Results 11 to 20 of about 2,611 (226)

A REVIEW ON MAGNETIZING INRUSH CURRENT. [PDF]

open access: yesInternational Journal of Advanced Research, 2018
Magnetizinginrush current is a current which occurs in transformer during switchingon..The main objective is to examine the cause and effects of magnetizing inrush current on transformer. The paper also suggests measures to remedy dangers posed by magnetizing inrush current in transformers.
Asad Zai   +2 more
openaire   +3 more sources

Comprehensive Analysis of Winding Electromagnetic Force and Deformation During No-Load Closing and Short-Circuiting of Power Transformers

open access: yesIEEE Access, 2021
When an electromagnetic transient occurs in a transformer, certain parts of the winding will be over stressed internally, which in severe cases will lead to the destruction of the winding insulation.
Chenchen Zhang   +3 more
doaj   +1 more source

Inductance inrush current time–frequency analysis [PDF]

open access: yesIET Science, Measurement & Technology, 2020
This study presents an application of the reassigned Gabor time–frequency transform to the inductance inrush current transient analysis. Measurement setup is constructed and the measurement methodology is presented to obtain fully controlled transformer inrush current measurements.
Tin Benšić   +3 more
openaire   +2 more sources

Pre-energize Analysis on 3 Phase Transformer by Considering Each Phase Flux

open access: yesJAREE (Journal on Advanced Research in Electrical Engineering), 2019
Inrush current is a transient phenomenon that occurs when a transformer is first energized to a voltage source at no-load conditions. It causes a very high inrush current.
Hadwim Septiawan
doaj   +1 more source

INRUSH CURRENT OF LAMP [PDF]

open access: yes, 2021
Lighting systems pass through big change in terms of light source recently. LED replace discharge lamp and thischange represent change of electrical parameters and influence to installations.
Mokráň, Marek, Janiga, Peter
core  

The Impact of Zero-Mode Inrush Current of T-Hin on Zero-Sequence Overcurrent Protection and an Improved Protection with the Second Harmonic Restraint

open access: yesEnergies, 2019
In recent years, the zero-mode inrush current of high-impedance transformer with built-in high-voltage winding (T-Hin), which has large amplitude and decays slowly, causes the misoperation of zero-sequence overcurrent protection.
Wenbin Cao   +5 more
doaj   +1 more source

Analysis of the Electromechanical Characteristics of Power Transformer under Different Residual Fluxes

open access: yesEnergies, 2021
When the electromagnetic transients occur in a power transformer, an inrush current is generated in its winding. The inrush current not only affects the performance of the transformer windings, but also affects the lifetime of the transformer.
Wenqi Ge   +4 more
doaj   +1 more source

Implications of fault current limitation for electrical distribution networks [PDF]

open access: yes, 2010
This paper explores the potential future need for fault current limitation in the UK's power system, and some of the technical implications of this change.
Blair, S.M.   +11 more
core   +1 more source

AC-Chopper-Based Inrush Current Suppressor in a Wind Power Generation System with Squirrel-Cage Induction Machines

open access: yesEnergies, 2018
This paper proposes the inrush current suppressor using an AC chopper in a large-capacity wind power generation system (WPGS) with two squirrel-cage induction machines (SCIMs), which are switched over depending on the wind speed. The input side of the AC
Sho Shibata   +3 more
doaj   +1 more source

Power Transformer Modeling for Inrush Current Calculation [PDF]

open access: yes, 2010
In this thesis a general purpose transformer model for low and medium frequency transient studies is developed and verified. The inrush current phenomena during no-load energization of power transformer is analyzed with special attention.
Chiesa, Nicola
core   +1 more source

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