Generator System Heat Protection

Learning objectives

  • Explain why a hydrogen cooling system is a preferred option for operating with AC power generators
  • List three properties of hydrogen which make it the efficient gas to use for industrial generator cooling purposes
  • Describe how a generator is purged of hydrogen gas using carbon dioxide gas
  • Identify hydrogen monitoring systems commonly found in power generation facilities
  • Discuss why a seal oil system is required for a hydrogen-cooled generator
  • Identify the parts of a stator cooling system commonly found in power generation facilities
  • Define the term “isolated-phase bus” and discuss steps to cool it

Course overview

Significant amounts of heat are created during AC power generation. If the generator becomes overheated, system failure occurs quickly. Hydrogen cooling systems are commonly employed for industrial AC power generators. Operators must understand why hydrogen gas is a preferred cooling method for large generators. They must also understand how the gas flows through the generator to remove heat and other standard operation activities which play a role in the generator cooling process.

The Generator System Heat Protection training course discusses industry standard heat reduction methods for AC industrial power generators, including hydrogen cooling systems and their associated equipment. This online training course covers:

  • Hydrogen cooling system
  • Moisture and hydrogen purity monitoring
  • Seal oil system
  • Stator cooling system
  • Isolated-phase bus cooling system

Generator System Heat Protection is part of the Industrial Motors training series.

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