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undergraduate thesis
Modifikacija celuloznog papira za transformatore
Zagreb: University of Zagreb, Faculty of Chemical Engineering and Technology, 2015. urn:nbn:hr:149:912316
Benić, Mateja
University of Zagreb
Faculty of Chemical Engineering and Technology

Institutional repository: Repository of Faculty of Chemical Engineering and Technology University of Zagreb

Cite this document

Benić, M. (2015). Modifikacija celuloznog papira za transformatore (Undergraduate thesis). Zagreb: University of Zagreb, Faculty of Chemical Engineering and Technology. Retrieved from https://urn.nsk.hr/urn:nbn:hr:149:912316

Benić, Mateja. "Modifikacija celuloznog papira za transformatore." Undergraduate thesis, University of Zagreb, Faculty of Chemical Engineering and Technology, 2015. https://urn.nsk.hr/urn:nbn:hr:149:912316

Benić, Mateja. "Modifikacija celuloznog papira za transformatore." Undergraduate thesis, University of Zagreb, Faculty of Chemical Engineering and Technology, 2015. https://urn.nsk.hr/urn:nbn:hr:149:912316

Benić, M. (2015). 'Modifikacija celuloznog papira za transformatore', Undergraduate thesis, University of Zagreb, Faculty of Chemical Engineering and Technology, accessed 25 December 2024, https://urn.nsk.hr/urn:nbn:hr:149:912316

Benić M. Modifikacija celuloznog papira za transformatore [Undergraduate thesis]. Zagreb: University of Zagreb, Faculty of Chemical Engineering and Technology; 2015 [cited 2024 December 25] Available at: https://urn.nsk.hr/urn:nbn:hr:149:912316

M. Benić, "Modifikacija celuloznog papira za transformatore", Undergraduate thesis, University of Zagreb, Faculty of Chemical Engineering and Technology, Zagreb, 2015. Available at: https://urn.nsk.hr/urn:nbn:hr:149:912316

Metadata
TitleModifikacija celuloznog papira za transformatore
Title (english)Modification of cellulose paper for transformers
AuthorMateja Benić
MentorElvira Vidović (mentor)
Committee memberElvira Vidović (predsjednik povjerenstva)
Committee memberFabio Faraguna (član povjerenstva)
Committee memberMarijana Kraljić Roković (član povjerenstva)
GranterUniversity of Zagreb
Faculty of Chemical Engineering and Technology
Zagreb
Defense date and country2015-09-15, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Chemical Engineering
Chemical Engineering in Material Development
Abstract
Unutarnji dijelovi energetskog transformatora koji su pod naponom, izolirani su pomoću papirne izolacije i uronjeni su u izolacijsko ulje. Stoga se izolacijsko ulje i papirna izolacija ispituju prvi kad se jave problemi u radu energetskog transformatora. Stanje izolacije u energetskom transformatoru važan je pokazatelj preostalog životnog vijeka. Poboljšanja u obliku toplinski otpornijeg papira i uporaba biljnog ulja kao alternativa mineralnom, nose probleme vezane za praćenje sustava postojećim uhodanim metodama. Koristi se nekoliko kemijskih tehnika kojima se može utvrditi stanje izolacijskog papira, a to su određivanje stupnja polimerizacije, koncentracija ugljikovih oksida, analiza furana i metanola, te metoda pranja sa organskim spojevima. Pored kemijskih metoda postoje i dielektrične metode: PDC (metoda mjerenja struja polarizacije i depolarizacije), FDS (frekventno zavisna spektroskopija) i RVM (metoda mjerenja povratnog napona).
Abstract (english)
Internal parts of the power transformer are isolated using paper insulation and are immersed in insulating oil. Hence, transformer oil and paper insulation are first to be examined when problems and faults occur related to the work of power transformator. Insulation condition of a power transformer largely determines its remaining lifetime. Improvements in the form of more heat-resistant paper and use vegetable oil as an alternative to mineral bring problems associated with the monitoring of the system with common methods. Several chemical diagnoses techniques are developed to examine the condition of paper insulation such as degree of polymerization, carbon oxides, furanic compounds, methanol, and washing with surface-active substances. in addition to chemical methods there are also dielectric methods: PDC (Polarization and Depolarization Current Method), FDS (Frequency Domain Spectroscopy) and RVM (Recovery Voltage Measurement).
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:149:912316
Study programmeTitle: Environmental Engineering - Undergraduate study
Study programme type: university
Study level: undergraduate
Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka ekoinženjerstva (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka ekoinženjerstva)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2016-11-26 14:03:15