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Title:
Postopek za določitev parametrov trifaznega transformatorja s pomočjo optimizacije
Authors:
ID
Slokan, Ervin
(Author)
ID
Štumberger, Gorazd
(Mentor)
More about this mentor...
Files:
MAG_Slokan_Ervin_2016.pdf
(5,02 MB)
MD5: AC21397E5422AB59A95CA8913D6D94BB
Language:
Slovenian
Work type:
Master's thesis
Typology:
2.09 - Master's Thesis
Organization:
FERI - Faculty of Electrical Engineering and Computer Science
Abstract:
Magistrsko delo predstavlja pristop in način določitve parametrov trifaznega transformatorja s pomočjo optimizacije. Parametre trifaznega transformatorja navadno določimo z meritvijo ohmskih upornosti navitij, preizkusom prostega teka in preizkusom kratkega stika. Do iskanih parametrov pa lahko pridemo tudi po drugi poti, in sicer s pomočjo optimizacije. V tem primeru zapišemo matematični dinamični model transformatorja, s katerim skušamo opisati fizikalne pojave, bistvene za dinamično vedenje transformatorja. V naslednjem koraku – na podlagi časovnih potekov primarnih in sekundarnih napetosti in tokov, posnetih med vklopnim pojavom, prostim tekom in obratovanjem pod obremenitvijo – s pomočjo optimizacije poiščemo tiste vrednosti parametrov dinamičnega modela transformatorja, pri katerih je ujemanje med posnetimi in izračunanimi časovnimi odzivi izbranih spremenljivk najboljše.
Keywords:
trifazni transformator
,
določitev parametrov
,
diferenčna evolucija
,
adaptivno zmanjševanje velikosti populacije
Place of publishing:
[Maribor
Publisher:
E. Slokan
Year of publishing:
2016
PID:
20.500.12556/DKUM-60376
UDC:
621.314(043.2)
COBISS.SI-ID:
19693590
NUK URN:
URN:SI:UM:DK:06LG1JD1
Publication date in DKUM:
11.07.2016
Views:
1761
Downloads:
180
Metadata:
Categories:
KTFMB - FERI
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:
SLOKAN, Ervin, 2016,
Postopek za določitev parametrov trifaznega transformatorja s pomočjo optimizacije
[online]. Master’s thesis. Maribor : E. Slokan. [Accessed 20 March 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=60376
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Secondary language
Language:
English
Title:
Optimization based procedure for parameter determination of three phase transformer
Abstract:
Master's degree thesis presents an approach and method of determining the parameters of the three-phase transformer using optimization. Usually, the parameters of the three-phase transformer are determined by measuring the ohmic resistance of its windings, open-circuit test and short-circuit test. The parameters can also be determined by using optimization. When choosing this approach, we first write the dynamic mathematical model of the transformer to describe the physical phenomena essential for the dynamic behavior of the transformer. In the next step, based on the time behavior of the primary and secondary voltages and currents recorded during the inrush phenomena, no-load and on-load operation, by using optimization we search for the parameter values of the dynamic model of the transformer with the best agreement between the recorded and calculated time response of the selected variables.
Keywords:
three-phase transformer
,
parameter determination
,
differential evolution
,
adaptive population size reduction
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