magistrsko delo magistrskega študijskega programa II. stopnje Strojništvo
Matic Mlačnik (Author), Miha Boltežar (Mentor)

Abstract

Hrup transformatorja, ki izvira iz vibracij navitij, je močno odvisen od poteka magnetnega polja na njihovem mestu. S spreminjanjem geometrije navitij je mogoče spremeniti potek magnetnega polja in posledično vplivati na hrup transformatorja. Vpliv spremembe geometrije na vibracije navitij je mogoče analizirati z elektromagnetnim izračunom, ki mu sledi strukturni numerični model. Za potrebe optimizacije geometrije smo razvili poenostavljen numeričen izračun hrupa, ki deluje veliko hitreje od klasičnih metod izračunov, in ga uporabili v optimizacijski zanki za optimizacijo geometrije.

Keywords

magistrske naloge;hrup;transformatorji;optimizacija;geometrija;numerični modeli;navitja;

Data

Language: Slovenian
Year of publishing:
Typology: 2.09 - Master's Thesis
Organization: UL FS - Faculty of Mechanical Engineering
Publisher: [M. Mlačnik]
UDC: 621.314:534:519.6(043.2)
COBISS: 16922907 Link will open in a new window
Views: 2437
Downloads: 20
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Other data

Secondary language: English
Secondary title: Transformer winding geometry optimization from a noise aspect
Secondary abstract: Transformer noise that results from the winding vibrations strongly depends on the surrounding magnetic field distribution. By changing the geometry of the windings, one can change the magnetic field distribution and affect the transformer noise. The effect of winding geometry change on vibrations can be analyzed with electromagnetic calculation, followed by a structural numerical model. We have developed a simplified numerical noise calculation method for the purpose of geometry optimization, that works much faster than conventional numerical methods, and used it in a geometry optimization loop.
Secondary keywords: master thesis;noise;transformers;optimization;geometry;numerical model;winding;
Type (COBISS): Master's thesis/paper
Study programme: 0
Embargo end date (OpenAIRE): 2021-09-06
Thesis comment: Univ. Ljubljana, Fak. za strojništvo
Pages: XXIV, 75 str.
ID: 11219415