Siemens Gas Turbine

Gas turbine
Design data of model SGT5-4000F Frequency 50 Hz
Type of gas turbine (heavy duty, single casing, axial flow design)

Turbine comprising :

• Compressor :
  
  • 15 Stages
  • One variable-pitch inlet guide vane rows
  • Extraction ports behind− stationary blade 5− stationary blade 9
  • Compressor pressure ratio approx. 17

• Ring combustor :
  
  • One Combustion Chamber
  • 24 burners
  • One ignition devices per burner

• Turbine : 4 Stages
• Bearings : 2 Bearings (journal @ turbine end, thrust + journal @ compressor end)
• Turning gear : Type hydraulic motor, speed 100 rpm
• Mechanical control and protection system
• Gas turbine instrumentation and actuation

Gas turbine systems :

• Gaseous fuel package
  
  • One emergency stop valves
  • Two control valves (pilot + premix)

• Lubrication oil system with lube oil tank
  
  • Lube tank Capacity approx. 16,5 m³ (Capacity of oil system approx. 15 m³)
  • Oil retention time approx. 8 min
  • Two oil mist extraction fans
  • Two Main oil pump type centrifugal 100 % capacity of one pump, drive AC motor
  • One emergency oil pump, type centrifugal, drive DC motor
  • One jacking oil pump, type vane pump, drive AC motor
  • One main oil filter, type duplex, capacity 2x100 %, filter mesh absolute 0.020 mm
  • One jacking oil filter, type cartridge, capacity 100 %, filter mesh absolute 0.020 mm
  • 2 x 100% plate type heat exchanger.

• Hydraulic clearance optimization (HCO) package
• Hydraulic oil package for control system

Equipment for gas turbine :

• Fuel gas flow metering for performance test only
• Advanced compressor cleaning system (ACCS)
• Set of tools for initial assembly and inspection
• Set of major inspection tools and a set of standard tools