Abstract
Overhead line parameters are calculated, taking into account the length of the line and the frequency range of the transient to be simulated. Depending on the frequency range and the origin of the transient, several parts of the line (phase conductors, shield wires, towers or poles, footing impedances, insulators) have to be included in the model. In all cases, the most important part is phase conductors. This paper describes an input requirement for obtaining electric overhead line parameters and investigates the sensitivity of these parameters with respect to some input data. The aim is to conclude on the accuracy with which input values must be specified. An illustrative example is included to support the main conclusions.
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