A Direct Three-Phase Circuit Analysis-Based Fault Location for Line-to-Line Fault

From a direct three-phase circuit analysis, an accurate fault-location algorithm has been obtained for the line-to-line fault as an extension of the author's previous work for line-to-ground fault location. Robustness of the proposed algorithm to load impedance uncertainty is enhanced by the in...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2007-10, Vol.22 (4), p.2541-2547
Main Authors: CHOI, Myeon-Song, LEE, Seung-Jae, LIM, Seong-Il, LEE, Duck-Su, XIA YANG
Format: Article
Language:English
Subjects:
Algorithms
Applied sciences
Circuit analysis
Circuit faults
Circuits
Connection and protection apparatus
Current measurement
Distribution automation
Electrical engineering. Electrical power engineering
Exact sciences and technology
Fault location
Faults
Impedance
Impedance measurement
Power system simulation
protective relaying
Robustness
short-circuit analysis
Testing. Reliability. Quality control
Uncertainty
Voltage
Wavelet packets
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Summary:From a direct three-phase circuit analysis, an accurate fault-location algorithm has been obtained for the line-to-line fault as an extension of the author's previous work for line-to-ground fault location. Robustness of the proposed algorithm to load impedance uncertainty is enhanced by the introduction of impedance compensation using voltage and current measurements. Simulation results show a high degree of accuracy and robustness to load uncertainty.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2007.905535