Distance protection performance under single phase to Earth fault alone and simultaneously with open conductor failure

This paper presents performance of distance protection for overhead power line under a single phase earth fault alone and such fault simultaneously with an open conductor failure. The analysis is focused on steady state measurement of the fault-loop impedance and its placement in relation to distanc...

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Bibliographic Details
Published in2016 Electric Power Networks (EPNet) pp. 1 - 5
Main Authors Smetek, Gabriela, Izykowski, Jan
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2016
Subjects
Circuit faults
Conductors
digital simulation
distance protection
Earth
earth fault
Impedance
Impedance measurement
open conductor
overhead power line
Protective relaying
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DOI10.1109/EPNET.2016.7999374

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Summary:This paper presents performance of distance protection for overhead power line under a single phase earth fault alone and such fault simultaneously with an open conductor failure. The analysis is focused on steady state measurement of the fault-loop impedance and its placement in relation to distance protection first zone of MHO type. The considerations are based on using the fault data obtained from ATP-EMTP simulation of power line faults of different specifications. The sample results of the analysis are included and discussed.
DOI:10.1109/EPNET.2016.7999374