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Statements

Subject Item
n2:RIV%2F00216305%3A26220%2F14%3APU108965%21RIV15-MSM-26220___
rdf:type
n11:Vysledek skos:Concept
dcterms:description
The proposed article will present a new approach to detection of very weak electromagnetic signal, which is generated by partial discharge (PD). This approach is a part of radiofrequency method, known as ultra-high frequency (UHF) method. The UHF method is utilized for detection, activity quantization and localization of PD in high-voltage power transformers. The UHF method is the most advancing method for this type of transformer diagnostic. The state of the art in instrument technology allows real-time acquisition and processing of pulsed broad band signals together with 3D localization of PD occurrence. The UHF method is based on measurements of electromagnetic waves in UHF spectrum produced by PD. Typical spectrum of the PD UHF signal ranges from hundreds of MHz to units of GHz. The UHF signal is detected by sensing heads that enter the transformer through its casing. Sensing heads, which were developed at Brno University of Technology (BUT), contains antennas and a set of high-frequency component The proposed article will present a new approach to detection of very weak electromagnetic signal, which is generated by partial discharge (PD). This approach is a part of radiofrequency method, known as ultra-high frequency (UHF) method. The UHF method is utilized for detection, activity quantization and localization of PD in high-voltage power transformers. The UHF method is the most advancing method for this type of transformer diagnostic. The state of the art in instrument technology allows real-time acquisition and processing of pulsed broad band signals together with 3D localization of PD occurrence. The UHF method is based on measurements of electromagnetic waves in UHF spectrum produced by PD. Typical spectrum of the PD UHF signal ranges from hundreds of MHz to units of GHz. The UHF signal is detected by sensing heads that enter the transformer through its casing. Sensing heads, which were developed at Brno University of Technology (BUT), contains antennas and a set of high-frequency component
dcterms:title
Detection of low-level electromagnetic signal of partial discharge by means of disturbed acquisition discrimination Detection of low-level electromagnetic signal of partial discharge by means of disturbed acquisition discrimination
skos:prefLabel
Detection of low-level electromagnetic signal of partial discharge by means of disturbed acquisition discrimination Detection of low-level electromagnetic signal of partial discharge by means of disturbed acquisition discrimination
skos:notation
RIV/00216305:26220/14:PU108965!RIV15-MSM-26220___
n3:aktivita
n20:S
n3:aktivity
S
n3:dodaniDat
n4:2015
n3:domaciTvurceVysledku
n9:5754550 n9:4113667 n9:3737616 n9:4184335
n3:druhVysledku
n16:D
n3:duvernostUdaju
n8:S
n3:entitaPredkladatele
n7:predkladatel
n3:idSjednocenehoVysledku
10617
n3:idVysledku
RIV/00216305:26220/14:PU108965
n3:jazykVysledku
n18:eng
n3:klicovaSlova
partial discharge, UHF method, source localization
n3:klicoveSlovo
n14:source%20localization n14:partial%20discharge n14:UHF%20method
n3:kontrolniKodProRIV
[F81F65905436]
n3:mistoKonaniAkce
Guangzhou
n3:mistoVydani
Neuveden
n3:nazevZdroje
Progress in Electromagnetics Research Symposium 2014, Guangzhou
n3:obor
n6:JA
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
6
n3:rokUplatneniVysledku
n4:2014
n3:tvurceVysledku
Drexler, Petr Steinbauer, Miloslav Čáp, Martin Kočiš, Luboš Fiala, Pavel Kaška, Miloš
n3:typAkce
n12:WRD
n3:zahajeniAkce
2014-08-25+02:00
s:numberOfPages
4
n19:hasPublisher
Neuveden
n5:isbn
978-1-934142-28-8
n13:organizacniJednotka
26220