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Siemens, SGT300-1S, 2021, Gas Turbine Generator Set, 7805 kW, Natural Gas, Dry Low Emissions, 10.5 kV, 50 Hz (New)

Siemens, SGT300-1S, 2021, Gas Turbine Generator Set, 7805 kW, Natural Gas, Dry Low Emissions, 10.5 kV, 50 Hz

Description

  1. Overview
    1. Siemens SGT300-1S gas turbine generator sets.
    2. Quantity: 5 sets available.
    3. Fuel: natural gas; combustion: DLE (dry low emissions).
    4. Manufactured: Dec. 2021 to Apr. 2022.
    5. Commissioned: Jun. 2022 to Nov. 2022.
    6. Current status: installed, brand new, 0 hours after commissioning.
  2. Main Data
    1. Power: 7805 kW.
    2. Efficiency: 30.11%.
    3. Heat rate: 11953 kJ/kWh.
    4. Exhaust gas flow: 30.02 kg/s.
    5. Exhaust temperature: 549.6 °C (1,021 °F).
    6. Speed: 14045 rpm.
    7. NOx emission (50% to 100% load): 30 mg/Nm3.
    8. Exhaust pressure: 50 mm.
    9. Generator: Xiangtan TFW8-4, 8000 kW, 10.5 kV, 50 Hz.
  3. Rated Parameters, ISO Conditions (15 °C, 1.013 bar, 60% RH)
    1. Rated power: 8084 kW (power generation output).
    2. Pressure ratio: 14/1.
    3. Power generation efficiency: 30.83%.
    4. Heat consumption: 11675 kJ/kWh.
    5. Gas intake pressure: 2100 to 2800 kPa(G).
    6. Exhaust mass flow: 30.21 kg/s.
    7. Exhaust temperature: 546.9 °C.
    8. Exhaust limit pressure: 3 kPa(G).
    9. Gas turbine speed: 14045 rpm.
    10. Minimum steady-state load: 30% or less.
    11. NOx emissions: 30 mg/Nm3 (15% oxygen).
    12. Weight: 59.4 t (gas turbine generator skid).
  4. Guaranteed Parameters At 16.1 °C Site Average
    1. Natural gas consumption: 2688 Nm3/h (based on a lower heating value of 34.86 MJ/m3).
    2. Natural gas inlet pressure: 2100 to 2800 kPa(G).
    3. Mechanical power output: 8108 kW.
    4. Electric power output: 7865 kWe.
    5. Gas turbine efficiency: 30.22%.
    6. Heat consumption: 11912 kJ/kWh.
    7. Exhaust flow: 30.03 kg/s.
    8. Exhaust temperature: 552.8 °C.
    9. Exhaust pressure: 104.14 kPa.
    10. Speed: 14045 rpm.
    11. NOx emissions: 30 mg/Nm3 (15% oxygen).
    12. Inlet air resistance loss: 50 mmH2O; exhaust back pressure: 250 mmH2O.
  5. Generator
    1. Model: TFW8-4 (Xiangtan Electric, XEMC).
    2. Rated power: 8 MW; rated voltage: 10.5 kV; rated frequency: 50 Hz; speed: 1500 rpm.
    3. Power factor: 0.8 (lagging); stator winding connection: Y.
    4. Cooling: air-water cooled (ICW 8 7); excitation: brushless.
    5. Short-circuit ratio: 0.534; insulation class F/B.
    6. Control cabinet: 1 per unit; service life 30 years or more.
    7. Noise: 85 dB or less at 1 meter from the outer casing; weight: 33.6 t.
  6. Lubrication Oil System
    1. Oil grade (winter and summer): VG46.
    2. Tank capacity: 4.537 m3; oil quantity: 5.041 m3.
    3. Maximum oil temperature: 74 °C.
  7. Emissions At 100% Load
    1. NOx (at 15% O2): 30 mg/Nm3.
    2. CO: 18 mg/Nm3; SOx: 35 mg/Nm3; particulate matter: 5 mg/Nm3.
  8. Summary Of Main Parameters
    1. Unit model: SGT-300; generator set rated power: 7865 kW.
    2. Rotational speed (core engine / generator): 14045 / 1500 rpm.
    3. Fuel gas intake pressure: 2200 to 2900 kPa.
    4. Exhaust temperature: 552.8 °C; exhaust back pressure: 2.5 kPa; flue gas flow: 30.03 kg/s.
    5. Fuel heat consumption: 11912 kJ/kWh.
    6. Power generation efficiency: 30.22% (site average annual conditions), 30.81% (ISO).
    7. Generator output: 10.5 kV, 50 Hz.
    8. Net weight of the unit (excluding generator): 25785 kg.
    9. Total weight of the skid-mounted assembly (maximum single unit): 59349 kg.
    10. Unit weight of the generator set: 7.55 kg/kW.
    11. Noise: 85 dB(A).
    12. External dimensions of the enclosure (L x W x H): 11.75 x 2.85 x 10.82 m.
  9. Scope Of Supply, Each Set
    1. Gas turbine skid: SGT-300-1S, 8 MW (Siemens Energy).
    2. Base module: carbon steel skid structure (Comelf).
    3. Gas turbine core engine: 10-stage compressor, 2-stage turbine, 6 DLE burners, annular combustion chamber with ignition plug and flame monitoring, adjustable inlet guide vanes, tilting pad thrust bearing, engine fuel lines, cooling and sealing air system, casing, base, engine paint and insulation (Siemens Energy).
    4. Gearbox: main reduction gear, auxiliary gear, coupling and monitoring instruments (Lufkin Gears).
    5. Lube oil system: main, auxiliary and emergency lube oil pumps, oil mist separator, lube oil filter, heater, cooler, temperature, level and pressure instruments, oil tank and piping (Siemens Energy).
    6. Start system: starting motor and hydraulic motor (Siemens Energy).
    7. Gas fuel system: flow control valve, filter, quick shut-off valve, vent valve and monitoring instruments (Siemens Energy).
    8. Generator: TFW8-4, 8 MW, with air-water cooler, brushless excitation, and temperature and vibration monitoring (XEMC).
    9. Air intake system: rain hood, water mist separator, two-stage static filtration (G4+F9), intake duct, silencer, expansion joint, platform walkway and instruments (CLET).
    10. Enclosure and ventilation system: outdoor acoustic enclosure with lighting, ventilation fans, maintenance platform and dampers (CLET).
    11. Exhaust system: exhaust body, insulation, insulated expansion joint and instruments (CLET).
    12. Fire fighting system: temperature probes, flame detectors, infrared combustible gas detectors, CO2 cylinders, nozzles, local cylinder room and connecting piping (Minimax).
    13. Compressor washing unit (mobile water-wash cart) with water tank, diaphragm pump, low-pressure water hose and pressure gauge: 2 sets for the group (HTC).
    14. GT control system: Siemens PCS7 control system, HMI operator station, panel-mounted emergency trip push button and distributed I/O panels (Siemens Energy).
    15. Generator control and protection system: PT cabinet, generator protection, synchronizing and excitation regulation panels (XJ Group).
    16. Motor control center (MCC): low-voltage AC switchboard (HTC).
    17. 10 kV grid connection cabinet: generator outlet circuit breaker cabinet (HTC).
    18. Battery system: 24 V DC switchboard with charger (HTC).
    19. Installation and commissioning spare parts (Siemens Energy and HTC).
    20. Special tools for installation, commissioning and maintenance: 1 set for the group (Siemens Energy and HTC).
    21. Three years of spare parts (Siemens Energy and HTC).
    22. Documentation: factory certificates, drawings, and operation and maintenance manuals (Siemens Energy and HTC).