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Evaluation of impedance parameters in transmission lines

A more accurate and flexible grid analysis is achieved through an adaptive and
dynamic calculation of line parameters. This is needed for future smart grid
implementation. The primary objective of this thesis is to analyze the calculation of
transmission line parameters. The impact certain assumptions have on the accuracy of
line parameters and fault location algorithms are evaluated. In particular, the impact of
the grounded shield wire assumption on the accuracy of fault location algorithms is
analyzed. This implies that the impedance of towers be taken into consideration, rather
than the simplification of a direct connection of the earth wire to ground. Secondly, the
phenomenon of skin-effect is analyzed and evaluated in regards to a more accurate
representation of line parameters and a minimization of parameter inaccuracy. / text

Identiferoai:union.ndltd.org:UTEXAS/oai:repositories.lib.utexas.edu:2152/26009
Date18 September 2014
CreatorsTraphöner, Jonas
Source SetsUniversity of Texas
LanguageEnglish
Detected LanguageEnglish
TypeThesis
Formatapplication/pdf

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