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Ingeniería e Investigación

Print version ISSN 0120-5609

Abstract

OLARTE DUSSAN, Fredy Andrés; BORDA ZAPATA, Carlos Eduardo  and  DIAZ MORALES, Hernando. State Estimation-based Transmission line parameter identification. Ing. Investig. [online]. 2010, vol.30, n.1, pp.56-63. ISSN 0120-5609.

This article presents two state-estimation-based algorithms for identifying transmission line parameters. The identification technique used simultaneous state-parameter estimation on an artificial power system composed of several copies of the same transmission line, using measurements at different points in time. The first algorithm used active and reactive power measurements at both ends of the line. The second method used synchronised phasor voltage and current measurements at both ends. The algorithms were tested in simulated conditions on the 30-node IEEE test system. All line parameters for this system were estimated with errors below 1%.

Keywords : state estimation; parameter estimation; PMU; least squares.

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