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scientific master's theses
Nesigurnost određivanja pomaka ventila u regulacijskom sustavu parne turbine
Zagreb: University of Zagreb, Faculty of Electrical Engineering and Computing, 2001. urn:nbn:hr:168:070479
Tudić, Vladimir
University of Zagreb
Faculty of Electrical Engineering and Computing

Institutional repository: FER Repository

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Tudić, V. (2001). Nesigurnost određivanja pomaka ventila u regulacijskom sustavu parne turbine (Scientific master's theses). Zagreb: University of Zagreb, Faculty of Electrical Engineering and Computing. Retrieved from https://urn.nsk.hr/urn:nbn:hr:168:070479

Tudić, Vladimir. "Nesigurnost određivanja pomaka ventila u regulacijskom sustavu parne turbine." Scientific master's theses, University of Zagreb, Faculty of Electrical Engineering and Computing, 2001. https://urn.nsk.hr/urn:nbn:hr:168:070479

Tudić, Vladimir. "Nesigurnost određivanja pomaka ventila u regulacijskom sustavu parne turbine." Scientific master's theses, University of Zagreb, Faculty of Electrical Engineering and Computing, 2001. https://urn.nsk.hr/urn:nbn:hr:168:070479

Tudić, V. (2001). 'Nesigurnost određivanja pomaka ventila u regulacijskom sustavu parne turbine', Scientific master's theses, University of Zagreb, Faculty of Electrical Engineering and Computing, accessed 26 December 2024, https://urn.nsk.hr/urn:nbn:hr:168:070479

Tudić V. Nesigurnost određivanja pomaka ventila u regulacijskom sustavu parne turbine [Scientific master's theses]. Zagreb: University of Zagreb, Faculty of Electrical Engineering and Computing; 2001 [cited 2024 December 26] Available at: https://urn.nsk.hr/urn:nbn:hr:168:070479

V. Tudić, "Nesigurnost određivanja pomaka ventila u regulacijskom sustavu parne turbine", Scientific master's theses, University of Zagreb, Faculty of Electrical Engineering and Computing, Zagreb, 2001. Available at: https://urn.nsk.hr/urn:nbn:hr:168:070479

Metadata
TitleNesigurnost određivanja pomaka ventila u regulacijskom sustavu parne turbine
Title (english)Uncertainty of Displacement Determination of the Valve in the Steam Turbine Control System
AuthorVladimir Tudić
MentorJosip Butorac (mentor)
Committee memberTomislav Tomiša (predsjednik povjerenstva)
Committee memberJosip Butorac (član povjerenstva)
Committee memberDavor Zvizdić (član povjerenstva)
GranterUniversity of Zagreb
Faculty of Electrical Engineering and Computing
Zagreb
Defense date and country2001-10-16, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Electrical Engineering
Universal decimal classification
(UDC)		621.3 - Electrical engineering
Abstract
Zbog osobite važnosti vrijednosti pomaka glavnih regulacijskih ventila u regulacijskom sustavu parne turbine, nužno je potreban kvalitetan mjeriteljski nadzor. Složenim sustavom koji se sastoji od mjernog pretvornika, sustava za pretvorbu strujnog u naponski signal i industrijskog prijenosnog računala sa A/D karticom, te softverom za mjerenje i obradu podataka, vrši se mjeriteljski nadzor. Pripadna mjerna nesigurnost određuje se uzimanjem u obzir svih fizikalnih utjecaja i zakonitosti koje vladaju za vrijeme mjerenja pomaka u konkretnoj izvedbi jednog takvog parnog ventila. Nakon analize zakonitosti eksperimentalno i analitički procijenjuju se pojedinačni doprinosi ukupnoj nesigurnosti u svim radnim uvjetima koristeći se međunarodno prihvaćenim ISO preporukama. U radu se primjenjuju znanstvene metode po preporukama ISO organizacije pri razradi općih algoritama u slučaju djelovanja utjecajnih veličina, izračuna raznih doprinosa ukupne nesigurnosti koristeći matematički aparat i računske metode za njeno iskazivanje. Kritičkom analizom i bogatim mjeriteljskim iskustvom pripadne mjerne nesigurnosti raznih utjecajnih faktora uzete su sa najvećim mogućim faktorima proširenja zbog povećanja pouzdanosti. Na osnovu prikazanih znanstvenih postavki, pripadnih algoritama i računskih metoda korištenih u ovoj radnji, iskazivanje nesigurnosti pomaka ventila u regulacijskom sustavu parne turbine može poslužiti kao model šire primjene, u različitim drugim postupcima procjenjivanja nesigurnosti složenih mjernih sustava, te prilikom mjerenja drugih fizikalnih veličina također bitnih u analizi pouzdanosti i stabilnosti sustava regulacije parne turbine, kao što su zakretaj krila regulacijskog servomotora, tlak impulsnog ulja regulacijskih elektroničko-hidrauličkih pretvarača, ili drugih fizikalnih veličina nevezano uz regulacijski sustav parne turbine.
Abstract (english)
The most important thing in governing system of steam turbine is the last chain in system, a steam valve. Because of meaning in order of stability, security and the working conditions of steam valve must be covered by supervising during phase of construction, manufacturing and commissioning. Measuring movement of steam valve in governing system of steam turbine is made by means of movement transducer, current to voltage converter and convenient software in applicable computer system with integrated A/D converter card. Measuring uncertainty of measuring result is occupied with all influence and physical laws during measuring procedure in real case. In procedure that follows the single uncertainties influences to summary measuring uncertainty are under analytic and experimental critics recommended and supervised by ISO institution. Uncertainty of measuring system which can occur in system causing by lots of influence factors will be performed and described in master work by means of following the guide lines of standards which are accepted and edited by distinguish ISO and others international institutions. By means of critics analyse and rich measuring experience given uncertainties are taken with great security extended factors in order to increase the certainty. Helped by scientific methods, issued algorithms and calculation methods performed in this work, uncertainty of displacement determination of the valve in the steam turbine control system can be used as model useful for other cases, in process of determination of uncertainties of different procedures and others physical values. That can be value of twisted angle of hydraulic servomotor, oil pressure of Electro hydraulic converters in steam turbine governing systems, or all others physical value out of steam turbine governing system.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:168:070479
Study programmeTitle: Postgraduate master programme in electrical engineering
Study programme type: university
Study level: postgraduate
Academic / professional title: Magistar znanosti elektrotehnike (Magistar znanosti elektrotehnike)
Type of resourceText
File originBorn digital
Access conditionsClosed access
Terms of useLicence In copyright icon
Created on2019-04-23 08:40:45