Results 21 to 30 of about 4,035 (194)

A wideband noise-canceling CMOS LNA exploiting a transformer [PDF]

open access: yes, 2006
A broadband LNA incorporating single-ended to differential conversion, has been successfully implemented using a noise-canceling technique and a single on-chip transformer. The LNA achieves a high voltage gain of 19dB, a wideband input match (2.5-4.0 GHz)
Blaakmeer, Stephan C.   +3 more
core   +5 more sources

Electric and magnetic comparison of two 10-phase autotransformers

open access: yesAin Shams Engineering Journal, 2022
To optimally select multi-pulse rectifiers (MPRs) used in industrial applications, the electrical and magnetic analysis must be performed simultaneously.
Rohollah Abdollahi, Mahdi Golchob
doaj   +1 more source

ЗАСТОСУВАННЯ ЗАХИСНОГО ПРИСТРОЮ В НЕЙТРАЛІ ВИСОКОВОЛЬТНОЇ ОБМОТКИ АВТОТРАНСФОРМАТОРА З МЕТОЮ ПІДВИЩЕННЯ ЕФЕКТИВНОСТІ ОБМЕЖЕННЯ ОДНОФАЗНОГО СТРУМУ КОРОТКОГО ЗАМИКАННЯ

open access: yesElektrotehnìka ta Elektroenergetika, 2011
Проведено аналіз існуючих пристроїв обмеження однофазних струмів короткого замикання. Розглянуто розроблений пристрій обмеження однофазного струму короткого замикання в нейтралі високовольтної обмотки автотрансформатора.
N. V. Vyshnevsky, A.N. Andriyenko
doaj   +1 more source

ПРИНЦИПИ УДОСКОНАЛЕННЯ БАГАТОРІВНЕВИХ АВТОНОМНИХ ІНВЕРТОРІВ НАПРУГИ

open access: yesПраці Інституту електродинаміки Національної академії наук України, 2021
The article considers the properties of the most commonly used two-and multilevel inverter topologies used in systems for converting electricity from several primary power sources into the required high-quality output voltage for low-voltage networks and
І.В. Волков   +2 more
doaj   +1 more source

Thermal System Oriented Simulation of Aircraft Electrical Environmental Control Systems Including its Electric Coupling [PDF]

open access: yes, 2019
A flexible numerical platform based on libraries has been developed within the Dymola/Modelica framework to simulate Environmental Control Systems (ECS).
Ablanque Mejía, Nicolás   +4 more
core   +1 more source

Autotransformer Monitoring System

open access: yesRenewable Energy and Power Quality Journal, 2010
This paper describes the monitoring system of autotransformer installed in the Poreba and Bierun substation. Apart from the monitoring system carried out on microprocessor controllers ADAM 5000, a process of adapting the transformer for the system of data acquisition was also described.
Ryszard Kowalik   +2 more
openaire   +1 more source

Method for calculating the kilovolt-ampere rating of a 24-pulse autotransformer-rectifier unit [PDF]

open access: yesE3S Web of Conferences
The article analyzes the operation of a direct current power source based on a 24-pulse autotransformer-rectifier unit using electrically connected secondary windings located on different rods, as well as a winding connected in a delta.
Roginskaya Lyubov   +5 more
doaj   +1 more source

Express diagnostics of power oil transformers by vibroacoustics and partial discharges [PDF]

open access: yesE3S Web of Conferences, 2023
This article presents the results of Express Diagnostics conducted in the working state of the autotransformer ATDTN-125000/220/110-U1. Three measurement pribors were used in the research process to determine the vibroacutic, partial discharge, and ...
Yusupov Dilmurod   +6 more
doaj   +1 more source

TO THE PROBLEM OF HIGH-VOLTAGE EQUIPMENT NOISE DIAGNOSTICS

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2018
Application possibilities of electrical power equipment noise diagnostics are shown. The diagnostics possesses increased depth and the enlarged reliability of diagnosing.
N. I. Ignatev
doaj   +1 more source

Properties of concrete containing recycled PET bottles as sand replacement [PDF]

open access: yes, 2020
The modern lifestyle along with the new technologies have contributed the increasing of waste materials production. Plastic is one of the waste materials which is non-disposal and non-biodegradable material that can remain on earth without degradation ...
Abdul Awal, A.S.M   +2 more
core  

Home - About - Disclaimer - Privacy