2015
DOI: 10.1049/iet-gtd.2014.0746
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Estimation of transmission line parameters using multiple methods

Abstract: An estimation procedure for transmission line parameters is developed that combines a new method of determining line parameters with others available in the technical literature. Each estimation method has certain advantages and restrictions that depend on the operating conditions of the transmission system (e.g. the load profile), the physical characteristics of the line (e.g. the length and the geometry) and electromagnetic phenomena (e.g. singleor multiphase faults). The proposed estimation procedure exploi… Show more

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Cited by 42 publications
(38 citation statements)
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“…Figure 7 presents the estimation errors of fault location and resistances for different deviations of line parameters utilized in the algorithm from the parameters employed for the simulations. The fault location and estimation of fault resistances achieved reasonable accuracy for L L and R L in the range of ±10%, which is larger than the accuracy of available methods for line parameters' estimation [13], [14]. Note that the proposed algorithm also correctly estimated the fault inception interval for all simulated internal fault instances.…”
Section: G Impact Of Inaccuracies In Line Parametersmentioning
confidence: 96%
“…Figure 7 presents the estimation errors of fault location and resistances for different deviations of line parameters utilized in the algorithm from the parameters employed for the simulations. The fault location and estimation of fault resistances achieved reasonable accuracy for L L and R L in the range of ±10%, which is larger than the accuracy of available methods for line parameters' estimation [13], [14]. Note that the proposed algorithm also correctly estimated the fault inception interval for all simulated internal fault instances.…”
Section: G Impact Of Inaccuracies In Line Parametersmentioning
confidence: 96%
“…En la solución de los problemas asociados a los estudios con líneas de transmisión se asume que los parámetros de la línea se conocen. La determinación más acertada de sus parámetros depende del objetivo del análisis que se realizará en el sistema eléctrico de potencia, el modelo de una línea de transmisión no será el mismo para un estudio del sistema en estado estable que para un estudio de coordinación de aislamiento y el conocimiento de las condiciones transitorias y posibles sobrevoltajes en la línea [1], [2], [3].…”
Section: Introductionunclassified
“…Los parámetros eléctricos de una línea de transmisión pueden ser calculados a partir de su geometría y sus componentes, pero la determinación de este modelo basado en los métodos de las funciones de Bessel y Carson producen ciertas imprecisiones debido a las aproximaciones que se utilizan para las condiciones ambientales variantes, la conductividad no homogénea del suelo y la geometría de la torre [2], [4].…”
Section: Introductionunclassified
“…Most of these papers are focused solely on IEEE system and are not tested on a real system. One of the systems that have been tested is long transmission line [12]. Theoretically, values of R, L and C in long transmission line are supposedly higher than short transmission line.…”
Section: Introductionmentioning
confidence: 99%