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Title:Ocenjevanje vztrajnostne konstante EES : diplomsko delo
Authors:ID Roškarič, Bojan (Author)
ID Polajžer, Boštjan (Mentor) More about this mentor... New window
ID Topler, Marcel (Comentor)
Files:.pdf VS_Roskaric_Bojan_2020.pdf (1,87 MB)
MD5: 83208746FA0777E5BF9482AF1EBFFB59
PID: 20.500.12556/dkum/8015cb80-195a-43fa-b6a5-c8da3568de6b
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:Diplomska naloga obravnava vztrajnost elektroenergetskega sistema (EES). Opravljena je analiza obnašanja EES ob upadu frekvence iz katere sledi, da je gradient frekvence odvi-sen od vztrajnosti EES. Obravnavani so algoritmi za ocenjevanje vztrajnosti na osnovi li-nearnega diferencialnega operatorja in linearnega integralnega operatorja v kombinaciji z metodo najmanjših kvadratov. Narejeni so simulacijski izračuni z uporabo poenostavlje-nih modelov agregatov in z uporabo popolnega modela hidroelektrarn Vuhred in Ožbalt. Nakazana je tudi problematika vpliva vetrnih elektrarn na vztrajnost EES. Rezultati kažejo na negativni vpliv nemodelirane dinamike in meritve frekvence pri uporabi obravnavanih algoritmov.
Keywords:frekvenca, vztrajnostna konstanta, ocenjevanje vztrajnosti, frekvenčna stabilnost, pomično podatkovno okno
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[B. Roškarič]
Year of publishing:2020
Number of pages:X, 44 str.
PID:20.500.12556/DKUM-77780 New window
UDC:621.311.1.016.35+519.876.5(043.2)
COBISS.SI-ID:39669763 New window
NUK URN:URN:SI:UM:DK:6UMEINM5
Publication date in DKUM:03.11.2020
Views:1504
Downloads:134
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:14.09.2020

Secondary language

Language:English
Title:Inertia estimation of an electric power system
Abstract:The diploma thesis deals with the inertia of the electric power system. An analysis of the behavior of the power system with a decrease in frequency is performed, from which it follows that the rate of change frequency depends on the inertia of the power system. Algorithms for estimating inertia based on a linear differential operator and a linear in-tegral operator in combination with the least squares method are discussed. Simulation calculations are made using simplified models of aggregates and using a complete model of Vuhred and Ožbalt hydropower plants. The issue of the influence of wind power plants on the inertia of the power system is also pointed out. The results show a negative influ-ence of the unmodeled dynamics and frequency measurement method when using the considered algorithms
Keywords:Frequency, inertia constant, estimation inertia, frequency stability, moving data window


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