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Title:ANALIZA ELEKTRIČNIH IN MAGNETNIH RAZMER VAKUUMSKEGA ODKLOPNIKA
Authors:ID Žitnik, Uroš (Author)
ID Hamler, Anton (Mentor) More about this mentor... New window
ID Pihler, Jože (Comentor)
Files:.pdf UNI_Zitnik_Uros_2009.pdf (11,94 MB)
MD5: A68BA03132EE7BB291926138BE57E7FC
PID: 20.500.12556/dkum/a38cd26c-6763-40ce-aae0-2f8af686de95
 
Language:Slovenian
Work type:Undergraduate thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:V diplomskem delu je obravnavan vakuumski odklopnik, ki se zaradi ugodnih značilnosti in okolju prijazne tehnologije vgrajujejo v srednjenapetostne elektroenergetske objekte. Ob upoštevanju časovnega spreminjanja magnetnega polja so v programu Vector Fields - Opera, z metodo končnih elementov, analizirane elektromagnetne razmere 3D modela vakuumskega odklopnika s skodeličastimi kontakti, pri čemer je uporabljen tranzientni izračun. Za primerjavo je narejena še analiza razmer za spiralno in masivno obliko kontaktov, iz rezultatov analize pa je raziskan namen posebne oblike kontaktov vakuumskega odklopnika, ki je ključna za uspešno prekinitev električnega toka v vakuumu.
Keywords:Vakuumski odklopnik, električni kontakti, električni oblok, numerična analiza, metoda končnih elementov.
Place of publishing:Maribor
Publisher:[U. Žitnik]
Year of publishing:2009
PID:20.500.12556/DKUM-10366 New window
UDC:621.316.53(043.2)
COBISS.SI-ID:13293846 New window
NUK URN:URN:SI:UM:DK:UFKGZZCG
Publication date in DKUM:01.06.2009
Views:3425
Downloads:351
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Secondary language

Language:English
Title:ANALYSIS OF ELECTRICAL AND MAGNETIC CONDITIONS OF A VACUUM CIRCUIT BREAKER
Abstract:This diploma thesis discusses the vacuum circuit breaker, which, due to its advantageous characteristics and environment-friendly technology, is installed into medium voltage power systems. While considering the time-varying of the electromagnetic field, electromagnetic conditions of a 3D model of a vacuum circuit breaker with contrate-cup shaped contacts are analysed. Therefor the software Vector Fields - Opera and his transient analysis is used in which solutions are obtained by the Finite Element Method. For the sake of comparison, an additional analysis of conditions for spiral as well as disc-shaped contacts was made. From the received results of the analysis, the purpose of the vacuum circuit breaker contacts' shape, which is crucial for a successful electric current interruption in vacuum, has been explored.
Keywords:Vacuum circuit breakers, electric contacts, electrical arc, numerical analysis, finite element method.


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