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This paper presents a new two-terminal impedance-based fault location algorithm, which takes into account the distributed parameter line model. The algorithm utilizes unsynchronized measurements of voltages and currents from two ends of a line and is formulated in terms of the fundamental frequency phasors of symmetrical components of the measured signals. First, an analytical synchronization of the...
An accurate fault location algorithm for double-circuit series compensated lines is presented. Use of two-end unsynchronized measurements of current and voltage signals is considered. The algorithm applies two subroutines, designated for locating faults on particular line sections, and additionally the procedure for selecting the valid subroutine. The subroutines are formulated with use of the generalized...
This paper presents accurate fault location algorithm for series compensated lines. Use of two-end current and voltage signals with a more general case of unsynchronised measurements is considered. Two ways of synchronisation of measurements are presented. The subroutines of the developed algorithm are formulated with use of the generalised fault loop model, leading to compact formulae. High accuracy...
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