Results 11 to 20 of about 16,788,383 (287)

Augmented models of High-Frequency Transformers for SMPS [PDF]

open access: yes2009 20th International Zurich Symposium on Electromagnetic Compatibility, 2009
The modeling of high-frequency transformers via augmented equivalent circuits is addressed. The augmented models are composed of a low-frequency equivalent and a supplemental element modeled via real rational fitting. They offer both high accuracy levels and a physical meaning that helps the interpretation of simulation results.
MAIO, Ivano Adolfo   +3 more
openaire   +4 more sources

Winding Considerations on the High Frequency Transformers [PDF]

open access: yesEnergy Procedia, 2011
AbstractHigh frequency transformers, used in switching power supplies, carry high amount of current. High frequency effects like skin, proximity and edge effects are discussed in this paper. Multi stranded or litz wires are used for reducing skin effect, but it will be shown that they are not effective in transformer normal winding.
Abdi, B.   +3 more
openaire   +2 more sources

High frequency link Uninterruptible Power Supply (UPS) system [PDF]

open access: yes, 2013
This thesis was submitted for the degree of Master of Philosophy and awarded by Brunel University.The main aim of this thesis is to propose, design, simulate and build a new UPS system which can be used for compact applications.
Rasool, Emad Abdulrazzaq
core   +7 more sources

UHF diagnostic monitoring techniques for power transformers [PDF]

open access: yes, 2004
This paper initially gives an introduction to ultra-high frequency (UHF) partial discharge monitoring techniques and their application to gas insulated substations.
Bennoch, C.J.   +3 more
core   +3 more sources

Exploring the Advantages of Transformers for High-Frequency Trading

open access: yesSSRN Electronic Journal, 2023
This paper explores the novel deep learning Transformers architectures for high-frequency Bitcoin-USDT log-return forecasting and compares them to the traditional Long Short-Term Memory models. A hybrid Transformer model, called \textbf{HFformer}, is then introduced for time series forecasting which incorporates a Transformer encoder, linear decoder ...
Fazl Barez   +3 more
openaire   +3 more sources

Analysis and Verification of Leakage Inductance Calculation in DAB Converters Based on High-Frequency Toroidal Transformers under Different Design Scenarios

open access: yesEnergies, 2022
High-frequency transformers are becoming an essential component in the integration of power resources that rely on power electronic converters; their efficiency and performance are influenced by parasitic characteristics in the interface. In this article,
Haris Ataullah   +5 more
doaj   +1 more source

High frequency model of transformer winding

open access: yesElectrical Engineering in Japan, 2003
AbstractA high frequency model of transformer winding is used to analyze the voltage oscillations due to various excitations such as the very fast transient overvoltage which occurs at the time of disconnecting switch operations. Usually, a circuit of interlinked inductances and capacitances is used for this purpose, in which circuit parameters have to
Shibuya, Yoshikazu, Fujita, Shigeto
openaire   +2 more sources

Evaluation of Lightning Impulse Test by Frequency Response Analysis [PDF]

open access: yes, 2006
In this work are presented the basis for improving the interpretation of transformer lightning impulse test and the development of a graphical user interface system, which allows comparisons of time domain data and frequency response.
Jorge Ramirez   +3 more
core   +3 more sources

Modelling of High Frequency Converter Transformer with Floating Active Inductor

open access: yesElektronika ir Elektrotechnika, 2018
As number of digital electronics and power electronics based devices has risen recently, the fields of application for high frequency transformers have been increased.
Mustafa Konal   +3 more
doaj   +1 more source

A New 7 kW Air-Core Transformer at 1.5 MHz for Embedded Isolated DC/DC Application

open access: yesEnergies, 2022
This paper presents the study of air-core transformers for electric vehicles, developing them for medium-power (tens of kWs) converter applications specifically used at a high frequency.
Valentin Rigot   +3 more
doaj   +1 more source

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