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RAČUNALNIŠKA APLIKACIJA ZA IZRAČUN ELEKTRIČNIH RAZDALJ V OMREŽJU ENTSO-E
ŠKRJANC, TADEJ (Author), Ažbe, Valentin (Mentor) More about this mentor... This link opens in a new window

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Abstract
V magistrskem delu smo se lotili problema izračuna električnih razdalj za primer omrežja celinske Evrope, katerega del je tudi slovensko omrežje. Najprej smo si pogledali zakaj manjša omrežja povezujemo v večja interkonekcijska ter kako je elektroenergetsko omrežje v Evropi razdeljeno. Sledi opis uporabljenih modelov elementov pri izračunih. Ker električne razdalje lahko dobimo iz diagonalnih členov inverzne admitančne matrike, si pogledamo kako admitančno matriko sestavimo. V nadaljevanju se sprašujemo, če je sploh potreben inverz celotne admitančne matrike, saj je inverz velike matrike časovno potraten. Ugotovimo, da lahko s pomočjo DD algoritma izračunamo diagonalne člene inverzne matrike brez invertiranja celotne admitančne matrike. Podrobneje predstavimo potek algoritma in pogledamo kako smo ga uporabili v naših izračunih. Izračune smo izvedli z lastnim programom, izdelanim v okolju Borland Delphi 7, ki temelji na programskem jeziku Pascal. V nadaljevanju si pogledamo probleme, ki jih prinese uporaba tega programa in podamo možne rešitve ter zglede za lažje razumevanje. Za konec predstavimo še grafični vmesnik in možne nastavitve izračunov.

Language:Slovenian
Keywords:ENTSO-E, Théveninova impedanca, admitančna matrika, Delphi
Work type:Master's thesis/paper (mb22)
Organization:FE - Faculty of Electrical Engineering
Year:2017
Views:356
Downloads:291
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Secondary language

Language:English
Title:COMPUTER APPLICATION FOR CALCULATION OF ELECTRICAL DISTANCES IN ENTSO-E NETWORK
Abstract:
This master’s thesis presents the problem of calculating electrical distances for the case of the network of continental Europe, which part is also the Slovenian transmission network. At the beginning we find out why smaller networks are connected into larger interconnection network and how the electricity grid is distributed in Europe. Next we describe models of elements used in the calculations. Because electrical distances can be obtained from the inversion of nodal admittance matrix, we look at how to construct it. In the following, we ask ourselves if it is necessary to invert the entire admittance matrix, since the inverse of the large matrix is time consuming. We figure out that with the DD algorithm we can calculate the diagonal elements of the inverse matrix without inverting the entire admittance matrix. We look more closely how DD algorithm work and how we can use it in our calculations. The calculations were performed using our own program, developed with Delphi 7 software package, which is based on Pascal programming language. Below we describe problems that this software package brings out and provide possible solutions with practical examples for easier understanding. Finally, we present a graphical interface and possible calculation settings.

Keywords:ENTSO-E, Thévenin's impedance, node admittance matrix, Delphi

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