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Statements

Subject Item
n2:RIV%2F46747885%3A24220%2F14%3A00000503%21RIV15-MSM-24220___
rdf:type
skos:Concept n18:Vysledek
rdfs:seeAlso
http://www.epe-conference.eu/
dcterms:description
This article describes and compares two methods of frequency measurement used in power monitoring devices. First method uses hardware zero crossing detector and every 10 second computes frequency from real interval duration and count of zero crossing. It uses simple and limited software phase-locked loop. Second method uses fully software based solution. Input data are filtered with IIR filter, zero crossing is detected with advanced algorithm, software PLL is based on FFT and frequency is measured every 10 periods. This article describes and compares two methods of frequency measurement used in power monitoring devices. First method uses hardware zero crossing detector and every 10 second computes frequency from real interval duration and count of zero crossing. It uses simple and limited software phase-locked loop. Second method uses fully software based solution. Input data are filtered with IIR filter, zero crossing is detected with advanced algorithm, software PLL is based on FFT and frequency is measured every 10 periods.
dcterms:title
Precise Method for Digital Frequency Measurement for Class a Instruments Precise Method for Digital Frequency Measurement for Class a Instruments
skos:prefLabel
Precise Method for Digital Frequency Measurement for Class a Instruments Precise Method for Digital Frequency Measurement for Class a Instruments
skos:notation
RIV/46747885:24220/14:00000503!RIV15-MSM-24220___
n3:aktivita
n11:N
n3:aktivity
N
n3:dodaniDat
n17:2015
n3:domaciTvurceVysledku
n14:9168338 n14:4778235 n14:8104565 n14:8131880
n3:druhVysledku
n5:D
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
38681
n3:idVysledku
RIV/46747885:24220/14:00000503
n3:jazykVysledku
n7:eng
n3:klicovaSlova
Frequency measurement; power quality; power grids
n3:klicoveSlovo
n8:power%20grids n8:Frequency%20measurement n8:power%20quality
n3:kontrolniKodProRIV
[A1D75703DAFF]
n3:mistoKonaniAkce
Brno
n3:mistoVydani
Brno
n3:nazevZdroje
Electric Power Engineering (EPE), Proccedings of the 2014 15th International Scientific Conference on
n3:obor
n4:JA
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n17:2014
n3:tvurceVysledku
Štěpán, Pavel Bedrník, Tomáš Kraus, Jan Bubla, Viktor
n3:typAkce
n15:WRD
n3:zahajeniAkce
2014-01-01+01:00
s:numberOfPages
5
n21:hasPublisher
Vysoké učení technické v Brně
n16:isbn
978-1-4799-3806-3
n9:organizacniJednotka
24220