METHOD AND DEVICE FOR TESTING ELECTRIC-ARC PROTECTION AND ELECTRICAL UNIT INCLUDING SUCH A DEVICE

METHOD AND DEVICE FOR TESTING ELECTRIC-ARC PROTECTION AND ELECTRICAL UNIT INCLUDING SUCH A DEVICE

The invention discloses a method and a device for testing electric arc protection. The method includes a test phase in which a test signal is input to an arc signal processing section. In a preset time section (T1, T2, T3), the generator (13) inputs the test signals (SF1, SF2, SF3) of the test frequ...

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Hauptverfasser: BERNARD, Jean-Baptiste, HENNEQUIN, Michel, LEGER, Eric
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator BERNARD, Jean-Baptiste
HENNEQUIN, Michel
LEGER, Eric
description The invention discloses a method and a device for testing electric arc protection. The method includes a test phase in which a test signal is input to an arc signal processing section. In a preset time section (T1, T2, T3), the generator (13) inputs the test signals (SF1, SF2, SF3) of the test frequency (F1, F2, F3) to the test winding (14) of the current measuring transformer (4). The overall test period is shorter than the non-trigger period (TND). In the inputting period of the test signals, the processing unit checks the signal and/or protection functions filtered and processed by the measurement chain and determines the status of the arc prevention check. If the number of inspection signals correctly processed by the measurement chain is insufficient, it is determined that the state of the arc prevention test is negative.
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title METHOD AND DEVICE FOR TESTING ELECTRIC-ARC PROTECTION AND ELECTRICAL UNIT INCLUDING SUCH A DEVICE
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