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Siemens, SGT-600, 2011, 24.5 MW, 50 Hz, Gas Turbine Generator Set

Siemens, SGT-600, 2011, 24.5 MW, 50 Hz, Gas Turbine Generator Set Sold

Description

  1. Overview
    1. Used natural gas fired industrial gas turbine generator set, complete skid-mounted package.
    2. Siemens SGT-600 gas turbine generator set, 24.5 MW, natural gas, 50 Hz.
    3. Manufactured by Siemens Industrial Turbomachinery AB, Finspong, Sweden in 2011.
    4. Commissioned in 2012.
    5. High-efficiency system kept predominantly in warm standby state due to regional fuel economics.
    6. Ideal fast-track solution for industrial cogeneration, base-load electricity production, or regional peak-shaving applications.
  2. Operating History
    1. Number of starts: 52.
    2. Total operating hours: 374 hours.
    3. Equivalent operating hours (EOH): 553 hours.
    4. Reason for low utilisation: high natural gas prices and poor operating economics meant the unit was essentially kept in hot standby mode.
    5. Manufactured: 2011.
    6. Commissioned: 2012.
  3. Gas Turbine Rated Parameters
    1. Rated power output: 24,500 kW (32,855.0 hp).
    2. Pressure ratio: 14:1.
    3. Power generation efficiency (ISO): 34.2%.
    4. Heat consumption (heat rate): 10,535 kJ/kWh.
    5. Fuel gas intake pressure: 2,200-2,900 kPa (G).
    6. Exhaust flow rate: 80.4 kg/s.
    7. Exhaust temperature: 543 C.
    8. Exhaust back pressure: 2.5 kPa.
    9. Gas turbine speed: 7,700 rpm.
    10. Minimum steady-state load: 30% or less.
    11. NOx emission: 25 ppm or less at 15% O2, equivalent to 50 mg/Nm3.
    12. Combustion type: dry low emission (DLE).
    13. Fuel: natural gas.
  4. Generator Parameters
    1. Make and model: ABB AMS 1120 LC.
    2. Rated capacity: 29,250 kVA at 0.8 power factor.
    3. Rated voltage: 10.5 kV.
    4. Rated frequency: 50 Hz.
    5. Generator speed: 1,500 rpm.
    6. Power factor: 0.8 lagging.
    7. Cooling method: water cooling.
    8. Stator winding connection: Y.
    9. Excitation method: brushless excitation.
    10. Insulation class: F/H.
    11. Design service life: 30 years or more.
    12. Noise: 85 dB or less at one metre from the outer shell.
    13. Generator weight: 44.7 t.
  5. Package Data
    1. Core engine / generator speed: 7,700 rpm / 1,500 rpm.
    2. Net weight of the unit excluding generator: 14.7 t.
    3. Total weight of skid-mounted assembly, largest single module: 152 t.
    4. Specific weight: 6.5 kg/kW.
    5. Noise standard: 85 dB(A) or less.
    6. External dimensions of the acoustic hood (L x W x H): 20.7 m (67.9 ft) x 4.5 m (14.8 ft) x 5.3 m (17.4 ft).
    7. Lubricating oil grade: ISO VG46.
    8. Lubricating oil quantity: 9.9 m3 (349.6 cu ft).
    9. Maximum lubricating oil temperature: 80 C.
  6. Equipment List
    1. Gas turbine skid, 24.5 MW - 1 set.
    2. Base module: steel construction skid - 1 set.
    3. Gas turbine core engine: 10-stage compressor, 4-stage turbine, 18 DLE burners, annular combustion chamber with ignition bolt and flame monitoring, adjustable inlet guide vane, tilting pad thrust bearing, body fuel line, cooling and sealing air system, cylinder, chassis, body paint insulation - 1 set.
    4. Gear box: main reduction gears, couplings, monitoring instruments - 1 set.
    5. Lube oil system: main lubricating oil pump, auxiliary lubricating oil pump, accident lubricating oil pump, oil mist separation, lubricating oil filter, heater, cooler, temperature, liquid level and pressure monitoring instruments, oil tank, pipeline - 1 set.
    6. Start system: AC variable-speed starting motor and Sinclair Self-Synchronizing (SSS) clutch - 1 set.
    7. Gas fuel system: flow control valve, filter, quick cut-off valve, release valve, monitoring instrument - 1 set.
    8. Generator (ABB AMS 1120 LC): generator body, air water cooler, brushless excitation, temperature and vibration monitoring instruments - 1 set.
    9. Air intake system: rain cover, two-stage static filtration (G4+F9), inlet, silencer, expansion joint, platform aisle, monitoring instrument - 1 set.
    10. Enclosure and ventilation system: open-air noise reduction cover with lighting, ventilation fan, maintenance platform, baffle valve - 1 set.
    11. Exhaust system: body, insulation, expansion joint with insulation, monitoring instrument - 1 set.
    12. Fire fighting system: temperature sensing probes, infrared combustible gas detectors, CO2 fire extinguishing devices - 1 set.
    13. GT control system: control system, operator station, disk-mounted emergency jump-off button, distributed I/O disk - 1 set.
    14. Drawings: factory certificate, drawings, operation and maintenance manual - 1 set.
  7. Applications
    1. Industrial cogeneration and combined heat and power integration, given the exhaust flow and temperature.
    2. Base-load electricity production and continuous grid support.
    3. Regional peak-shaving.
    4. Independent power production.
    5. Fast-track capacity addition where factory-new lead times are unacceptable.