Arcing fault detector
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United States of America Patent
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-
Jun 9, 1992
Grant Date -
N/A
app pub date -
Mar 30, 1990
filing date -
Mar 30, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An arcing fault detector is set up to identify arcing faults and to distinguish them from other disturbances in a circuit. A plurality of electrical conditions are monitored and the conditions are tested against predetermined parameters for establishing a series of logical conditions relating to the presence of an arcing fault. A logic circuit combines the logical conditions for deciding on the presence of an arcing fault. An output signal of the logic circuit is used to activate a relay for interrupting the supply of electrical power to the circuit.
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