What do Electrical and Electronics Repairers, Powerhouse, Substation, and Relay do?
Inspect, test, repair, or maintain electrical equipment in generating stations, substations, and in-service relays.
- 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 in order 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; then perform adjustments or repairs.
- Prepare and maintain records detailing tests, repairs, and maintenance.
- Analyze test data in order to diagnose malfunctions, to determine performance characteristics of systems, and 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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