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Analiza in interpretacija raztopljenih plinov v transformatorskem olju
ID Kovačič, Žiga (Author), ID Vončina, Danjel (Mentor) More about this mentor... This link opens in a new window

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Abstract
Tekom obratovanja transformatorja je pomembno preverjati stanje transformatorja. V praksi to pomeni, odvzemanje vzorcev olja iz transformatorja in analiziranje v certificiranih laboratorijih. V diplomski nalogi smo si ogledali kako se tvorijo plini v transformatorju, katere vrste plinov se tvorijo tekom različnih vrst okvar, merjenje koncentracije plinov tekom obratovanja transformatorja, odvzem vzorcev olja in interpretacija meritev z Duvalovim trikotnikom in Duvalovim pentagonom. Na podlagi oljnih analiz, ki smo jih izvedli v Kolektor Etri, smo preverili, ali obstajajo odstopanja v koncentraciji plinov na podlagi različnih transformatorskih zasnov po končanih tovarniških meritvah.

Language:Slovenian
Keywords:transformator, DGA, tvorjenje plinov, olje, Duvalov trikotnik, Duvalov pentagon.
Work type:Bachelor thesis/paper
Organization:FE - Faculty of Electrical Engineering
Year:2022
PID:20.500.12556/RUL-137574 This link opens in a new window
COBISS.SI-ID:112509187 This link opens in a new window
Publication date in RUL:22.06.2022
Views:387
Downloads:44
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Secondary language

Language:English
Title:Analysis and interpretation of dissolved gases in transformer oil
Abstract:
During transformer operation it is important to monitor condition of the transformer. In practice, this means taking oil samples from the transformer and analyzing them in certified laboratories. In this diploma thesis the following analysis has been done: the formation of gases in a transformer, which types of gases are generated during different types of faults, measurements of gas concertation during operation of the transformer, taking of oil samples and interpreting measurements with the Duval triangle and the Duval pentagon. Based on oil analyzes performed at Kolektor Etra, we checked whether there were deviations in the gas concentration based on various transformer designs after the factory measurements were completed.

Keywords:transformer, DGA, gas formation, oil, Duval triangle, Duval pentagon.

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