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Description
  • Článek popisuje analýzu zkratového proudu ve statorovém vinutí malých indukčních motorů. Zkrat nastává v případě, že dojde k poškození některé části složitého izolačního sytému statorového vinutí. Statorové vinutí ztratí část závitů a jeho indukčnost klesne. Zkratový proud zahřívá okolní vinutí v daném místě a začíná se rozšiřovat. Teoretická část popisuje dva modely dvou různých zkratů ve statorovém vinutí. Hlavním výsledkem je teplotní analýza ve druhém odstavci. Teplotní působení bylo ověřeno na speciálně navinutém motoru. Výsledky by měly sloužit k dalšímu vývoji diagnostického systému malých asynchronních motorů. (cs)
  • The article deals with the analyse of short-circuit current in stator winding of low power induction motors (IM). The occurrence of short-circuit arises when some parts of the insulation system of stator winding fail.. Stator winding loses a part of active coils and its inductivity decreases. The short-circuit current warms up the surrounding winding with its heat effect at point of the short-circuit. Theoretical part describes two models to simulate different short-circuits that can occur in stator winding. The main benefit of this article is the analyse of short-circuit. Second chapter analyses thermal activity on separate parts of the insulation system. Thermal effects were verified on a set up model that consists of a specially designed motor (EM) with the temperature monitoring in slots of the stator. The results will be used for a design of new diagnostic method suitable for low-power induction motors powered by frequency converters.
  • The article deals with the analyse of short-circuit current in stator winding of low power induction motors (IM). The occurrence of short-circuit arises when some parts of the insulation system of stator winding fail.. Stator winding loses a part of active coils and its inductivity decreases. The short-circuit current warms up the surrounding winding with its heat effect at point of the short-circuit. Theoretical part describes two models to simulate different short-circuits that can occur in stator winding. The main benefit of this article is the analyse of short-circuit. Second chapter analyses thermal activity on separate parts of the insulation system. Thermal effects were verified on a set up model that consists of a specially designed motor (EM) with the temperature monitoring in slots of the stator. The results will be used for a design of new diagnostic method suitable for low-power induction motors powered by frequency converters. (en)
Title
  • Diagnostics of low power induction motors
  • Diagnostics of low power induction motors (en)
  • Diagnostika malých asynchronních motorů (cs)
skos:prefLabel
  • Diagnostics of low power induction motors
  • Diagnostics of low power induction motors (en)
  • Diagnostika malých asynchronních motorů (cs)
skos:notation
  • RIV/46747885:24220/07:#0000196!RIV08-MSM-24220___
http://linked.open.../vavai/riv/strany
  • 228-233
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1M0553)
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
  • 416985
http://linked.open...ai/riv/idVysledku
  • RIV/46747885:24220/07:#0000196
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • induction motor; diagnostic; thermal incidence (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [4585112698EE]
http://linked.open...v/mistoKonaniAkce
  • Liberec
http://linked.open...i/riv/mistoVydani
  • Liberec
http://linked.open...i/riv/nazevZdroje
  • ECMS 2007, 8th International Workshop on Electronics, Control, Modelling, Measurement, and Signals
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
  • Diblík, Martin
  • Beran, Leoš
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • Technická univerzita v Liberci
https://schema.org/isbn
  • 978-80-7372-218-0
http://localhost/t...ganizacniJednotka
  • 24220
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