Hello, im graduate trainee and i have a question about Steam Turbine Vacuum system.

This is our vacuum interlocks
  • Jet Water Pump press : 5 - 6 bar
  • Vacuum Normal : (-0.86) - (-0.91) bar
  • Vacuum alarm water pump : <-0.75 bar
  • Turbin trip : -0.61 bar


What might make the vacuum system not work normally and cause a turbine trip?

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