Features & Benefits

GE's 109D-14 steam turbine features and benefits include:

3-section advanced steam turbine architecture

  • Improved clearance and sealing control

  • High efficiency configuration

High Efficiency Advanced Technology (HEAT*) proven high performance steam-path

  • Builds on proven technology in axial flow steam turbines

  • Increases overall efficiency for higher output and lower back pressure

Drum rotor construction with blinglet nozzles compared to previous configurations

  • Advanced leakage management

  • Improved aerodynamics

  • Enhanced overall steam turbine performance

Integrated self-synchronizing clutch in front standard

  • Provides plant operational flexibility compared to previous configurations

Latest generation, proven 1,060mm and 850mm last stage buckets

  • Advanced bucket aerodynamics and dovetail configuration

Common LP architecture for cooling tower and air-cooled condenser applications

  • Single side exhaust LP

  • Common plant shaft line, regardless of plant cooling configuration

  • Enables standard plant arrangement for reduced overall foundation and plant construction costs compared to previous configurations

  • Facilitates more efficient balance of plant maintenance compared to previous configurations