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  • The paper deals with diagnostic method for mechanical faults of power transformer windings. Mechanical faults can occur during transportation or during a short-circuit near the transformer in the power system. These phenomena may also occur after a long service life, when transformers are exposed to several short-circuits and overvoltages during this time may happen. Dozens of practical measurements have been performed on various 220 kV and 400 kV power transformers which are in service. Preliminary tests are now being performed on selected transmission system transformer units to confirm that this method is a suitable diagnostic tool in common practice.
  • The paper deals with diagnostic method for mechanical faults of power transformer windings. Mechanical faults can occur during transportation or during a short-circuit near the transformer in the power system. These phenomena may also occur after a long service life, when transformers are exposed to several short-circuits and overvoltages during this time may happen. Dozens of practical measurements have been performed on various 220 kV and 400 kV power transformers which are in service. Preliminary tests are now being performed on selected transmission system transformer units to confirm that this method is a suitable diagnostic tool in common practice. (en)
  • Příspěvek se zabývá diagnostickou metodou frekvenčních charakteristik pro mechanické poruchy vinutí výkonových transformátorů. Mechanické poruchy mohou nastat během transportu, při blízkých zkratech v přenosovém systému nebo po dlouhé době provozu transformátorů, které jsou vystavovány působení zkratů a přepětí. Desítky praktických měření byly provedeny na různých výkonových transformátorech 220 kV a 400 kV, které jsou v provozu. V současné době jsou prováděny testy na transformátorech přenosové soustavy, které mají potvrdit vhodnost této metody pro běžnou diagnostickou praxi. (cs)
Title
  • Faults Detection in Power Transformer Windings
  • Detekce poruch transformátorových vinutí (cs)
  • Faults Detection in Power Transformer Windings (en)
skos:prefLabel
  • Faults Detection in Power Transformer Windings
  • Detekce poruch transformátorových vinutí (cs)
  • Faults Detection in Power Transformer Windings (en)
skos:notation
  • RIV/68407700:21230/05:03114730!RIV06-MSM-21230___
http://linked.open.../vavai/riv/strany
  • 1 ; 5
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM6840770017)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 521448
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21230/05:03114730
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • diagnostic of transformer winding; power transformer; sweep frequency response method (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [7FB86820B381]
http://linked.open...v/mistoKonaniAkce
  • Liege
http://linked.open...i/riv/mistoVydani
  • Praha
http://linked.open...i/riv/nazevZdroje
  • RUPEC 2005
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Procházka, Radek
  • Kvasnička, Vladislav
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • České vysoké učení technické v Praze
https://schema.org/isbn
  • 80-239-5439-3
http://localhost/t...ganizacniJednotka
  • 21230
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