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Description
  • Our department cooperates with the Škoda Electric Company on a squirrel cage asynchronous machine which is designed for traction purposes. The asynchronous machine will be powered by a frequency converter. Due to this fact the supply voltage frequency could be the same as a short circuit ring natural frequency. In this case the rotor bars can be broken away from the ring in a very short time. In this paper the typical mode of operation of a locomotive is analyzed. The aim is to determine the expected frequency of various modes of operation and choose the dangerous frequency of a supply source. This dangerous frequency has to be skipped as fast as possible.
  • Our department cooperates with the Škoda Electric Company on a squirrel cage asynchronous machine which is designed for traction purposes. The asynchronous machine will be powered by a frequency converter. Due to this fact the supply voltage frequency could be the same as a short circuit ring natural frequency. In this case the rotor bars can be broken away from the ring in a very short time. In this paper the typical mode of operation of a locomotive is analyzed. The aim is to determine the expected frequency of various modes of operation and choose the dangerous frequency of a supply source. This dangerous frequency has to be skipped as fast as possible. (en)
  • Naše oddělení spolupracuje se ŠKODA ELECTRIC na asynchronním stroji s klecí nakrátko pro trakční účely. Asynchronní stroj bude napájen frekvenčním měničem. Kvůli tomuto faktu mohou být shodné frekvence napájení a vlastní frekvence klece nakrátko. V tomto případě může dojít k odtržení tyčí od kruhu ve velmi krátkém čase. V tomto příspěvku je analyzován typický provozní stav lokomotivy. Cílem pak je určit očekávatelné frekvence v různých režimech provozu a určit nebezpečné fekvence napájecího zdroje. Tyto nebezpečné frekvence je pak třeba přeskočit tak rychle jak je jen možné. (cs)
Title
  • The Problems of Squirrel-Cage of Traction Asynchronous Motor
  • Problémy klece nakrátko trakčních asynchronních motorů (cs)
  • The Problems of Squirrel-Cage of Traction Asynchronous Motor (en)
skos:prefLabel
  • The Problems of Squirrel-Cage of Traction Asynchronous Motor
  • Problémy klece nakrátko trakčních asynchronních motorů (cs)
  • The Problems of Squirrel-Cage of Traction Asynchronous Motor (en)
skos:notation
  • RIV/49777513:23220/08:00500052!RIV09-MPO-23220___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(2A-2TP1/139)
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
  • 389912
http://linked.open...ai/riv/idVysledku
  • RIV/49777513:23220/08:00500052
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • squirell cage; asynchronous machine; natural frequency (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [E4A16C404ED5]
http://linked.open...i/riv/mistoVydani
  • Prague
http://linked.open...i/riv/nazevZdroje
  • ISEM 2008
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Hruška, Karel
  • Kindl, Vladimír
  • Skala, Bohumil
number of pages
http://purl.org/ne...btex#hasPublisher
  • České vysoké učení technické v Praze
https://schema.org/isbn
  • 978-80-01-04172-7
http://localhost/t...ganizacniJednotka
  • 23220
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