Method and Apparatus for Locating a Parallel Arc Fault
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United States of America Patent
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app pub date -
Jan 29, 2013
filing date -
Aug 19, 2009
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Abandoned
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Abstract
Methods to determine the location of an arc fault include a first method utilizing the inherent resistance per unit length of the wire. A second and a third method utilize an inherent inductance per unit length of the wire. The second method derives the inherent inductance from the output voltage and a rate of current rise. The third method derives the inherent inductance from a resonant frequency of an oscillating current. The information is useful to locate a fault emanating from a wire member of a wiring harness used to distribute power about an aircraft.
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