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Power line fault detector and analyzer

  • US 6,798,211 B1
  • Filed: 10/29/1998
  • Issued: 09/28/2004
  • Est. Priority Date: 10/30/1997
  • Status: Expired due to Fees
First Claim
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1. A fault locator system for an underground residential distribution power cable system which includes a distribution loop having first and second ends the distribution loop including sections of cable connected in series, the junction between any two of the cable sections being coupled to a transformer, at least one end of the distribution loop being coupled to receive a power system signal, the fault locator system comprising:

  • a fault signature detector coupled to the distribution loop at one of the junctions between two of the cable sections to detect a transient signal representing a fault; and

    a power supply, coupled to receive operational power from the transformer which is coupled to the junction of the two cable sections.

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