About: Use of a Current Source for Calibrating an Automatic Transformer Test Set

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.imeko.org/
Description	This paper describes an innovative procedure for calibrating sets for evaluating instrument current transformer (ICT) errors. The innovation lies in the use of a current source for generating a measured current. There is an adjustable current source at 50 Hz mains frequency with a current transformer on its output. The internal impedance must be sufficiently high to eliminate the methodic error due to calibration. Calibration is carried out by means of a measuring system controlled by a PC through an IEEE 488 bus. Known values of the simulated ratio error and phase displacement are compared with the values measured by the device that is being tested. A software tool determines the simulated and measured error at each calibration point and determines whether the instrument that is being tested fulfils the parameters stated by the manufacturer. This paper describes an innovative procedure for calibrating sets for evaluating instrument current transformer (ICT) errors. The innovation lies in the use of a current source for generating a measured current. There is an adjustable current source at 50 Hz mains frequency with a current transformer on its output. The internal impedance must be sufficiently high to eliminate the methodic error due to calibration. Calibration is carried out by means of a measuring system controlled by a PC through an IEEE 488 bus. Known values of the simulated ratio error and phase displacement are compared with the values measured by the device that is being tested. A software tool determines the simulated and measured error at each calibration point and determines whether the instrument that is being tested fulfils the parameters stated by the manufacturer. (en)
Title	Use of a Current Source for Calibrating an Automatic Transformer Test Set Use of a Current Source for Calibrating an Automatic Transformer Test Set (en)
skos:prefLabel	Use of a Current Source for Calibrating an Automatic Transformer Test Set Use of a Current Source for Calibrating an Automatic Transformer Test Set (en)
skos:notation	RIV/00177016:_____/08:#0000414!RIV12-MPO-00177016
http://linked.open...avai/riv/aktivita	V Z
http://linked.open...avai/riv/aktivity	V, Z(MSM6840770015)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Ulvr, Michal Styblíková, Renata
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Český metrologický institut
http://linked.open...dnocenehoVysledku	401717
http://linked.open...ai/riv/idVysledku	RIV/00177016:_____/08:#0000414
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	calibration; current source (en)
http://linked.open.../riv/klicoveSlovo	calibration current source
http://linked.open...ontrolniKodProRIV	[4C0D0AA92228]
http://linked.open...v/mistoKonaniAkce	Florence
http://linked.open...i/riv/mistoVydani	Florence
http://linked.open...i/riv/nazevZdroje	16th IMEKO TC4 International Symposium
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2008
http://linked.open...iv/tvurceVysledku	Draxler, Karel Ulvr, Michal Styblíková, Renata
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2008-01-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Research of Methods and Systems for Measurement of Physical Quantities and Measured Data Processing.
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	University of Florence, Faculty of Engineering and Faculty of Economics
https://schema.org/isbn	978-88-903149-3-3

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