[图书][B] Transformer engineering

SV Kulkarni, SA Khaparde - 2004 - api.taylorfrancis.com
There have been considerable advancements in various aspects of transformer engineering
since the publication of the first edition in 2004. Improvements can be clearly seen in …

A review of transformer losses

JC Olivares-Galván, PS Georgilakis… - Electric Power …, 2009 - Taylor & Francis
This article presents an extensive survey of current research on the transformer loss
problem, particularly from the view of practical engineering applications. It reveals that the …

Past, Present, and Future of New Applications in Utilization of Eddy Currents

NO Romero-Arismendi, JC Olivares-Galvan… - Technologies, 2024 - mdpi.com
Eddy currents are an electromagnetic phenomenon that represent an inexhaustible source
of inspiration for technological innovations in the 21st century. Throughout history, these …

3D finite-element determination of stray losses in power transformer

L Susnjic, Z Haznadar, Z Valkovic - Electric Power Systems Research, 2008 - Elsevier
This paper presents a three-dimensional (3D) finite-element (FE) analysis of eddy current
losses generated in the tank walls and yoke clamps of a three-phase 40MVA power …

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 …

Procedure to accelerate calculations of additional losses in transformer foil windings

MT Villén, J Letosa, A Nogués, R Murillo - Electric power systems research, 2013 - Elsevier
A procedure, based in 2D finite element models, for accelerating the calculation of additional
losses in large foil windings of dry-type distribution transformers is presented. The different …

Tank losses and magnetic shunts in a three phase power transformer

Z Song, Y Wang, S Mou, Z Wu, Y Zhu… - 2011 International …, 2011 - ieeexplore.ieee.org
A three dimension electromagnetic model for a power distribution transformer is set up. In
this model both windings (low voltage-LV and high voltage-HV windings) are considered to …

Analysing and Computing the Impact of Geometric Asymmetric Coils on Transformer Stray Losses

IA Hernandez-Robles, X Gonzalez-Ramirez… - Applied System …, 2024 - mdpi.com
Designing and manufacturing transformers often involves variations in heights and
thicknesses of windings. However, such geometric asymmetry introduces a significant …

[PDF][PDF] Effects of harmonic current content and ambient temperature on load ability and life time of distribution transformers

SB Sadati, M Yazdani-Asrami, M Taghipour - Int. Rev. Electr. Eng, 2010 - researchgate.net
Transformers are the main components in distribution systems that failure of them has many
disadvantages for the system. The reason of most of these failures is increase of …

3D finite element estimation of stray losses in three-phase transformers

MAV Vega, RE Perez, T Niewierowicz - Journal of applied computer …, 2008 - infona.pl
Stray losses and flux leakages of a three-phase three-limb transformer are determined and
analyzed using 3D finite element analysis. The problem is not current driven but voltage fed …