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Description
  • Izolační systém výkonových transformátorů je nejčastěji tvořen izolačním olejem a celulózovým papírem (systém olej-papír). Stárnutí těchto komponentů může ohrozit bezporuchový provoz stroje. Hlavním cílem tohoto článku bylo zanalizovatr proces stárnutí tekuté složky izolačního systému olej-papír vybranými strukturálními analýzami. Pro účel experimentu byly vybrány tři minerální a tři syntetické izolačí kapaliny. Izlační systém byl vystaven tepelnému stárnutí 90 °C po dou 50-3000 hodin. Vzorky byly v průběhu stárnutí analyzovány infračervenou spektroskopií, termogravimetrií a derivační termogravimetrií. (cs)
  • Insulating system of power transformers is mostly composed of two basic components: insulation oil and cellulose paper (oil-paper system). Aging of these components can endanger the failure free operation of the transformers. The main objective of the paper was to analyze the aging process of liquid part of oil-paper insulation system by selected structural analyses. Three petroleum and three synthetic based insulation oils were chosen for the purpose of this experiment. The commercially available cellulose paper formed the solid part of the insulation. All insulation systems were exposed to accelerated thermal aging at increased temperature of 90 °C for the time range of 50-3000 hours. The degradation of oils inner structure was analyzed by Fourier Transform Infrared Spectroscopy and Thermogravimetry and Derivative Thermogravimetry were applied.
  • Insulating system of power transformers is mostly composed of two basic components: insulation oil and cellulose paper (oil-paper system). Aging of these components can endanger the failure free operation of the transformers. The main objective of the paper was to analyze the aging process of liquid part of oil-paper insulation system by selected structural analyses. Three petroleum and three synthetic based insulation oils were chosen for the purpose of this experiment. The commercially available cellulose paper formed the solid part of the insulation. All insulation systems were exposed to accelerated thermal aging at increased temperature of 90 °C for the time range of 50-3000 hours. The degradation of oils inner structure was analyzed by Fourier Transform Infrared Spectroscopy and Thermogravimetry and Derivative Thermogravimetry were applied. (en)
Title
  • Aging of Petroleum and Synthetic Based Insulation Oils from the View of Structural Analyses
  • Stárnutí minerálních a syntetických izolačních olejů z pohledu strukturálních analýz (cs)
  • Aging of Petroleum and Synthetic Based Insulation Oils from the View of Structural Analyses (en)
skos:prefLabel
  • Aging of Petroleum and Synthetic Based Insulation Oils from the View of Structural Analyses
  • Stárnutí minerálních a syntetických izolačních olejů z pohledu strukturálních analýz (cs)
  • Aging of Petroleum and Synthetic Based Insulation Oils from the View of Structural Analyses (en)
skos:notation
  • RIV/49777513:23220/08:00500446!RIV09-MSM-23220___
http://linked.open...avai/riv/aktivita
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  • Z(MSM4977751310)
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  • 355120
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  • RIV/49777513:23220/08:00500446
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  • petroleum based oil; synthetic oil; infrared spectroscopy; thermogravimetry; derivatrive thermogravimetry (en)
http://linked.open.../riv/klicoveSlovo
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  • [295E92F8762E]
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  • Poitiers
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  • New York
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  • 16th IEEE International Conference on Dielectric Liquids ICDL 2008
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  • Mentlík, Václav
  • Polanský, Radek
  • Prosr, Pavel
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http://linked.open.../riv/zahajeniAkce
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number of pages
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  • IEEE
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  • 978-1-4244-1586-1
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  • 23220
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