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An accurate fault classification technique for power system monitoring devices

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1 Author(s)
T. Adu ; Mehta Tech. Inc., Eldridge, IA, USA

This paper presents a novel method of classifying transmission line shunt faults. Most algorithms employed for analyzing fault data require that the fault type be classified. The older fault-type classification algorithms are inefficient because they are not effective under certain operating conditions of the power system and may not be able to accurately select the faulted transmission line if the same fault recorder monitors multiple lines. The technique described in this paper has been proven to accurately identify all ten types of shunt faults that may occur in an electric power transmission system. The other advantage of this technique is that it can be used where multiple transmission lines are present. It is able to identify the faulted line even if secondary effects are recorded in the unfaulted lines.

Published in:

IEEE Transactions on Power Delivery  (Volume:17 ,  Issue: 3 )