Fault location on transmission lines using measurement signals from two-ends,not length of line and parameters

Abstract

This paper presents a method to calculate the fault location on transmission lines. This method uses the voltage signals and synchronous or asynchronous measurement currents from both ends of the transmission line without using the length parameters and other parameters of the transmission line, The paper uses Newton-Raphson algorithm: to calculate the synchronous angle for synchronizing voltage and measurement current from both ends of transmission line to define the transmission line parameters and to locate fault location. This paper also developed a method to define the initial guess for the iterative algorithm Newton - Raphson to locate the fault location. The algorithm is simple, just uses the voltage and current signals. The accuracy of the algorithm was verified through simulation using Matlab software.