on performance of mixed grade magnetic cores

R Corin, JP Lecointe, C Demian… - … on Electrical Machines …, 2022 - ieeexplore.ieee.org
Due to an increasing demand for power transformers with lower losses and cost, mixing
several grades in the same core could be an innovative answer for both performance and …

Impact of GOES grade mixing on the iron losses of single-phase magnetic cores

OA Dabaj, R Corin, J Lecointe, C Demian… - Journal of Magnetism …, 2024 - Elsevier
The paper presents an analytical model to predict and analyze the specific iron losses of 1-
phase magnetic cores with several grain-oriented electrical steel (GOES) grades. The …

Investigation of the economical and technical design feasibility of Si-Fe graded distribution transformers according to EN50588-1

MA Çınar - Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi, 2020 - dergipark.org.tr
Medium power transformers are responsible of the great part of total power losses in the
grid. With EN50588-1 regulation, no-load and load losses have strictly classified fo r high …