Generator and Auxiliary Systems and Control Training

507-01 Generator and Auxiliary Systems’ Functions

When you complete this lesson, you will be able to describe the functions performed by the generator and its auxiliary components.

  • Define real power, reactive power, and the power factor
  • Identify the function of the rotor
  • Recall the importance of cooling particularly during load pickup
  • List advantages of hydrogen cooling and identify auxiliary systems associated with its use
  • Recognize the design and function of the rotor winding assembly
  • Identify the purpose of the shaft sealing systems

507-02 Generator and Auxiliary Systems’ Flow Paths and Major Components

When you complete this lesson, you will be able to identify the flow paths associated with the major components that support generator operation.

  • Describe the following seal oil system components and systems and identify their place in the flow path:
    • Hydrogen seal oil supply
    • Air side of the seal oil system
    • Defoaming/detraining tank
    • Seal oil return
    • Hydrogen supply system
  • Explain the process to purge hydrogen from the generator and identify the purpose of doing so

507-03 Generator Construction and Process Control

When you complete this lesson, you will be able to describe generator construction and explain some of the principles behind generator operation and process control.

  • Identify the difference between induction and synchronous types of three-phase generators
  • Recall the construction of a three-phase, two pole DC generator
  • Recall how a sinusoidal waveform illustrates the number of amps produced over a given time
  • Recall the operation of a synchroscope
  • Identify the parameters to be controlled when placing the generator on the electrical grid

507-04 Generator and Auxiliary Systems’ Start-up

When you complete this lesson, you will be able to describe the steps to start-up the generator and establish it on the electrical grid.

  • Explain how to place the hydrogen seal oil unit in service
  • Describe the purging and gassing of the turbine
  • Identify pre-start checks for generator start-up
  • Describe operator responsibilities during the process of rolling on the turbine

507-05 Generator and Auxiliary Systems’ Normal Operations

When you complete this lesson, you will be able to describe tasks performed during normal operations of the generator and auxiliary systems.

  • List checks conducted during normal operations of the generator
  • Describe the system and process that removes moisture from hydrogen
  • Explain operator responsibilities during normal operation of the seal oil system

507-06 Generator and Auxiliary Systems’ Shutdown

When you complete this lesson, you will be able to describe your role during shutdown of the generator and its auxiliary components.

  • Explain the steps followed when shutting down each of the following:
    • Generator
    • Seal oil system
    • Cooling water system
  • Identify the importance of putting the turbine on turning gear when it is taken off-line
  • Identify the conditions under which it is appropriate to shut down the cooling water system