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1. (WO2014209311) ADAPTIVE ARC FAULT DETECTION TRIP DECISION BUFFER

Pub. No.:    WO/2014/209311    International Application No.:    PCT/US2013/048074
Publication Date: Thu Jan 01 00:59:59 CET 2015 International Filing Date: Fri Jun 28 01:59:59 CEST 2013
IPC: H02H 3/00
H02H 9/00
Applicants: SCHNEIDER ELECTRIC USA, INC.
Inventors: SCHROEDER, Jeremy D.
Title: ADAPTIVE ARC FAULT DETECTION TRIP DECISION BUFFER
Abstract:
An autonomous adaptive arc fault detection device includes a memory for storing data of arc fault tripping events detected on a circuit over a period of time. The device also includes a processor, in communication with the memory, for determining whether a newly detected arc fault tripping event is an unwanted tripping event based on a number of times a same type of tripping event, as the newly detected arc fault tripping event, has occurred, and inhibiting interruption of the circuit if the newly detected arc fault tripping event is determined to be an unwanted tripping event. The memory can store data, such as sensed or calculated electrical characteristic parameters defining a signature of a detected arc fault tripping event as well as a number of times a stored tripping event has occurred over a period of time.