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Title:
ANALIZA IZOLACIJSKE TRDNOSTI ENOPOLNEGA SREDNJENAPETOSTNEGA IZOLIRANEGA PODSTAVKA VAROVALKE VOH 01
Authors:
ID
Podpečnik, Robi
(
Author
)
ID
Pihler, Jože
(
Mentor
)
More about this mentor...
ID
Jesenik, Marko
(
Comentor
)
Files:
UNI_Podpecnik_Robi_2010.pdf
(11,04 MB)
MD5: 1D92DC189B921CFD64A399CAE51CDC5F
PID:
20.500.12556/dkum/42057430-50e0-4e84-9353-d0dcec853c65
Language:
Slovenian
Work type:
Undergraduate thesis
Organization:
FERI - Faculty of Electrical Engineering and Computer Science
Abstract:
V diplomskem delu je obravnavan enopolni srednjenapetostni izoliran podstavek varovalke VOH 01, ki omogoča zanesljivejše obratovanje in varnejše posluževanje transformatorske postaje. V programu Flux so z metodo končnih elementov izračunane električne in magnetne razmere 3D modela podstavka varovalke VOH 01. Pri izračunu harmoničnega električnega polja je analizirana izolacijska trdnost pri dveh vrednostih napetosti in prikazan vpliv sprememb relativne dielektričnosti εr v izolaciji na električno poljsko jakost E. Pri izračunu harmoničnega magnetnega polja je izračunana velikost vrtinčnega toka v nosilcu podstavka in prikazan vpliv povečanja vzbujalnega toka na vrtinčne izgube. Pri elektrostatičnem izračunu so predstavljene električne razmere in vpliv sprememb relativne dielektričnosti εr v izolaciji na električno poljsko jakost E. Z različnimi izračuni in grafičnim prikazom rezultatov je pridobljena predstava o električnih in magnetnih razmerah v notranjosti in okolici izoliranega podstavka varovalke VOH 01.
Keywords:
taljiva varovalka
,
podstavek varovalke
,
metoda končnih elementov
,
električno polje
,
magnetno polje.
Place of publishing:
Maribor
Publisher:
[R. Podpečnik]
Year of publishing:
2010
PID:
20.500.12556/DKUM-16785
UDC:
621.315.61:621.316.923(043.2)
COBISS.SI-ID:
14986774
NUK URN:
URN:SI:UM:DK:DI0TKTVU
Publication date in DKUM:
06.01.2011
Views:
2939
Downloads:
205
Metadata:
Categories:
KTFMB - FERI
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Secondary language
Language:
English
Title:
INSULATION STRENGHT ANALYSIS OF SINGLE-POLE MEDIUM VOLTAGE INSULATED FUSE BASE VOH 01
Abstract:
Single-pole medium voltage insulated fuse base VOH 01, which enables reliable operation and safer supply of transformer substation, is discussed in this diploma. Electric and magnetic conditions in 3D model of fuse base VOH 01 were calculated by using the finite element method with the software Flux. In calculating the harmonic electric field, the dielectric strenght at two levels of voltage was analysed and the impact of changes of relative permittivity εr of the insulation on the electric field strength E was observed. In calculating the harmonic magnetic field, the size of the eddy-current in the carrier of fuse holder was calculated and the effect of increasing current on eddy-current losses was studied. In the electrostatic calculation, the electrical conditions and the impact of changes of relative permittivity εr of the insulation on the electric field strength E was observed. We were given the idea of electric and magnetic conditions inside and around the isolated fuse base VOH 01 by different calculations and graphic display of results.
Keywords:
melting fuse
,
fuse base
,
finite element method
,
electric field
,
magnetic field.
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