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Nuovo Pignone, PGT10B-1, 2002, 11 MW Gas Turbine, 44.5 MW Condensing Turbo Generator Set

Description

  1. Overview
    1. Commissioned: November 2002
    2. Shutdown: 31st December 2013
    3. 70,000 service hours
    4. Life-time maintenance by OEM
    5. Overhaul of equipment August 2013
  2. Gas Turbine-Generator Set
    1. 11.7 MWe gas turbine-generator sets
    2. Gas turbine manufacturer: Nuovo Pignone
    3. Gas turbine model: PGT10B-1
    4. Type: Multi-shaft, heavy duty gas turbine
    5. Fuel: Natural gas
    6. Rating (ISO): 11,000 kWe
    7. Heat rate (ISO): 11,414 kJ/kWh
    8. Thermal efficiency: 32.5%
    9. Exhaust temperature: 487 °C
    10. Exhaust flow: 47 kg/s
    11. Speed: 11,000 rpm
    12. Burner: Dry low NOx emissions
    13. Control system: Suvimac II+
  3. Alternator
    1. Manufacturer: Ansaldo
    2. Apparent power: 13,569 kVA
    3. Active power: 11,000 kW
    4. Power factor: 0.8
    5. Rated speed: 1,500 rpm
    6. Voltage: 11,000 V ± 5%
    7. Current: 712 A
    8. Phases: 3
    9. Frequency: 50 Hz
  4. Heat Recovery Boilers
    1. Commissioned: November 2002
    2. Shutdown: 31st December 2013
    3. 70,000 service hours
    4. Life-time maintenance by OEM
    5. Overhaul of equipment August 2013
    6. 65.7 tph waste heat recovery boilers (with supplementary firing)
    7. Boiler manufacturer: Macchi
    8. Thermal rating: 55,330 kW
    9. Net thermal efficiency (COP): 90.32%
    10. Net thermal efficiency (COV): 92.48%
    11. Steam flow design (nominal): 65,700 kg/h
    12. Steam flow maximum continuous: 71,240 kg/h
    13. Steam flow minimum: 43,000 kg/h
    14. Steam pressure: 130 bar abs
    15. Steam temperature: 513 +/- 5 °C
    16. Fuel: Waste heat / siderurgic gas / natural gas
  5. Condensing Turbo-Generator Set
    1. 44.5 MW condensing turbo-generator set
    2. Steam turbine manufacturer: Nuovo Pignone
    3. Steam turbine model number: HNK 50/3.2
    4. Configuration: 1 impulse stage, 62 reaction stages
    5. Rated power: 44,500 kW
    6. Rated inlet flow: 131,400 kg/h
    7. Rated inlet pressure: 110 bara
    8. Rated inlet temperature: 510 °C
    9. 1st bleed (process): 20 bara / 315 °C
    10. 2nd bleed (deaerator): 0.9 bara / 135 °C
    11. 3rd bleed (pre-heater): 0.9 bara / 95 °C
    12. Exhaust pressure: 0.08 bara
    13. Rated speed: 3,000 rpm
  6. Generator
    1. Manufacturer: Jeumont Industrie
    2. Rated apparent power: 51,500 kVA
    3. Power factor: 0.8
    4. Active power: 41,200 kW
    5. Rated voltage: 11,000 V ± 5%
    6. Current: 2,703 A
    7. Phases: 3
    8. Rated speed: 3,000 rpm
    9. Frequency: 50 Hz
  7. Condenser
    1. Manufacturer: Caldemon
    2. Type: Surface condenser
    3. Number of phases: 2
    4. Cooling medium: Sea water
    5. Quantity: 2