What does an Electrical and Electronic Repairer, Powerhouse, Substation, and Relay do?

Inspect, test, repair, or maintain electrical equipment in generating stations, substations, and in-service relays.

Jobs Roles

  • Construct, test, maintain, and repair substation relay and control systems.
  • Inspect and test equipment and circuits to identify malfunctions or defects, using wiring diagrams and testing devices such as ohmmeters, voltmeters, or ammeters.
  • Consult manuals, schematics, wiring diagrams, and engineering personnel to troubleshoot and solve equipment problems and to determine optimum equipment functioning.
  • Notify facility personnel of equipment shutdowns.
  • Open and close switches to isolate defective relays, performing adjustments or repairs.
  • Prepare and maintain records detailing tests, repairs, and maintenance.
  • Analyze test data to diagnose malfunctions, to determine performance characteristics of systems, or to evaluate effects of system modifications.
  • Test insulators and bushings of equipment by inducing voltage across insulation, testing current, and calculating insulation loss.
  • Repair, replace, and clean equipment and components such as circuit breakers, brushes, and commutators.
  • Disconnect voltage regulators, bolts, and screws, and connect replacement regulators to high-voltage lines.
  • Schedule and supervise the construction and testing of special devices and the implementation of unique monitoring or control systems.
  • Run signal quality and connectivity tests for individual cables, and record results.
  • Schedule and supervise splicing or termination of cables in color-code order.
  • Test oil in circuit breakers and transformers for dielectric strength, refilling oil periodically.
  • Maintain inventories of spare parts for all equipment, requisitioning parts as necessary.
  • Set forms and pour concrete footings for installation of heavy equipment.
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