Method and apparatus for detecting arcing in alternating current power systems by monitoring high-frequency noise
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United States of America Patent
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Jul 11, 1995
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app pub date -
Sep 6, 1994
filing date -
Jul 30, 1992
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Abstract
An arc detector or detecting potentially hazardous arcing in electrical connections comprises detection and signal processing circuitry for monitoring high-frequency noise on the power line characteristic of arcing and distinguishable from other sources of high-frequency noise. If high-frequency noise is present and a gap is detected at intervals synchronous to the power frequency, arcing is determined to be present, and an alarm is given.
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