Results 11 to 20 of about 201,186 (292)

Influence of partial discharge on temperature rise of windings of mine-used flameproof dry-type transformer

open access: yesGong-kuang zidonghua, 2018
In order to analyze influence of air gaps or impurities in insulation layer on temperature rise of windings of mine-used flameproof dry-type transformer, a mine-used 1 000 kVA/10 kV dry-type transformer with continuous winding was selected as research ...
WAN Zhiqiang   +3 more
doaj   +2 more sources

Features of Traction Transformer Windings Utilised as Inductances

open access: yesAdvances in Electrical and Electronic Engineering, 2004
The paper analyses features of traction transformer desing. Secondary windings of the transformer are utilized as a choke of an locomotive input filter at DC supplying system.
Jiri Danzer
doaj   +1 more source

Frequency Dependent Model of Leakage Inductance for Magnetic Components [PDF]

open access: yes, 2012
Theoretical methods for the calculation of winding losses with respect to frequency have been well documented, but the variation in leakage inductance of magnetic components due to frequency has been less well addressed. In this paper Dowell’s well-known
Wilcock, Reuben   +5 more
core   +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

Research on the Distribution Characteristics of Transformer Axial Vibration under Short-Circuit Conditions Considering Damping Parameters

open access: yesApplied Sciences, 2022
The existing research on the distribution characteristics of displacement and acceleration of the transformer axial vibration under short-circuit conditions is based on ignoring the damping parameters.
Shuguo Gao   +3 more
doaj   +1 more source

Power transformer geometry monitoring of active parts by SFRA method [PDF]

open access: yesZbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2014
During regular operation, power transformer windings are continuously exposed to electromechanical stresses and vibrations. Surges during lightning or short circuits may cause the weakening of the mechanical structure and the mechanical reinforcing parts
Ilić Denis   +2 more
doaj   +1 more source

Improving the quality of 0.4 kV electricity in household appliances due to voltage regulation [PDF]

open access: yesE3S Web of Conferences, 2023
The article discusses a way to improve the quality of electricity up to 0.4 kV household appliances through voltage regulation. As an actuator, a booster transformer with two secondary windings connected in accordance with the primary winding is used ...
Karimov Raxmatillo
doaj   +1 more source

THE EFFECT OF THE ACTIVE RESISTANCE OF THE PULSE TRANSFORMER WINDINGS ON THE PARAMETERS OF VOLTAGE PULSES GENERATED ON A CAPACITIVE LOAD

open access: yesElectrical engineering & Electromechanics, 2019
Goal. Analysis of the influence of the active resistance of the primary and secondary windings of a pulse transformer on the voltage at the load capacitance based on the developed methodology for the analysis of transients caused by the discharge of the ...
A. G. Gurin, I. A. Kostiukov
doaj   +1 more source

Practical Study of Mixed-Core High Frequency Power Transformer

open access: yesMagnetism, 2022
The design of medium- to high-frequency power electronics transformer aims not only to minimize the power loss in the windings and the core, but its heat removal features should also allow optimal use of both core and copper.
Arun Kumar Paul
doaj   +1 more source

Effective Modeling of Leakage Inductance for use in Circuit Simulation

open access: yes, 2008
Theoretical methods for the calculation of winding losses with respect to frequency have been well documented, but the variation in leakage inductance of magnetic components due to frequency has been less well addressed. In this paper Dowell’s well-known
Andrew D. Brown   +3 more
core   +2 more sources

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