Method and apparatus for detecting faults in buried...

Details Method and apparatus for detecting faults in buried... Method and apparatus for detecting faults in buried...

G - Physics

01

R

324/58.01

G01R 31/08 (2006.01) G01V 3/06 (2006.01)

Patent

CA 1060952

METHOD AND APPARATUS FOR DETECTING FAULTS IN BURIED INSULATED CONDUCTORS Abstract of the Disclosure An electrical leakage path fault in the insulation of a buried conductor is located by first applying a composite signal comprising a test signal and a carrier signal modulated by the test signal between the conductor and earth. The two components of the composite signal are then sensed at locations along the path of the conductor. The sensed carrier signal is used by itself while its modulation content is used with the sensed test signal to trace the conductor to the fault. - 1 -

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