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IEEE PES Transactions on Power DeliveryEstimation of Transmission Line Parameters based on Modal Transformation Theory
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IEEE Transactions on Power Delivery TPWRD-00238-2010 Transactions 01-Apr-2010 Kurokawa, Sergio; Universidade Estadual Paulista, Departamento de Engenharia Elétrica Asti, Gislaine; Universidade Estadual Paulista, Departamento de Engenharia Elétrica Pissolato, Jose Prado, Afonso; Universidade Estadual Paulista, Departamento de Engenharia Elétrica Bovolato, Luiz; Universidade Estadual Paulista, Departamento de Engenharia Elétrica AC transmission and distribution facilities < Transmission and Distribution Transmisison lines, Parameter estimation, Transmission line modeling
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Estimation of Transmission Line Parameters based on Modal Transformation Theory
S. Kurokawa, G. A. Asti, J. Pissolato, A. J. Prado, L. F. Bovolato
Abstract--The objective of this paper is to show a methodology to estimate transmission line parameters. The method is based on the modal decomposition theory and it is developed starting from currents and voltages measured at the sending end and receiving end of the line. The procedure has been used in a 440 kV threephase line. The results show that the precision of the method depends of the length of the line and of the characteristics of the load that is connected at the receiving end of the line. Index Terms—Transmission lines, Parameters estimation, Transmission line modeling.
I. INTRODUCTION T is known that self and mutual impedances of overhead lines can be calculated taking into account the solutions of the Maxweel’s equations for the boundary