DC Arc fault detection and protection

DC Arc fault detection and protection

A DC arc fault device and methodology includes acquiring a signal (30) in response to a DC current. A software module (22) identifies a parallel DC arc event when a difference between a maximum signal value (32) and a minimum signal value (34) exceeds a threshold. The software module (22) also deter...

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Hauptverfasser: KILROY, DONALD G, OLDENBURG, WAYNE H
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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creator KILROY, DONALD G
OLDENBURG, WAYNE H
description A DC arc fault device and methodology includes acquiring a signal (30) in response to a DC current. A software module (22) identifies a parallel DC arc event when a difference between a maximum signal value (32) and a minimum signal value (34) exceeds a threshold. The software module (22) also determines average signal values (V 1 , V 2 ) over multiple selected time periods (Y, W) and identifies a series DC arc event in response to the difference (Z) between the average values (V 1 , V 2 ) exceeding a predetermined threshold.
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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
title DC Arc fault detection and protection
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