WORK PROCESS SCHEDULE
ELECTRICIAN, POWERHOUSE
0*NET/SOC CODE: 49-2095.00 RAPIDS CODE: 0163
DESCRIPTION: Repairs and maintains electrical equipment in generating station or powerhouse: Tests defective equipment to determine cause of malfunction or failure, using voltmeters, ammeters, and related electrical testing apparatus. Notifies plant personnel of necessary equipment downtime requiring changes from normal generating and transmission equipment operation to maintain uninterrupted service. Repairs and replaces equipment, such as relays, switches, supervisory controls, and indicating and recording instruments. Tests and repairs switchboard and equipment circuitry, interpreting wiring diagrams to trace and connect numerous wires carrying current for independent functions. Cleans and repairs brushes, commutators, windings, and bearings of generators, motors, and converters. May test and maintain transmission equipment, performing such duties as oiling circuit breakers and transformers.
ON-THE-JOB TRAINING:
FIRST YEAR
A. Orientation
1. Learn physical location of electrical equipment
2. Familiar with power plant terminology
3. Knowledge of company organization
4. Familiar with symbols and switching diagrams
B. Maintenance of Electrical Equipment, Including Oil Circuit Breakers, Lighting Equipment, Starters, etc.
1. Knowledge of routine maintenance required, such as oil changes, cleaning and inspection
2. Learn proper oils land greases to be used for specific piece of equipment
3. Know how to remove electrical equipment from service and obtain clearances before switching
4. Proper care of storage batteries
5. Knowledge of simple lighting circuits and methods of repairing lighting and fixtures
C. Checks and Maintains Safety Equipment
1. Familiar with various types of fire extinguishers and methods of refilling
2. Knowledge of first aid and safety methods
3. Proper use of rubber gloves and blankets
4. Have knowledge of all types of fuses and fuse cartridges in use
5. Understand methods of fighting electrical fires
D. Performs Shop and Plant Duties, as Required
1. Care and use of hand tools
2. Knowledge of soldering, brazing, and elementary welding, gas
and electric types
3. Care and use of power tools (lathe, drill press, etc.)
4. Understand use of insulation materials, and knowledge of
checking insulation by use of megger
5. Obtain use and interpretation of a “growler.”
E. Maintains Records, as Required
1. Knowledge of purpose of records
2. Basic accounting for proper distribution of materials
SECOND, THIRD, AND FOURTH YEARS
A. Install Conduit and Wiring for any Electrical Equipment
1. Method of installing conduit
2. Knowledge and proper use of condulets
3. Familiar with the use of proper cable and wire as pertains to size and insulation
4. Method of handling wire in conduit
5. Knowledge of conduit sizes and permissible circuits in any size
B. Install and Connect Transformers
1. Methods of installing and connecting transformers
2. Knowledge of connections and circuits of current, potential, and
power transformers
3. Theory and safety precautions to be observed
4. Phasing between banks
5. Checking voltages of various connections
C. Installation and Maintenance of Regulators
1. Theory of induction and voltage regulators
2. Method of Control
3. Routine care, methods of installation, and maintenance
D. Installation and Maintenance of Rotating Machinery
1. Theory, care, and installation methods of A.C. and D.C. generators and motors, (includes single-phase, polyphase, synchronous and induction constant and variable speed for A.C. and series, shunt, and compound wound D.C. machines)
2. Routine care
3. Methods of checking motor loads
4. Adjustments and repairs of starters
5. Method of checking motor clearance and motor bearings
6. How to reconnect for different voltages and speeds
7. How to care for commutators
8. How to locate and cut out defective motor coils, A.C. and D.C.
E. Installs Meters, Relays, and Controls
1. Basic theory of watt-hour, meter, voltmeter, ammeter, and watt-meter
2. Analysis of control diagrams
3. Knowledge of relays and remote controls
4. Adjustments of elevator controls
5. Knowledge of proper uses of voltmeters and ammeters
6. Understanding of interlocking controls
7. Knowledge of operation of industrial instruments such as temperature recorders, remote flow meters, etc.
8. Determine location of grounds and short circuits and apply emergency correction
9. When to use “stay put” or other types of push buttons, as well as no- voltage releases, etc., for continuity of service
F. Performs General Plant Construction
1. Must have working knowledge of plant power distribution
2. Knowledge of wiring diagrams
3. Blueprint reading
4. Elementary knowledge of electronics and industrial use thereof
5. Methods of layout out general plant construction work
6. How to plan and choose switch capacities, circuit capacities, controls, and plant installations
