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GT8C2 Gas Turbine - Features

Compact. Proven. Efficient. And it keeps on running.

The Alstom GT8C2 is a combination of proven and further improved design features.

> Rotor

  • Solid welded rotor without need for scheduled maintenance
  • No risk of misalignement
  • Robust and reliable

> Combustor

  • Minimised cooling air consumption for optimum lean pre-mix burning of natural gas
  • Removable  burners
  • Ease of maintenance

> Compressor

  • High surge margin for exceptional operational flexibility such as low frequency operation
  • Competitive combined cycle part-load efficiency

> Turbine

  • Three stage high efficiency turbine
  • Minimised blade losses based on 3D flow calculations

> Casing and Bearings

  • Easy to open and close for major inspections
  • Access to the bearings without opening the GT casing

> Axial Exhaust System

  • Easy installation and straight connection to heat recovery steam generator or stack
  • Manhole for easy inspection up to and including the last turbine blade row
  • Good flow distribution and minimal duct losses

> Static Starting Device

  • Generator used as starting motor
  • Only six minutes from standstill to synchronisation
  • Choice between fast and normal load
  • Self-protecting system for highest possible reliability
  • Self-diagnosis

Images


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3D view of Alstom GT8C2 gas turbine
© Alstom

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