Arc fault circuit interrupter (AFCI) with arc signature detection
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United States of America Patent
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Nov 12, 2019
Grant Date -
Mar 22, 2018
app pub date -
Sep 19, 2016
filing date -
Sep 19, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
In one example, an arc fault circuit interrupter (AFCI) is provided. The AFCI may include a plurality of current arc signature detection blocks configured to output a plurality of corresponding current arc signatures, and a processor. The processor may be configured to receive each of the plurality of current arc signature from each of plurality of current arc signature detection blocks, respectively, and generate a first trigger signal. The processor may be further configured to assess each of the current arc signatures, determine whether an arc fault exists based on the assessment, and generate the first trigger signal if an arc fault is determined to exist. A method for detecting an arc fault is also provided.
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