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Modelovanje impedanse zemlje kao povratnog provodnika

Modeling of Earth return path impedance

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2015
Disertacija13333.pdf (2.418Mb)
IzvestajKomisije13333.pdf (242.7Kb)
Author
Kasaš-Lažetić, Karolina
Mentor
Pekarić-Nađ, Neda
Committee members
Cvetković, Zlata
Bajović, Vera
Đurić, Nikola
Grbić, Tatjana
Prša, Miroslav
Pekarić-Nađ, Neda
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Abstract
U radu je pokazano da frekvencijski zavisna impedansa zemlje kao povratnog provodnika, pri proizvoljnoj učestanosti može veoma tačno da se odredi pomoću fluksa kompleksnog Pointingovog vektora. Za izračunavanje kompleksnog Pointingovog vektora, neophodno je prethodno odrediti raspodelu struje u zemlji, kao i raspodelu magnetskog polja i u zemlji i u vazduhu iznad površi zemlje. Obe ove raspodele takođe su značajne za analizu elektroenergetskih sistema.
The thesis shows that the Earth return impedance at arbitrary low frequency can be accurately determined from the complex Poynting vector flux. For the complex Poynting vector calculation, first it is necessary to determine the current distribution inside the ground, as well as the magnetic field distribution both inside the ground and in the air above the ground surface. Both distributions are also significant for power electrical systems analysis.
Faculty:
University of Novi Sad, Faculty of Technical Science
Date:
04-12-2015
Keywords:
Raspodela struje / Current distribution / Poynting vector flux / single layer and two layer ground / Earth return impedance / fluks Pointingovog vektora / homogeno i dvoslojno zemljište / impedansa zemlje
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http://www.cris.uns.ac.rs/DownloadFileServlet/Disertacija144767533172762.pdf?controlNumber=(BISIS)95572&fileName=144767533172762.pdf&id=4632&source=NaRDuS&language=sr
http://nardus.mpn.gov.rs/handle/123456789/8678
http://www.cris.uns.ac.rs/record.jsf?recordId=95572&source=NaRDuS&language=sr
http://www.cris.uns.ac.rs/DownloadFileServlet/IzvestajKomisije144162378451166.pdf?controlNumber=(BISIS)95572&fileName=144162378451166.pdf&id=4256&source=NaRDuS&language=sr

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