Generator sealing systems

Generator seal oil system

Seal oil systems for hydrogen cooled generators.

System functions:

  • supplying the generator shaft with seal oil with hydrogen pressured,
  • permanent monitoring and differential pressure regulation of hydrogen and oil,
  • oil seal maintenance
    • air and hydrogen separation,
    • oil filtration,
    • temperature regulation,
  • removing oil vapors and hydrogen from the hall.

Variety of types (three-piece and one-piece cover and sizes, up to the biggest generators with power rating to 1750 MW.

Generator seal oil system – examples: