Method and system for detecting faults in a low voltage three-phase network

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United States of America

PATENT NO 12166340
APP PUB NO 20220181865A1
SERIAL NO

17533173

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Abstract

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A method for detecting faults in a low voltage three-phase network including:

    checking if any of three phases of the three-phase network satisfies first conditions for a predetermined duration of time;if at least two phases satisfy the first conditions, detecting an inter-phase fault by checking if the current level in at least two phases exceed a threshold and if the corresponding current flows are in the same direction;if only one of the three phases satisfies the first conditions, for the phase which has satisfied the first conditions, checking if a second condition is satisfied and, in a positive case, detecting a mono-phase fault.

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Patent Owner(s)

Patent OwnerAddress
SCHNEIDER ELECTRIC INDUSTRIES SASRUEIL-MALMAISON

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alibert, Philippe Lans en Vercors, FR 5 5
Corbet, David Vizille, FR 1 0
Pham, Thi Thu Ha Gieres, FR 1 0

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