WTT 216 - Power Generation/Transmission

1. Describe three phase electrical power
   1. Identify the advantages of three phase electrical power
   2. Define three phase Delta connections, voltages, currents and power
   3. Define three phase Wye connections, voltages, currents and power
2. Identify types of DC generation systems
   1. State the function of a DC generator
   2. Identify major components of a DC generator
   3. Describe the difference between separately excited and self excited generators
   4. Explain how the output voltage of a generator can be changed
3. Identify general types of alternators
   1. Identify the characteristics of alternators
   2. Explain the construction of an alternator rotor
   3. Explain the significance of damper windings as used in a three phase alternator
   4. Explain how alternator voltage will vary according to load
   5. Define armature reaction
   6. Define the types of losses associated with an alternator
4. Describe AC to DC conversion
   1. Describe methods of AC to DC conversion
   2. Describe methods of DC to AC conversion
   3. Discuss parameters of AC to DC components
5. Identify types of power transformers
   1. Review transformer construction
   2. Review the primary windings and secondary windings of a transformer
   3. Review the term “Turns Ratio” and how it applies to power transformers
   4. Explain safety practices used when working with or around power transformers
   5. Identify applications of transformers
   6. Explain how to perform a polarity test of a power transformer
   7. Identify transformer taps and tap changers
   8. Identify transformer connections
6. Define the purpose of a substation
   1. Identify components of a typical substation and their purpose
   2. Explain safe operation of high voltage components
   3. Identify proper protocol when switching high voltage components
   4. Explain power quality and correction techniques