System and method to locate an anomaly of a conductor

Details System and method to locate an anomaly of a conductor System and method to locate an anomaly of a conductor

2006-07-11

2006-07-11

Benson, Walter (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

C324S534000

Reexamination Certificate

active

07075309

ABSTRACT:
A system (20) and method to locate an anomaly (22) of a conductor (24) is provided. The system (20) uses a test set (28) to inject a test signal (36) into the conductor (24) at a location (PT) and a probe (30) to detect the test signal (36) at a second location (PP). A communication link (42) between the probe (30) and the test set (28) has a predetermined propagation delay (DS), from which the system (20) can calculate a propagation delay (DTP) of the conductor (24) between the test set (28) and the probe (30), and a propagation delay (DPA) between the probe (30) and the anomaly (22). By varying the location (PP) of the probe (30) until the propagation delay (DPA) between the probe (30) and the anomaly (22) is substantially zero, the precise location (PA) of the anomaly (22) may be determined. The propagation velocity (VC) of the conductor (24) may also be determined. The physical distance (LPA) between the probe (30) and the anomaly (22), and hence the precise location (PA) of the anomaly (22), again may be determined.

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