Arc fault detection
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United States of America Patent
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N/A
Issued Date -
Aug 3, 2006
app pub date -
Jan 12, 2006
filing date -
Jan 21, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An arc fault detector configured to process audio frequencies associated with an arc fault condition to detect the occurrence of an arc fault condition. In one embodiment, the arc fault detector includes an alternating current (AC) line filter for receiving an AC line signal having a line frequency portion and an audio frequency portion in the electromagnetic spectrum associated with at least one arc condition. The AC line filter removes the line frequency portion and passes the audio frequency portion to an audio frequency filter which processes the audio frequency portion for an arc fault signature to detect for the occurrence of an arc fault condition.
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