Cable Fault Location, Part 2

SKU: TDCF200CENDuration: 60 Minutes

The purpose of this course is to teach the basic principles involved in using two types of specialized equipment to locate faults in underground cable. The course explains and demonstrates how tracer current equipment can be used to locate faults in duct-lay cable and how a high-voltage bridge can be used to determine the approximate location of a fault in pipe-type cable. At the conclusion of this course, participants should be able to locate a phase-to-ground fault in a duct-lay cable with tracer current equipment. They should be able to determine the approximate location of a fault in pipe-type cable with a high-voltage bridge.

Course Details

Specs

Training Time: 60 minutes

Compatibility: Desktop Only

Based on: Industry Standards and Best Practices

Languages: English

Learning Objectives

  • Introduction
  • Define duct-lay cable and describe the strategy commonly used to locate phase-to-ground faults in circuits that use duct-lay cable.
  • Define pipe-type cable and describe the strategy commonly used to locate phase-to-ground faults in circuits that use pipe-type cable.
  • Tracer Current Equipment
  • Identify and explain the purpose of the controls on a typical test set for tracer current equipment.
  • Explain how each of the pickups and detectors are used to locate a fault in duct-lay cable.
  • Locating a Fault in Duct-Lay Cable, Part 1
  • Perform the following preliminary steps before testing a circuit that uses duct-lay cable: interpret the system diagram, ensure that the circuit is isolated and grounded so that it can be worked on, and connect the cables on the test set so that the set can be used to test for the existence of a fault.
  • Locating a Fault in Duct-Lay Cable, Part 2
  • Locate a phase-to-ground fault with tracer current equipment in a circuit that uses duct-lay cable.
  • High-Voltage Bridge
  • Use a simplified diagram to explain how a high voltage bridge can be used to localize a fault in a circuit that uses pipe-type cable.
  • Identify and explain the purpose of the controls on a typical high-voltage bridge.
  • Localizing a Fault in Pipe-Type Cable
  • Perform the following preliminary steps before testing a circuit that uses pipe-type cable: interpret the system diagram and ensure that the circuit is isolated and grounded so that it can be worked on.
  • Connect the cables so that the portable high-voltage supply can be used to determine a faulted and unfaulted phase of the circuit.
  • Connect the cables so that the portable high-voltage supply and the high-voltage bridge can be used to localize a fault with the high-voltage bridge in a circuit that uses pipe-type cable.
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