Online One-End Fault Location Algorithm for Parallel Transmission Lines
نویسندگان
چکیده
منابع مشابه
Online One-End Fault Location Algorithm for Parallel Transmission Lines
Fault location and distance protection are essential smart grid technologies ensuring reliability of the power system. This paper describes an accurate algorithm for locating faults on double-circuit transmission lines. The proposed approach is capable of identifying the faulted circuit of a parallel transmission line by checking the estimated fault location and fault resistance. Voltage and cu...
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Overhead transmission lines are parts of the electric power system where fault probabilities are generally higher than that of other system components. One of the main objective of protective system is to detect faults on transmission lines as fast as possible. Another important job is to locate this fault point accurately. Therefore, it is very important to have a fast reliable methods that ca...
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Varieties of fault location algorithms, differing in many aspects, have been developed so far. Huge majority of them, including the algorithm presented in this paper, belongs to the family of impedance based algorithms. In these algorithms the impedance parameters of a line are taken as the measure for a distance to fault. Basically, voltages and currents from one end or from all terminals of a...
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This paper presents a novel fault location method for series compensated transmission lines. It is established based on synchronized voltages sampling and Thevenin impedance from both ends of series compensated transmission line. The method is based on the use of phasor measurement units (PMU) technology which is aimed to be independent of current measurements, fault type, fault resistance, fau...
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In this paper, an approach is proposed for accurate locating of single phase faults in transmission lines using voltage signals measured at one-end. In this method, harmonic components of the voltage signals are extracted through Discrete Fourier Transform (DFT) and are normalized by a transformation. The proposed fault locator, which is designed based on Random Forests (RF) algorithm, is train...
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ژورنال
عنوان ژورنال: Smart Grid and Renewable Energy
سال: 2011
ISSN: 2151-481X,2151-4844
DOI: 10.4236/sgre.2011.24041