Identification of transmission line parameters from temporal measurements of currents and voltages in their terminals: Influence oh the length line
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Data
2012-12-11
Autores
Asti, G. A. [UNESP]
Da Silva, R. C. [UNESP]
Kurokawa, S. [UNESP]
Da Costa, E. C M
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Resumo
The objective of this paper is to show a methodology to estimate transmission line parameters. The method is applied in a single-phase transmission line using the method of least squares. In this method the longitudinal and transversal parameters of the line are obtained as a function of a set of measurements of currents and voltages (as well as their derivatives with respect to time) at the terminals of the line during the occurrence of a short-circuit phase-ground near the load. The method is based on the assumption that a transmission line can be represented by a single circuit π. The results show that the precision of the method depends on the length of the line, where it has a better performance for short lines and medium length. © 2012 IEEE.
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Least-squares method, Parameters estimation, Transmission line modeling, Transmission lines, Currents and voltages, Least squares methods, Method of least squares, Temporal measurements, Transmission line parameters, Electric lines, Least squares approximations, Transmission line theory
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IEEE Power and Energy Society General Meeting.