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Title:
ANALIZA ENOFAZNIH ZEMELJSKIH STIKOV NA II. 20 kV SISTEMU V ZGO RAVNE
Authors:
ID
Tomšič, Janez
(
Author
)
ID
Polajžer, Boštjan
(
Mentor
)
More about this mentor...
ID
Grčar, Bojan
(
Comentor
)
Files:
UN_Tomsic_Janez_2016.pdf
(12,98 MB)
MD5: BEBBF1E319130478EBE762C4EB730A41
Language:
Slovenian
Work type:
Undergraduate thesis
Typology:
2.11 - Undergraduate Thesis
Organization:
FERI - Faculty of Electrical Engineering and Computer Science
Abstract:
Diplomska naloga obravnava problematiko odkrivanja in odprave enofaznega zemeljskega stika na II. 20 kV sistemu v ZGO Ravne. Odkrivanje zemeljskega stika je lahko zelo dolgotrajen proces, ki ga operater izvaja po korakih. Z analizo omrežja v ZGO Ravne, pri čemer smo upoštevali različna obratovalna stanja, smo s pomočjo modela izdelanega s programskim paketom Matlab/Simulink/SimPowerSystems določili sprožilne vrednosti zemeljskostične zaščite. V zaključku smo podali predlog tehnične rešitve in s tem avtomatizacije postopka. Rešitev bo bistveno olajšala delo operaterjev in skrajšala čas odkrivanja okvare.
Keywords:
enofazni zemeljski stik
,
elektorenergetsko omrežje
,
zemljostična zašćita
Place of publishing:
[Maribor
Publisher:
J. Tomšič
Year of publishing:
2016
PID:
20.500.12556/DKUM-57787
UDC:
621.3.025.1:621.31(043.2)
COBISS.SI-ID:
19473174
NUK URN:
URN:SI:UM:DK:ILRLUV8F
Publication date in DKUM:
23.03.2016
Views:
1812
Downloads:
198
Metadata:
Categories:
KTFMB - FERI
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Secondary language
Language:
English
Title:
ANALYSIS OF SINGLE-PHASE FAULTS ON II. 20 kV SYSTEM IN ZGO RAVNE
Abstract:
The diploma work deals with the problem of detection and elimination of a single-phase-to earth faults on the II. 20 kV system in ZGO Ravne. Detection of earth faults can be a very time consuming process which is carried out by the operator step-by-step procedure. Analysis of the network in ZGO Ravne was performed for different operating conditions using a model constructed in Matlab/Simulink/SimPowerSystems. The obtained results were used for setting of the earth fault overcurrent protection. In conclusion, we have presented a proposal of technical solutions and thus the partial automation of the process. The solution will significantly facilitate the work of operators and shorten the time to detect of single-phase-to earth faults.
Keywords:
single-phase earth faults
,
power network
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