About: Noise Diagnostics of Insulating Materials for Operation at High Temperature

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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)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The samples of insulation materials for operation at temperatures to 350 oC were tested in a high electric field. Tested materials covered with metal electrodes on both sides represent a parallel plate capacitor. The VA characteristics are proportional to U^n where n ~ 1. Partial discharges have an impact on conductivity at a high electric field and they are important sources of noise and acoustic emission signals. This phenomenon is related to the sample homogeneity and may be used for technology assesssment and quality testing. The electromagnetic signal precedes the acoustic emission response and the time delay corresponds to the difference of propagation velocities of sound and electromagnetic radiation in the sample. This phenomenon may be used for the localization of voids in an insulator. A current pulse generated by a random discharge in a void within the insulator is represented by an exponentially decreasing function, whereas the acoustic signal exhibits a quasiperiodic damped behavior. Stat The samples of insulation materials for operation at temperatures to 350 oC were tested in a high electric field. Tested materials covered with metal electrodes on both sides represent a parallel plate capacitor. The VA characteristics are proportional to U^n where n ~ 1. Partial discharges have an impact on conductivity at a high electric field and they are important sources of noise and acoustic emission signals. This phenomenon is related to the sample homogeneity and may be used for technology assesssment and quality testing. The electromagnetic signal precedes the acoustic emission response and the time delay corresponds to the difference of propagation velocities of sound and electromagnetic radiation in the sample. This phenomenon may be used for the localization of voids in an insulator. A current pulse generated by a random discharge in a void within the insulator is represented by an exponentially decreasing function, whereas the acoustic signal exhibits a quasiperiodic damped behavior. Stat (en)
Title	Noise Diagnostics of Insulating Materials for Operation at High Temperature Noise Diagnostics of Insulating Materials for Operation at High Temperature (en)
skos:prefLabel	Noise Diagnostics of Insulating Materials for Operation at High Temperature Noise Diagnostics of Insulating Materials for Operation at High Temperature (en)
skos:notation	RIV/00216305:26220/01:PU23918!RIV/2002/GA0/262202/N
http://linked.open.../vavai/riv/strany	759-762
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA102/99/1088), Z(MSM 261100007)
http://linked.open...vai/riv/dodaniDat	2002
http://linked.open...aciTvurceVysledku	Liedermann, Karel Koktavý, Pavel Šikula, Josef Koktavý, Bohumil
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	Vysoké učení technické v Brně / Fakulta elektrotechniky a komunikačních technologií
http://linked.open...dnocenehoVysledku	688910
http://linked.open...ai/riv/idVysledku	RIV/00216305:26220/01:PU23918
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Noise, Insulating materials, MIM systems, Partial discharges, Acoustic emission (en)
http://linked.open.../riv/klicoveSlovo	Noise Acoustic emission Insulating materials Partial discharges MIM systems
http://linked.open...ontrolniKodProRIV	[F87644BE79CA]
http://linked.open...v/mistoKonaniAkce	Gainesville Florida USA
http://linked.open...i/riv/mistoVydani	Gainesville, Florida, USA
http://linked.open...i/riv/nazevZdroje	Proceedings of ICNF 2001
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Noise spectroscopy and diagnostics of insulating systems with high temperature-proof materials
http://linked.open...UplatneniVysledku	2001
http://linked.open...iv/tvurceVysledku	Koktavý, Pavel Šikula, Josef Liedermann, Karel Koktavý, Bohumil
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2001-10-22 (xsd:date)
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20261100007
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	University of Florida, Gainesville, Florida, USA
https://schema.org/isbn	981-02-4677-3
http://localhost/t...ganizacniJednotka	26220

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